Answers
The area of the triangle is 5/2 x sqrt(7) square units, or approximately 6.99 square units.
We need to know the triangle's base and height lengths in order to calculate its area.
Let's give the triangle's vertices the following names:
A is the bottom-left vertex.
B is the vertex at the bottom right.
C is the top vertex.
We can infer from the facts provided that the triangle's base measures AB, or 5 units.
We must draw a perpendicular line from the triangle's vertex C to its base AB in order to get the triangle's height. Let's give the intersection of the perpendicular line and the base the letter D.
Right triangle ACD with CD as the triangle's height now exists. The Pythagorean theorem can be used to determine CD's length:
[tex]AD^2 + CD^2 = AC^2[/tex]
We can determine that AC is 4 units and AD is 3 units based on the facts provided.
When we plug these figures into the formula, we get:
[tex]4^2 = 3^2 + CD^2[/tex]
Simplifying:
16 = 9 + [tex]CD^2[/tex]
[tex]CD^2[/tex] = 7
CD = √7
The triangle's height is therefore √7 units.
The area formula for triangles can now be used:
Area equals ([tex]\frac{1}{2}[/tex]) x base x height.
Adding the values we discovered:
Area equals ([tex]\frac{1}{2}[/tex]) x 5 sq (7)
Area = [tex]\frac{5}{2}[/tex] x sqrt (7)
Hence, the triangle has a surface area of [tex]\frac{5}{2}[/tex] x √7 square units, or roughly 6.99 square units.
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Related Questions
please help me with question one it should not be to long as you see the space provided thanks
Answers
Answer:
1. Draw a coordinate plane with a circle on it somewhere
2. B. and C.
Step-by-step explanation:
1. What is a function?A function is a set of points that has a specific input (x-value) and a specific output (y-value). Let's take the example of y = 2x. Let's start by plugging in 1 for x. 1 will be our input value, and 2• 1 = 2 will be our y-value because the x-value was changed to get to our output, the y-value.
In a function, it is possible to have the same y-value for different x-values; take the example of y = x^2. X can have 2 values, but because it is squared, it will give the same y-value. However, a function that has the same x-values for one y-value is not a function. For example, take a circle, with the equation x^2 + y^2 = 0. This is not a function, because, for 2 y-values, it will equal the same x-value. For your answer, you can draw a coordinate plane with a circle on it. IMPORTANT: 2 x-values cannot equal one y-values in a function.
2. What is a linear function?
A linear function is a function that has an x and y-value, as well as sometimes a coefficient to either variable and a constant. For example, the equation y = 5x +4 is a linear function because there is one y and one x-value, a coefficient (even though it is not necessary), and a constant (even though it is not necessary). It doesn't matter where the coefficients are, but there has to be one y-value and one x-value. Since there can be only one x and y, equations like y = x^2 does not work, because there are 2 x's (in the x^2). Using this information, we can figure out the correct solutions:
A. doesn't work, because there are 3 y-values.
B. works because there is one x and y, and a coefficient (although it isn't necessary)
C. works because like b, it has only one x and y, a coefficient (although it isn't necessary)
D. doesn't work because there is only one y-value and no x-value.
If you liked this answer, please brainliest!
PLS HELP , in need to solve by using substitution and with checks
Answers
Answer:
(0, 2)Step-by-step explanation:
[tex]\tt y=x+2\\3x+3y=6[/tex]
Substitute y= y=x+2 into 3x+3y=6
[tex]\tt 3x+3(x+2)=6[/tex][tex]\tt 6x+6=6[/tex]Solve for x :-
[tex]\tt 6x+6=6[/tex]Cancel 6 from both sides:-
[tex]\tt 6x=0[/tex]Divide both sides by 6:-
[tex]\tt \cfrac{6x}{6} =\cfrac{0}{6}[/tex][tex]\boxed{\bf x=0}[/tex]Now, Let's solve for y:-
Substitute x = 0 into y=x+2
[tex]\tt y=0+2[/tex][tex]\boxed{\bf y=2}[/tex]Therefore, x = 0 and y = 2.
