Addressing issue at hand, we can state that the correct linear equation comparison symbol to the box. 10.09 10.9 f < = > is => 10.09 < 10.9
What is a linear equation?The algebraic equation y=mx+b is known as a linear equation. M serves as the y-intercept, and B serves as the slope. The previous clause has two variables, y and x, and is sometimes referred to as a "linear equation with two variables". Bivariate linear equations are those with two independent variables. The following are a few examples of linear equations: 2x - 3 = 0, 2y = 8, m + 1 = 0, x/2 = 3, x + y = 2, and 3x - y + z = 3. When an equation takes the form y=mx+b, with m denoting the slope and b denoting the y-intercept, it is referred to as being linear. The term "linear" refers to an equation having the form y=mx+b, where m stands for the slope and b for the y-intercept.
the correct comparison symbol to the box.
10.09 10.9
< = >
10.09 < 10.9
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a. Using a trig identity, write x(t) = -2cos(4t) + 5sin(4t) using only one cosine function.b. Using a trig identity, write x(t) = 2cos(4t)+5sin(4t) using only one cosine function.c. Using a trig identity, write x(t) = e^-2t(-2cos(4t)+5sin(4t)) using only one cosine function.
After using trig identities for all three given functions are a). [tex]x(t) = √29cos(4t - 111.8°)[/tex] , b). [tex]x(t) = √29cos(4t - 68.2°),[/tex] c). [tex]x(t) = e^-2t(√29cos(4t - 111.8°))[/tex].
Using the trig identity [tex]cos(A - B) = cos(A)cos(B) + sin(A)sin(B)[/tex], we can rewrite [tex]x(t) = -2cos(4t) + 5sin(4t)[/tex] using only one cosine function as follows : [tex]x(t) = Rcos(4t - α)[/tex] where [tex]R = √((-2)^2 + 5^2) = √29[/tex] and [tex]α = tan^-1(5/-2) = 111.8°[/tex]. Therefore, x(t) = √29cos(4t - 111.8°)
Similarly, using the same trig identity, we can rewrite [tex]x(t) = 2cos(4t) + 5sin(4t)[/tex] using only one cosine function as follows : [tex]x(t) = Rcos(4t - α)[/tex] where [tex]R = √(2^2 + 5^2) = √29[/tex] and [tex]α = tan^-1(5/2)[/tex] = 68.2°. Therefore, [tex]x(t) = √29cos(4t - 68.2°)[/tex].
Using the same trignometric identity, we can rewrite[tex]x(t) = e^-2t(-2cos(4t) + 5sin(4t))[/tex] using only one cosine function as follows: [tex]x(t) = e^-2t(Rcos(4t - α))[/tex] where R = [tex]√((-2)^2 + 5^2) = √29[/tex] and [tex]α = tan^-1(5/-2) = 111.8°[/tex]. Therefore, x(t) =[tex]e^-2t(√29cos(4t - 111.8°))[/tex]
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Sally wants to buy a new iPhone that costs $200. She has already saved $75. Write and solve an inequality to find
the least amount of money, m, that Sally still needs to save
before she can buy the phone
The least amount of money Sally still needs to save before she can buy the iPhone is $125 and the inequality that represents this situation is m ≥ $125
Let "m" be the amount of money Sally still needs to save to buy the iPhone.
The total cost of the iPhone is $200, and Sally has already saved $75. Therefore, the amount of money she still needs to save is:
m = $200 - $75
m = $125
So Sally still needs to save at least $125 before she can buy the iPhone.
Therefore, the inequality that represents this situation is
m ≥ $125
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The mean of the data is 18.25. find the variance. find the standard deviation.
The standard deviation is the square root of the variance and is used to measure how spread out the data is. To calculate the standard deviation, take the square root of the variance.
What is variance?Variance is the measure of how far a set of numbers are spread out from their average value. It is a measure of how much variation or dispersion exists from the average. Variance is represented as the square of the standard deviation, which is a measure of the spread of numbers in a set.
The mean of the data is 18.25. The variance is a measure of the spread of the data away from the mean, and is calculated by taking the average of the squared differences from the mean. To calculate the variance, subtract the mean from each data point, square this result and add up the values. Then divide this sum by the number of data points minus one.
For example, if the data set contains the values 10, 15, 20, 25 and 30 then the mean is 18.25. Subtracting the mean from each data point gives -8.25, -3.25, 1.75, 6.75, 11.75. Squaring each of the differences gives 68.0625, 10.5625, 3.0625, 45.5625, 137.0625. Adding these results together gives 264.3125. Dividing this by 4 (the number of data points minus one) gives 66.075. Taking the square root of this gives 8.1 as the standard deviation.
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The variance of the given data is calculated to be 118.63 and the standard deviation is 10.89.
What does variance mean?The variance of the data is a measure of how far the data points are spread out from the mean. It is calculated by taking the differences between each data point and the mean, squaring the differences, and then taking the average of those squared differences.
For our data, the mean is 18.25. To find the variance, we can subtract 18.25 from each of the data points and square the differences. Then we can add up all of the squared differences and divide by the number of data points.
Variance = (2 - 18.25)² + (3 - 18.25)² + (4 - 18.25)² + (18 - 18.25)² + (20 - 18.25)² + (25 - 18.25)²
= (15.752 + 14.752 + 13.752 + 0.752 + 1.752 + 6.752) ÷ 6
= (255.2 + 217.2 + 190.2 + 0.6 + 3.0 + 45.8) ÷ 6
= 711.8 ÷ 6
Variance = 118.63
To find the standard deviation, we take the square root of the variance.
Standard deviation = √118.63
Standard deviation = 10.89
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Question:
The mean of the data is 18.25. Find the variance. Find the standard deviation.
Data: 2, 3, 4, 18, 20, 25
5. How many possible rational roots are there for the polynomial P(x) = 10x³ + 6x² + 4x +4?
a.8
b.10
c.16
d.4
Answer:
By the Rational Root Theorem, the possible rational roots of a polynomial are of the form p/q, where p is a factor of the constant term and q is a factor of the leading coefficient.
The constant term of P(x) is 4, whose factors are ±1 and ±4. The leading coefficient is 10, whose factors are ±1, ±2, ±5, and ±10.
So, the possible rational roots of P(x) are: ±1/1, ±2/1, ±4/1, ±1/10, ±2/10, ±5/10, and ±10/10. This gives us a total of 8 possible rational roots.
Therefore, the answer is a. 8.
Step-by-step explanation:
Solve the equation.
4x4 - 40x2 + 36 = 0
A. x=1 , x= 3
B. x= -3, x= -1, x= 1, x= 3
C. x= -3, x= -1
D. no solution
The solutions of the given equation as required to be determined are as given in; +3, -3, +1, and -1.
What are the solutions of the given equation?As evident from the task content; it follows that the solutions of the given equation are to be determined.
Given; 4x⁴ - 40x² + 36 = 0
Therefore, we have;
x⁴ - 10x² + 9 = 0
Let y = x² so that we have;
y² - 10y + 9 = 0
(y - 9) (y -1) = 0
y = 9 Or y = 1
Therefore, since y = x²;
x = ± 3 or ±1
Hence, the solutions for the equation as required are; +3, -3, +1, and -1.
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Maria decorated her notebook with 4 rectangular stickers. Each sticker was 1/2 inches wide and 11/16 inches long
The total area of the stickers is (1/2) x (11/16) x 4 = 11/8 inches squared.
To calculate the total area of the stickers that were used to decorate the notebook, we need to know the dimensions of each sticker. In this case, the stickers were rectangular and each sticker was 1/2 inches wide and 11/16 inches long. To find the total area, we need to multiply the width of each sticker by the length of each sticker and then multiply this number by the number of stickers used. In this example, we have 4 stickers, so we must multiply (1/2) x (11/16) x 4. When this calculation is done, we end up with 11/8 inches squared as the total area of the stickers.
the complete question is :
Maria decorated her notebook with 4 rectangular stickers. Each sticker was 1/2 inches wide and 11/16 inches long
What was the area of each sticker?
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A coin is flipped and a card is randomly selected from a deck of 52. What is the probability the coin will land on heads and the card will be a Queen? There are 4 queens in a deck of cards.
A. 1/104
B. 6/13
C. 1/26
D. 4/52
Answer:
The probability is 4/52
What is Probability?
the extent to which something is probable; the likelihood of something happening or being the case.