_________________
Check:-
To check a system of equations by substitution, we plug the values for x and y into the equations, If both simplified are true then your answer is correct.
Equation 1 :-
y = x + 2
(2) = 0 + (2)2=2 ✓Equation 2 :-
3x+3y=6
3(0)+3(2)=60+6=66=6 ✓__________________________
Hope this helps!
The weights of ice cream cartons are normally distributed with a mean weight of 7 ounces and a standard deviation of 0.6 ounces. A sample of 25 cartons is randomly selected. What is the probability that their mean weight is greater than 7.19 ounces?
Answers
The probability that the mean weight of the sample of 25 cartons is greater than 7.19 ounces is given as follows:
0.0571 = 5.71%.
How to obtain probabilities using the normal distribution?The z-score of a measure X of a variable that has mean symbolized by [tex]\mu[/tex] and standard deviation symbolized by [tex]\sigma[/tex] is obtained by the rule presented as follows:
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
The z-score represents how many standard deviations the measure X is above or below the mean of the distribution, depending if the obtained z-score is positive or negative.Using the z-score table, the p-value associated with the calculated z-score is found, and it represents the percentile of the measure X in the distribution.By the Central Limit Theorem, the sampling distribution of sample means of size n has standard deviation [tex]s = \frac{\sigma}{\sqrt{n}}[/tex].The parameters for this problem are given as follows:
[tex]\mu = 7, \sigma = 0.6, n = 25, s = \frac{0.6}{\sqrt{25}} = 0.12[/tex]
The probability that the mean weight is greater than 7.19 ounces is one subtracted by the p-value of Z when X = 7.19, considering the standard error s, hence:
Z = (7.19 - 7)/0.12
Z = 1.58
Z = 1.58 has a p-value of 0.9429.
Hence:
1 - 0.9429 = 0.0571 = 5.71%.
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I will mark you brainiest!
Given the diagram above, m∠Z is:
A) 180°
B) 120°
C) 60°
D) 30°
Answers
Answer:
B. 120o
Step-by-step explanation:
A parallelogram is a flat 2d shape which has four angles. The opposite interior angles are equal. The angles on the same side of the transversal are supplementary, that means they add up to 180 degrees. Hence, the sum of the interior angles of a parallelogram is 360 degrees.
t + 2t = 180
3t = 180
t = 180/3 = 60
m∠Z = 2t = 2(60) = 120
Xochitl spots an airplane on radar that is currently approaching in a straight line, and that will fly directly overhead. The plane maintains a constant altitude of 7425 feet. Xochitl initially measures an angle of elevation of 19° to the plane at point A. At some later time, she measures an angle of elevation of 37° to the plane at point B.
Find the distance the plane traveled from point A to point B. Round your answer to the nearest foot if necessary.
Answers
Answer:
d1 - d2 ≈ 9917.4 feet ≈ 3021 meters
Step-by-step explanation:
tan(19°) = 7425/d1
tan(37°) = 7425/d2
Solving for d1 and d2, we get:
d1 = 7425/tan(19°) ≈ 22977.6 feet
d2 = 7425/tan(37°) ≈ 13060.2 feet
Therefore, the distance the plane traveled from point A to point B is:
d1 - d2 ≈ 9917.4 feet ≈ 3021 meters
URGENT ! 100 POINTS
It's the age of Vikings! You are an archer on a boat approaching the London bridge in England with troops ready to ambush and secure London, England. Your leader yells
to ready your aim to fire as the boat rushes at full speed towards your enemies ahead!
Steadily, you line up the shot and the arrow is launched from your bow into the air with an upward velocity of 60ft/sec. The equation that gives the height (h) of the arrow at any time (t), in seconds, is modeled by:
h(t) = − 16t²+60t + 9.5
How long will it take the arrow to reach the enemy on the bridge and nail him with a
perfect headshot?