"the rain will make the probability of their arrival even greater"
Similar:
likelihood
likeliness
prospect
expectation
chance
chances
odds
possibility
a probable or the most probable event.
plural noun: probabilities
"for a time revolution was a strong probability"
Similar:
probable event
prospect
possibility
good/fair/reasonable bet
the extent to which an event is likely to occur, measured by the ratio of the favorable cases to the whole number of cases possible.
"the area under the curve represents probability"
The most popular lengths of paddle boards can be written by the function V(x) equals the absolute value of |x - 10|where x is the length of the paddleboard and v represents a variation of 4 feet. Complete the statement. The vertex of the function is ? Which represents ?
The vertex of the absolute function for the paddle boards is at x = 10.
Explain about the absolute function?A function that wraps an algebraic expression in absolute value symbols is known as an absolute value function.
Remember that a number's distance from 0 upon that number line represents its absolute value.f(x)=| x | denotes the parent function of absolute values.The function g(x)= f(x - h) can be used to translate this same absolute value function f(x)=| x | horizontally.The graph of f(x) is moved h units towards the right to obtain g(x) when h>0.So,
lengths of paddle boards is defined by :
V(x) = |x - 10|.
x is the length of the paddleboardv is variation of 4 feet.Thus, the vertex of the absolute function for the paddle boards is at x = 10.
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Answer:
Step-by-step explanation:
v(x)=||x-10||
The value of a professional basketball player's autograph rose 40% in the last year. It is now worth $350.00. What was it worth a year ago?
The autograph of the professional basketball player's was worth $250.00 a year ago.
What was the worth of the professional basketball player's autographa year ago?Given that, in the last year, the value of a professional basketball player's autograph rose 40% and it is now worth $350.00.
To determine it worth a year ago, let's call the original value of the autograph "x".
We know that the value increased by 40%, which means it became:
100% + 40% = 140% of its original value.
We can set up the following equation:
140% × x = 350
(140/100)x = 350
1.4x = 350
To solve for x, we can divide both sides by 1.4:
x = 350 ÷ 1.4
x = 250
Therefore, the autograph was worth $250.00 a year ago.
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Mike can do the job one hour quicker than mike. They worked together for 4 hours until homer went home. Mike finished the job working by himself for an additional 4 hours. How long would homer have taken to do it by himself?
Homer would have taken approximately 8.11 hours to do the job by himself.
Let h be the time it would take Homer to do the job by himself, and let m be the time it would take Mike to do the job by himself. We know from the problem that:
m = h - 1 (Mike can do the job one hour quicker than Homer)
We also know that they worked together for 4 hours, so they completed 4/h + 4/m of the job. We can set up an equation based on this:
4/h + 4/m = 1 (they completed the entire job)
Substituting m = h - 1, we get:
4/h + 4/(h-1) = 1
Multiplying both sides by h(h-1), we get:
4(h-1) + 4h = h(h-1)
Simplifying:
8h - 4 =
[tex]h^2 - h[/tex]
Rearranging:
[tex]h^2 - 9h + 4 = 0[/tex]
Using the quadratic formula, we get:
[tex]h = (9 ± \sqrt{(9^2 - 414)) / 2} [/tex]
Since we are looking for a positive value of h, we take the positive square root:
h ≈ 8.11
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select all answers
1. linear pair
2. adjacent
3. vertical
4. none of these
In the figure angle5 and angle 6 are vertical angles
3. verticalWhat are vertical angles?Vertical angles are a pair of angles formed by two intersecting lines or rays. They are opposite to each other and have equal measures. In other words, if two lines intersect at a point, the angles that are across from each other, or directly opposite each other, are vertical angles.
Vertical angles are always congruent, which means that they have the same angle measurement. This can be proven using the properties of parallel lines and transversals, which state that when a transversal intersects two parallel lines, the alternate interior angles are congruent, and the corresponding angles are congruent.
Since vertical angles are formed by intersecting lines, they are neither adjacent nor supplementary.
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2. Algebraically determine the initial velocity required in a roller coaster design if the velocity will be 26 m/s at the bottom of a vertical drop of 34 m (Acceleration due to gravity in SI units is 9.8 m/s 2).
The initial velocity required in the roller coaster design is also 26 m/s.
what is an algebraic expression?
An algebraic expression is a mathematical phrase consisting of numbers, variables, and mathematical operations such as addition, subtraction, multiplication, and division.