(The enemies head is about 45 feet from ground level as he is located on top of the London bridge)
Answers
To find out how long it will take for the arrow to hit the enemy on the bridge, we need to find the time when the height of the arrow is 45 feet (the height of the enemy's head above the ground).
So, we can set h(t) equal to 45 and solve for t:
h(t) = − 16t²+60t + 9.5
45 = −16t² + 60t + 9.5
Rearranging the equation, we get:
16t² - 60t - 35.5 = 0
To solve for t, we can use the quadratic formula:
t = (-b ± sqrt(b² - 4ac)) / 2a
where a = 16, b = -60, and c = -35.5
Plugging in the values, we get:
t = (-(-60) ± sqrt((-60)² - 4(16)(-35.5))) / 2(16)
Simplifying the expression inside the square root, we get:
t = (60 ± sqrt(3600 + 2272)) / 32
t = (60 ± sqrt(5872)) / 32
t ≈ 0.81 or t ≈ 3.69
Since we're looking for the time when the arrow hits the enemy, we need to choose the positive solution: t ≈ 3.69 seconds.
Therefore, it will take approximately 3.69 seconds for the arrow to hit the enemy on the bridge with a perfect headshot.
This shows a function. F(x)=4x^3+8 which statement describes f(X)? A. The function does not have an inverse function because F(x) fails the vertical line test. B. The function does not have an inverse function because f(x) fails the horizontal line test. C. The function has an inverse function because f(x) passes the vertical line test. D. The function has an inverse function because f(x) passes the horizontal line test
Answers
Answer:
Step-by-step explanation:
The statement that describes the function f(x) = 4x^3 + 8 is:
A. The function does not have an inverse function because f(x) fails the vertical line test.
To see why this is the correct answer, let's first define what the vertical line test and the horizontal line test are.
Vertical line test: A function passes the vertical line test if any vertical line intersects the graph of the function at most once. This means that no two points on the graph have the same x-coordinate.
Horizontal line test: A function passes the horizontal line test if any horizontal line intersects the graph of the function at most once. This means that no two points on the graph have the same y-coordinate.
Now, let's look at the function f(x) = 4x^3 + 8. We can graph this function by plotting points or by using a graphing calculator. The graph of the function looks like a curve that goes up and to the right.
If we draw a vertical line anywhere on the graph, we can see that it intersects the graph at most once, which means that f(x) passes the vertical line test. However, if we draw a horizontal line on the graph, we can see that it intersects the graph at more than one point. This means that f(x) fails the horizontal line test.
The fact that f(x) fails the horizontal line test tells us that there are some values of y that correspond to more than one value of x. This means that f(x) is not a one-to-one function, and therefore it does not have an inverse function.
Therefore, the correct statement that describes the function f(x) is:
A. The function does not have an inverse function because f(x) fails the vertical line test.
The gas/oil ratio for a certain chainsaw is 50 to 1 .
a. How much oil (in gallons) should be mixed with 12 gallons of gasoline?
b. If 1 gallon equals 128 fluid ounces, write the answer to part a in fluid ounces.
Answers
0.24 gallons of oil should be mixed with 12 gallons of gasoline.
Therefore, 30.72 fluid ounces of oil should be mixed with 12 gallons of gasoline.
Step-by-step explanation:
a. To calculate the amount of oil needed, we need to know the ratio of gas to oil in terms of units. Since 50 parts of gas are mixed with 1 part of oil, we have:
1 gallon of gas / 50 = x gallons of oil
To find x, we substitute the given value of gas (12 gallons) and solve for x:
1 gallon of gas / 50 = x gallons of oil
12 gallons of gas / 50 = x
0.24 gallons of oil = x
Therefore, 0.24 gallons of oil should be mixed with 12 gallons of gasoline.
b. To convert gallons to fluid ounces, we multiply by 128:
0.24 gallons of oil * 128 fluid ounces/gallon = 30.72 fluid ounces of oil
Therefore, 30.72 fluid ounces of oil should be mixed with 12 gallons of gasoline.
solve (x-3)^2(2x+5)(x-1)>= 0
Answers
First, we can find the critical values of x by setting each factor equal to zero and solving for x:
(x-3)^2 = 0 => x = 3 (double root)
2x+5 = 0 => x = -5/2
x-1 = 0 => x = 1
These critical values divide the number line into four intervals: (-infinity, -5/2), (-5/2, 1), (1, 3), and (3, infinity).
We can now test each interval to see if it satisfies the inequality. We can use a sign chart or test points within each interval to do this.
For example, in the interval (-infinity, -5/2), we can choose a test point such as x=-3 and evaluate the expression:
(x-3)^2(2x+5)(x-1) = (-6)^2(-1)(-4) = 144
Since this expression is positive, we know that this interval does not satisfy the inequality.
Using similar reasoning, we can test the other intervals and find that the solutions to the inequality are:
x <= -5/2 or 1 <= x <= 3
Therefore, the solution to the inequality is:
x ∈ (-infinity, -5/2] U [1, 3]
Answer:
x= infinite or -5/2 or 1, + infinite
Step-by-step explanation:
please help me out with this question! i appreciate it :))
Answers
Answer:
144,000
Step-by-step explanation:
you multiply 18,000 by 8 since its after one year and you get 144,000.
Find the equation of the line that passes through the given point and has the given slope. (Use x as your variable.) (-9,- 9 ) , m = 0
Answers
The linear equation that passes through (-9, -9) and has the slope m = 0 is:
y = -9
How to find the equation of the line?A general linear equation can be written in slope-intercept form as.
y = m*x + b
Where m is the slope and b is the y-intercept.
Here we want to find the equation of a line that passes through (-9, -9) and that has the slope m = 0.
Repplacing the slope we will get:
y = 0*x + b
And no we want it to pass throug (-9, -9), replacing these values we will get:
-9 = 0*-9 + b
-9 = b
Then the linear equation is:
y = -9
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what is the value of the expression (-5)-³
Answers
Answer:
[tex]\frac{1}{-125}[/tex]
x = -125
Step-by-step explanation:
It shows the steps in the pic you attached so I didn't add those steps.
(-5)(-5)(-5) = -125
Weight on Earth (pounds) a. If a person weighs 12 pounds on the Moon, how much does the person weigh on Earth? Explain your answer. b. If a person weighs 126 pounds on Earth, how much does the person weight on the Moon? Explain your answer.
Answers
Answer: I gave you two answers if you can try them both :)
Step-by-step explanation:
If his weight on Earth is 126lb and only 21lb on moon, you can divide to see what is the ratio of those weights.
It means that your weight on moon will be 6 times less than on Earth.
Now we have to multiply 31lb which is weight of the person on moon by 6 to get his weight on Earth
On moon our mass becomes 1/6 of actual mass so if you weigh 60 kg then your mass on moon will be 10 kg..
Similarly if your mass on moon is 31 lbs then your mass on earth will be 31*6=186 lbs.
find thenonpermissible replacment for x in this expression 1/-8x
Answers
If any number is divided by zero. the result is indeterminate.
Therefore, zero is the non-permissible replacement for x.
What is the slope between the points (3,1) and (-2, 1)? show your solution.
Answers
Answer:
The slope of a line passing through two points (x1, y1) and (x2, y2) is given by the formula:
slope = (y2 - y1) / (x2 - x1)
n this case, we have the points (3, 1) and (-2, 1), so we can plug in the values:
slope = (1 - 1) / (-2 - 3)
slope = 0 / -5
slope = 0
Therefore, the slope between the points (3, 1) and (-2, 1) is 0. This means that the line passing through these points is a horizontal line, since the y-coordinate of both points is the same and the slope is 0 (i.e., there is no change in the y-coordinate as we move along the line).
In ΔLMN, l = 150 inches, n = 890 inches and ∠N=61°. Find all possible values of ∠L, to the nearest 10th of a degree.
Answers
The possible values of ∠L are 118.9 degrees (rounded to 10th of a degree).