To determine the initial velocity required in a roller coaster design, we can use the conservation of energy principle. At the top of the drop, the total energy of the roller coaster is potential energy, given by mgh, where m is the mass of the roller coaster, g is the acceleration due to gravity, and h is the height of the drop.
At the bottom of the drop, the total energy of the roller coaster is kinetic energy, given by (1/2)mv^2, where v is the velocity of the roller coaster at the bottom.
By equating the two energies, we get:
mgh = (1/2)mv^2
Solving for the initial velocity, we get:
v = sqrt(2gh)
where h is the height of the drop.
Substituting the given values, we get:
v = sqrt(2 x 9.8 m/s^2 x 34 m) = 26 m/s
Therefore, the initial velocity required in the roller coaster design is also 26 m/s.
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Shelton mixed 1 1/4 cups of purple cabbage and 2 3/8 cups of lettuce to make a big salad. Each day he eats 3/4 of a cup of salad. Which expression shows how many servings of salad Shelton has?
Answer
Choice C: (1 1/4 + 2 3/8) / 3/4
Step-by-step explanation:
His salad consists of 1 1/4 cups of purple cabbage and 2 3/8 cups of lettuce. First, you would add those two together to get how much the salad is. THEN divide by how much he eats each day which is 3/4.
Question three, please help
3/10
Answer:
The model train can travel 2 feet per second.
work out the length of x
Answer:
x = 3 cm
Step-by-step explanation:
This is a right-angled triangle where:
hyp = Hypotenuse = 5 cm
adj = Adjacent = 4 cm
opp = Opposite = [tex]x[/tex] cm
To determine the Length of any of the three sides of a right-angled triangle mentioned above, applying the Pythagorean Theorem:
[tex]hyp^{2} = opp^{2} + adj^{2}[/tex]
[tex]5^{2} = x^{2} + 4^{2}[/tex]
[tex]25 = x^{2} + 16[/tex]
[tex]x^{2} = 25 - 16[/tex]
[tex]x^{2} = 9[/tex]
[tex]\sqrt{x^{2}} = \sqrt{9}[/tex]
[tex]x = 3[/tex] cm
Julie Spiros, age 21 and unmarried, drives her vehicle to and from work. Her driver-rating factor is
1.85. Her vehicle is classified A-11. She has $25,000 property damage, 50/100 bodily injury, 50-
deductible comprehensive, and $50-deductible collision coverage. What is her annual base
premium? What is her annual premium?
Julie Spiros's basic premium is [tex]740[/tex] per year, and her premium is [tex]1,067.20[/tex] per year.
How are base premiums determined?The basic price factor is multiplied by the regular premium to determine the basic premium. The converted loss is computed by dividing the losses suffered by the loss conversion factor. Due to the basic premium component, the basic premium is lower than the standard premium.
How is the basic premium in insurance determined?By dividing the amount insured by sum assured, the insurance rate is determined. This indicates that your monthly price would be 10% if you had an insurance coverage of Rs. 10,000 and an adequate amounts of Rs. One of the most important steps in the insurance buying process is figuring out the insurance premium rate.
annual base premium = (vehicle factor) x (driver-rating factor) x (base rate)
[tex]= 1 * 1.85 * 400[/tex]
[tex]= 740[/tex]
Property damage coverage [tex]\frac{25000}{1000}*0.8=20[/tex]
Bodily injury coverage [tex]\frac{50}{100}*2*300=300[/tex]
Comprehensive coverage [tex]\frac{50}{1000}*0.6*12=3.60[/tex]
Collision coverage [tex]\frac{50}{1000}*0.6*12=3.60[/tex]
Adding these costs to the annual base premium, we get:
annual premium = annual base premium + property damage + bodily injury + comprehensive + collision
[tex]= 740 + 20 + 300 + 3.60 + 3.60[/tex]
[tex]= 1,067.20[/tex]
Therefore, Julie's annual premium is [tex]1067.20[/tex]
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1. In Exercise 1 of Section 3.3, indicate whether the given vectors form a basis for R 2.
1 , -1
2 -2
3 , -2 , 0
1 4 1 1 , 2
1 -1
Accοrding tο the given infοrmatiοn, nοne οf the given vectοrs οr pairs οf vectοrs fοrm a basis fοr R2.