What is a triangle?A polygon with three sides and three angles is a triangle. It is one of the simplest geometric shapes.
To find the measure of angle L in ΔLMN, we can use the fact that the sum of the angles in a triangle is 180 degrees:
∠L + ∠M + ∠N = 180
We know that ∠N = 61 degrees, so we can substitute that value in and simplify:
∠L + ∠M + 61 = 180
∠L + ∠M = 119
We also know that the length of LM is 150 inches and the length of LN is 890 inches. We can use the Law of Cosines to find the measure of angle M:
cos M = (150² + 890² - LM²) / (2 × 150 × 890)
cos M = 0.999989 (rounded to 6 decimal places)
M = cos⁻¹(0.999989)
M ≈ 0.00114 radians
M ≈ 0.0655 degrees (rounded to 10th of a degree)
Now we can substitute the value of M into the equation we derived earlier and solve for angle L:
∠L + 0.0655 + 61 = 180
∠L = 118.9345
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10 1/3 is how much more than 7 8/9?
Answers
Answer:2 4/9
Step-by-step explanation:
A his herd of cows among his 4 sons he gave one son half the herd a second son one fourth of the herd a third son one fith of the herd and the fourth son 48 cows how many cows were in the herd originally
Answers
Answer:
Let the total number of cows in the herd be represented by "x". Then, according to the problem:
The first son received half the herd, or (1/2)x cows.
The second son received one fourth of the herd, or (1/4)x cows.
The third son received one fifth of the herd, or (1/5)x cows.
The fourth son received 48 cows.
We can write an equation to represent the total number of cows in the herd:
(1/2)x + (1/4)x + (1/5)x + 48 = x
To solve for "x", we can start by simplifying the fractions:
5/10x + 2/10x + 2/10x + 48 = x
Combining like terms, we get:
9/10x + 48 = x
Subtracting 9/10x from both sides, we get:
48 = 1/10x
Multiplying both sides by 10, we get:
x = 480
Therefore, the original herd had 480 cows.
Question
K
31
L
119°
N
45
M
MN =
KN =
m/K=
m/L=
m/M =
Answers
The measure of length MN is 31.
The measure of length KN is 45.
The measure of m∠K is 61⁰.
The measure of m∠L is 119⁰.
What is a parallelogram?A parallelogram is a four-sided plane figure in which opposite sides are parallel and congruent (having the same length) and opposite angles are congruent (having the same measure). In other words, a parallelogram is a quadrilateral with two pairs of parallel sides.
The properties of a parallelogram include:
Opposite sides are parallel and congruentOpposite angles are congruentConsecutive angles are supplementary (their measures add up to 180 degrees)Diagonals bisect each other (they intersect at their midpoint)So the length MN = Length KL = 31
Length KN = Length LM = 45
Angle K = angle M = ( 180 - 119) = 61⁰
Angle L = angle N = 119⁰
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if 2^x=x^2 , find x.
Answers
Answer:
x = 2 or x = 4
Step-by-step explanation:
The equation:
[tex]2^{x} = x^{2}[/tex]Has two solutions:
x = 2 or x = 4.The values of x can be found by graphing the two functions ([tex]y = 2^{x}[/tex] and [tex]y = x^{2}[/tex]) and finding their points of intersection, or you can use numerical methods to solve the equation.
To check our work, we can simply insert 2 and 4 in as y.
For 2:
[tex]2^{2} = 2^{2}[/tex]You can see that it is the same.
For 4:
[tex]2^{4} = 4^{2}[/tex](2 × 2 × 2 × 2) = (4 × 4)16 = 16They are also the same.
Therefore, x can equal either 2 or 4.
multiply. round your answer to the nearest hundredeth: 2.56x0.03=
Answers
0.08 rounded for the nearest hundredth
Find the value of x. Round your answer to the nearest tenth.
Answers
Answer:
19.4
Step-by-step explanation:
cosФ=adjacent ÷hypotenuse
cos72° =6/x
0.309016994=6/x
∴x=6/0.31
=19.35
=19.4
if 24 x 18 and x 1 are in proportion find the value of x
Answers
Answer:
x = 432.
Step-by-step explanation:
We know that 24 x 18 and x x 1 are in proportion, which can be written as:
(24 x 18) / (x x 1) = k, where k is a constant of proportionality.
Simplifying the left-hand side, we get:
24 x 18 = 432
x x 1 = x
Substituting these values, we get:
432 / x = k
To solve for x, we need to find the value of k. We can do this by using the fact that the two ratios are in proportion. That is:
24 x 18 : x x 1 = 432 : k
Simplifying the left-hand side, we get:
(24 x 18) / x = 432 / k
Multiplying both sides by x and k, we get:
24 x 18 k = 432 x
Dividing both sides by 24 x, we get:
18 k / 1 = 18
Solving for k, we get:
k = 1
Substituting k = 1 into the equation 432 / x = k, we get:
432 / x = 1
Multiplying both sides by x, we get:
432 = x
Therefore, x = 432.
Calculate the volume of sand needed to fill the long jump pit to a depth of 0,07m
Answers
Answer:
Step-by-step explanation:
To calculate the volume of sand needed to fill the long jump pit to a depth of 0.07 meters, we need to know the length and width of the pit.
Assuming that the long jump pit is a rectangular prism, we can use the formula:
Volume = length x width x depth
Let's say the length of the pit is 8 meters and the width is 3 meters. Then the volume of sand needed to fill the pit to a depth of 0.07 meters would be:
Volume = 8m x 3m x 0.07m
Volume = 1.68 cubic meters
Therefore, we would need 1.68 cubic meters of sand to fill the long jump pit to a depth of 0.07 meters.
Prove the first associative law from Table 1 by show-
ing that if A, B, and C are sets, then A ∪ (B ∪ C) =
(A ∪ B) ∪ C.
Answers
Answer:
Step-by-step explanation:
o prove the first associative law of set theory, we need to show that for any sets A, B, and C:
A ∪ (B ∪ C) = (A ∪ B) ∪ C
To do this, we need to show that any element that is in the left-hand side of the equation is also in the right-hand side, and vice versa.
First, let's consider an arbitrary element x.
If x ∈ A ∪ (B ∪ C), then x must be in A, or in B, or in C (or in two or more of these sets).
If x ∈ A, then x ∈ A ∪ B, and so x ∈ (A ∪ B) ∪ C.
If x ∈ B, then x ∈ B ∪ C, and so x ∈ A ∪ (B ∪ C), which means that x ∈ (A ∪ B) ∪ C.
If x ∈ C, then x ∈ B ∪ C, and so x ∈ A ∪ (B ∪ C), which means that x ∈ (A ∪ B) ∪ C.
Therefore, we have shown that if x ∈ A ∪ (B ∪ C), then x ∈ (A ∪ B) ∪ C.
Next, let's consider an arbitrary element y.
If y ∈ (A ∪ B) ∪ C, then y must be in A, or in B, or in C (or in two or more of these sets).
If y ∈ A, then y ∈ A ∪ (B ∪ C), and so y ∈ (A ∪ B) ∪ C.
If y ∈ B, then y ∈ A ∪ B, and so y ∈ A ∪ (B ∪ C), which means that y ∈ (A ∪ B) ∪ C.
If y ∈ C, then y ∈ (A ∪ B) ∪ C.
Therefore, we have shown that if y ∈ (A ∪ B) ∪ C, then y ∈ A ∪ (B ∪ C).
Since we have shown that any element that is in the left-hand side of the equation is also in the right-hand side, and vice versa, we can conclude that:
A ∪ (B ∪ C) = (A ∪ B) ∪ C
This proves the first associative law of set theory.
(Stock Level). A.S. Ltd. produces a product 'RED' using two components X and Y. Each unit of 'RED' requires 0.4 kg. of X and 0.6 kg. of Y. Weekly production varies from 350 units to 450 units averaging 400 units. Delivery period for both the components is 1 to 3 weeks. The economic is 600 kgs. and for Y is 1,000 kgs. Calculate: (1) Re-order level of X; (ii) Maximum level of X; (iii) Maximum level of Y.