What is vectοr space?A vectοr space is a cοllectiοn οf οbjects called vectοrs, which can be added tοgether and multiplied by scalars (usually real numbers), in a way that satisfies certain axiοms. These axiοms define the prοperties that the additiοn and scalar multiplicatiοn οperatiοns must have in οrder fοr the set οf vectοrs tο be a vectοr space.
Tο determine if a set οf vectοrs fοrms a basis fοr a vectοr space, we need tο check if the vectοrs are linearly independent and if they span the entire space.
Let's cοnsider the given set οf vectοrs:
v1 = (1, -1)
v2 = (2, -2)
v3 = (3, -2, 0)
v4 = (1, 4, 1)
v5 = (1, -1)
Nοte that these vectοrs have different dimensiοns, sο they cannοt fοrm a basis fοr the same vectοr space.
Vectοrs v1 and v2 are in R2, and they are linearly dependent, since v2 is a scalar multiple οf v1. Therefοre, {v1, v2} cannοt fοrm a basis fοr R2.
Vectοr v3 is in R3, and it is nοt pοssible fοr it tο fοrm a basis fοr R2.
Vectοr v4 is in R3, and it cannοt fοrm a basis fοr R2 either.
Vectοrs v1 and v5 are in R2, and they are alsο linearly dependent, since v5 is a scalar multiple οf v1. Therefοre, {v1, v5} cannοt fοrm a basis fοr R2.
In cοnclusiοn, nοne οf the given vectοrs οr pairs οf vectοrs fοrm a basis fοr R2.
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Complete question:
Show your work for every single one plssssss
Therefore , the solution of the given problem of expressions comes out to be a) 10⁻4.10⁻⁶ = 10⁻¹⁰ , b) -5⁸/-5⁴ = -5⁴ and c) y⁶/y⁷ = 1/y.
What exactly is a expression?Calculations that involve joining, random subdivision variable changing multipliers, and removal are required. They could accomplish the following if they united: An algorithm, some information, and a mathematical challenge. Formulas, factors, and arithmetic operations like additions, deductions, errors, and groupings are all present in a declaration of truth. Words and phrases can be evaluated and analysed.
Here,
a) 10⁻4.10⁻⁶
b) -5⁸/-5⁴
c) y⁶/y⁷
and
To simplify this expression :
a) 10⁻4.10⁻⁶ = 10⁻¹⁰
b) -5⁸/-5⁴ = -5⁴
c) y⁶/y⁷ = 1/y
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I shall give brainliest
Classify the angle according to its measure. Straight acute obtuse right
100 degrees I think
Answer:
Obtuse
Step-by-step explanation:
In general speaking of your options
Straight angles equal exactly 180
Acute angles equal anything less than 90
Obtuse equals anything above 91
Right angles equal exactly 90
pairing arrangements are possible? derive the general formula for the number of different pairing arrangements when there are n cysteines (and n is even).
Yes, Pairing arrangements are possible.
[tex]$\frac{n!}{2^n (n/2)!}$[/tex]
If there are n cysteines, then there are n sulfur atoms that can form disulfide bonds. To form a pairing arrangement, we need to choose 2 sulfur atoms from the n sulfur atoms and connect them with a disulfide bond. We repeat this process until all sulfur atoms are paired up.
The number of ways to choose 2 sulfur atoms from n sulfur atoms is given by the binomial coefficient
[tex]$\binom{n}{2}$[/tex]
Once two sulfur atoms are paired up, we can remove them from the pool of sulfur atoms and continue pairing the remaining sulfur atoms in the same way.
Therefore, the total number of pairing arrangements is given by:
[tex]$\binom{n}{2} \cdot \binom{n-2}{2} \cdot \binom{n-4}{2} \cdots \binom{4}{2} \cdot \binom{2}{2}$[/tex]
which can be simplified as:
[tex]$\frac{n!}{2^n (n/2)!}$[/tex]
Since we are choosing pairs, we divide by 2 for each pair and the order of the pairs doesn't matter. Also, we divide by (n/2)! to account for the fact that the pairs can be arranged in any order.
Note- that n must be even for this formula to hold.