Answers
Answer:
Step-by-step explanation:
To calculate the reorder level of component X, we need to find out the average weekly consumption of X.
Average consumption of X per unit of 'RED' = 0.4 kg
Average weekly production of 'RED' = 400 units
Average weekly consumption of X for producing 400 units of 'RED' = 0.4 kg/unit x 400 units/week = 160 kg/week
Assuming lead time of 3 weeks for delivery of X, the reorder level of X would be:
Reorder level of X = Average weekly consumption of X x Lead time for delivery of X
Reorder level of X = 160 kg/week x 3 weeks = 480 kg
To calculate the maximum level of X, we need to take into account the economic order quantity and the maximum storage capacity.
Economic order quantity of X = Square root of [(2 x Annual consumption of X x Ordering cost per order) / Cost per unit of X]
Assuming 52 weeks in a year:
Annual consumption of X = Average weekly consumption of X x 52 weeks/year = 160 kg/week x 52 weeks/year = 8,320 kg/year
Ordering cost per order of X = 600
Cost per unit of X = 1
Economic order quantity of X = Square root of [(2 x 8,320 kg x 600) / 1] = 2,771.28 kg (approx.)
Maximum storage capacity of X = Economic order quantity of X + Safety stock - Average weekly consumption x Maximum lead time
Assuming a safety stock of 20% of the economic order quantity and a maximum lead time of 3 weeks:
Maximum storage capacity of X = 2,771.28 kg + (0.2 x 2,771.28 kg) - (160 kg/week x 3 weeks) = 2,815.82 kg (approx.)
To calculate the maximum level of Y, we follow the same approach as for X:
Annual consumption of Y = Average weekly consumption of Y x 52 weeks/year
Average consumption of Y per unit of 'RED' = 0.6 kg
Average weekly consumption of Y for producing 400 units of 'RED' = 0.6 kg/unit x 400 units/week = 240 kg/week
Annual consumption of Y = 240 kg/week x 52 weeks/year = 12,480 kg/year
Economic order quantity of Y = Square root of [(2 x Annual consumption of Y x Ordering cost per order) / Cost per unit of Y]
Ordering cost per order of Y = 1,000
Cost per unit of Y = 1.5
Economic order quantity of Y = Square root of [(2 x 12,480 kg x 1,000) / 1.5] = 915.65 kg (approx.)
Maximum storage capacity of Y = Economic order quantity of Y + Safety stock - Average weekly consumption x Maximum lead time
Assuming a safety stock of 20% of the economic order quantity and a maximum lead time of 3 weeks:
Maximum storage capacity of Y = 915.65 kg + (0.2 x 915.65 kg) - (240 kg/week x 3 weeks) = 732.52 kg (approx.)
A chemist has two alloys, one of which is 10% gold and 20% lead in the other which is 40% gold and 30% lead. How many grams of each of the two alloys should be used to make an alloy that contains 57 g of gold and 94 g of lead 
Answers
Answer:
The chemist should use 410 grams of the first alloy (which is 10% gold and 20% lead) and 40 grams of the second alloy (which is 40% gold and 30% lead) to make an alloy that contains 57 grams of gold and 94 grams of lead.
Step-by-step explanation:
Let's call the amount of the first alloy used "x" and the amount of the second alloy used "y". We can set up a system of two equations based on the amount of gold and lead needed in the final alloy:
Equation 1: 0.10x + 0.40y = 57 (the amount of gold in the first alloy is 10%, and in the second alloy is 40%)
Equation 2: 0.20x + 0.30y = 94 (the amount of lead in the first alloy is 20%, and in the second alloy is 30%)
We can then solve for x and y using any method of solving systems of equations. One way is to use substitution:
Solve equation 1 for x: x = (57 - 0.40y)/0.10 = 570 - 4ySubstitute this expression for x in equation 2: 0.20(570 - 4y) + 0.30y = 94Simplify and solve for y: 114 - 0.8y + 0.3y = 94 → -0.5y = -20 → y = 40Substitute this value of y into the expression for x: x = 570 - 4y = 410Therefore, the chemist should use 410 grams of the first alloy (which is 10% gold and 20% lead) and 40 grams of the second alloy (which is 40% gold and 30% lead) to make an alloy that contains 57 grams of gold and 94 grams of lead.
If x = 37 degrees, how many degrees is Angle y? (Include only numerals in your response.)
Answers
Answer:
143 degrees
Step-by-step explanation:
angles on a straight line add up to 180 degrees
[tex]x + y = 180 \\ 37 + y = 180 \\ y = 180 - 37 \\ y = 143 \: degrees[/tex]
The cost of providing water bottles at a high school football game is $25 for the
rental of the coolers and $0.65 per bottle of water. The school plans to sell water for $1.25 per bottle.
A. Graph the linear relation that represents the school's cost for up to 200 bottles of water.
B. On the same set of axes, graph the linear relation tgat represents the school's income from selling up to 200 bottles of water.
C. Write the equation representing each other.
D. What are the coordinates ofvthe point where the line cross?
E. What is the significance of this point?
Answers
Answer:
A. To graph the linear relation representing the school's cost for up to 200 bottles of water, we can use the slope-intercept form of a linear equation: y = mx + b, where y is the cost, x is the number of bottles of water, m is the slope, and b is the y-intercept.
The y-intercept is the fixed cost of renting the coolers, which is $25. The slope represents the additional cost per bottle of water, which is $0.65. Therefore, the equation is:
y = 0.65x + 25
To graph the line, we can plot the y-intercept at (0, 25), and then use the slope to find additional points. For example, when x = 50, y = 0.65(50) + 25 = 57.50, so we can plot the point (50, 57.50) and draw a line through the points.
B. To graph the linear relation representing the school's income from selling up to 200 bottles of water, we can also use the slope-intercept form of a linear equation: y = mx + b, where y is the income, x is the number of bottles of water, m is the slope, and b is the y-intercept.
The y-intercept is the revenue from selling 0 bottles of water, which is $0. The slope represents the revenue per bottle of water, which is $1.25. Therefore, the equation is:
y = 1.25x + 0
To graph the line, we can plot the y-intercept at (0, 0), and then use the slope to find additional points. For example, when x = 50, y = 1.25(50) + 0 = 62.50, so we can plot the point (50, 62.50) and draw a line through the points.
C. The equation for the school's cost is y = 0.65x + 25, and the equation for the school's income is y = 1.25x + 0.
D. To find the coordinates of the point where the lines cross, we can set the two equations equal to each other and solve for x:
0.65x + 25 = 1.25x + 0
0.6x = 25
x = 41.67
Then we can plug in x = 41.67 into either equation to find y:
y = 0.65(41.67) + 25 = 52.08
Therefore, the point where the lines cross is (41.67, 52.08).
E. The significance of this point is that it represents the breakeven point, where the school's cost equals its revenue. If the school sells fewer than 41.67 bottles of water, it will not cover its costs. If it sells more than 41.67 bottles of water, it will make a profit.
Step-by-step explanation:
Question 9
The volume of a cube can be found using the equation V = s³, where V is the volume and s is the measure of one side of the cube.
Match the equation for how to solve for the side length of a cube to its description.
Drag the equation into the box to match the description.
Answers
The equation for solving the side length of a cube is s = ∛V, where s is the side length of the cube, and V is the volume.
The equation for solving the side length of a cube can be expressed as s = ∛V, where s is the side length of the cube, and V is the volume. This equation can be used to calculate the side length of a cube when the volume is known. For example, if the volume of a cube is 125 cubic units, the side length can be calculated by substituting 125 for V and solving the equation: s = ∛125 = 5. This means that the side length of the cube is 5 units.
Learn more about equation here:
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