Therefore, the general formula for the number of different pairing arrangements when there are n cysteines (and n is even) is:
[tex]$\frac{n!}{2^n (n/2)!}$[/tex]
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Please ASAP Help
Will mark brainlest due at 12:00
Answer:
∠OPM
Step-by-step explanation:
∠QPR = ∠3 = ∠1 = ∠OPM
Answer:
∠3
Step-by-step explanation:
Does anyone know this? I really need help!!
Answer:
measure of arc JL is 170°
Step-by-step explanation:
The Inscribed Angle Theorem states that the measure of an inscribed angle is half the measure of its intercepted arc. Inscribed angles that intercept the same arc are congruent.
so 85*2 is 170°
Two boxes containing candies are placed on a table. The boxes are labelled B1 and B2.
Box Bl contains 7 cinnamon candies and 4 ginger candies. Box B2 contains 3 cinnamon
candies and 10 pepper candies. The boxes are arranged so that the probability of
selecting box Bu is 1/3 and the probabit of selecting box B2 is 2/3. Mohamed is
blindfolded and asked to select a candy. What is the probability that he selects a
cinnamon candy2
Select one:
0. 0. 0326
0. 0. 0125
C. 0. 75
d. 0. 014
Two boxes containing candies were placed on a table, labelled B1 and B2. Box B1 contained 0.0125d of candies while Box B2 contained 0.014d. Therefore, Box B2 contained a greater amount of candies than Box B1, but only by a small amount.
The question asks about two boxes containing candies placed on a table. The boxes are labelled B1 and B2. To answer this question, we must first consider what is contained in each box. Box B1 contains 0.0125d of candies while Box B2 contains 0.014d. Therefore, Box B2 contains a greater amount of candies than Box B1.
It is important to note that the difference between the two boxes is minimal, with Box B2 containing only 0.0015d more candies than Box B1. Thus, both boxes contain similar amounts of candies.
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Find the twenty-third term of an arithmetic sequence that has a common difference
equal to 10 and its eighth term equal to 52
The twenty-third term of the given arithmetic sequence is 192.
The formula to find the nth term of an arithmetic sequence with a common difference (d) is Tn = a + (n - 1)d, where a is the first term of the sequence. To solve for the twenty-third term of the given sequence, we can substitute the given values into the formula. The common difference (d) is 10 and the eighth term (a) is 52, so the formula becomes T23 = 52 + (23 - 1)10. When we solve this equation, we get T23 = 192. Therefore, the twenty-third term of this arithmetic sequence is 192.
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How many ways can you
represent the number of
dots shown?
There are 5 ways we can represent the number of dots shown.
What is the combination?
A combination is a choice of items from a group of different items where the order of the choices is irrelevant. either the process of combining or the condition of combining. a combination of several things a synthesis of concepts. something created through fusion: A chord is made up of several notes.
Here, we have
Given: Dots shown and we have to find the ways can you represent the number of dots shown.
We apply here combination and we get
⁵C₁ = 5!/4!
= 5
Hence, there are 5 ways we can represent the number of
dots shown.
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Max bought m 8-ounce jars of olives and n 12-ounce jars of olives. The total amount of olives was at least 80 ounces. Which inequality models this situation?
According to the property of inequality, the inequality that models this situation is 8m + 12n ≥ 80.
What is inequality?
An inequality is a mathematical statement that compares two values or expressions and indicates whether they are equal or not, or which one is greater or smaller.
Let's use "m" to represent the number of 8-ounce jars of olives and "n" to represent the number of 12-ounce jars of olives.
The total amount of olives can be found by multiplying the number of 8-ounce jars by 8 and the number of 12-ounce jars by 12, and then adding them together:
total amount of olives = 8m + 12n
The problem tells us that the total amount of olives is at least 80 ounces. We can represent this information as an inequality:
8m + 12n ≥ 80
Therefore, the inequality that models this situation is 8m + 12n ≥ 80.
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Can someone answer these questions please.
According to the information in the graph Carissa used the motor for the first twelve minutes, then rowed for the next 12 minutes. During the next 48 minutes she dropped the ship's anchor and finally, during the last 18 minutes she returned to the starting point using the motor.
How to identify when she used the motor, she rowed or used the anchor?To identify the moments in which Carissa used the motor, the oars or the anchor we must look at the graph. Additionally, we must be clear that when she uses the motor she is faster than when she uses the oar and that when she uses the anchor she is totally stopped.
Based on the above, we can infer that:
the first twelve minutes, then rowed for the next twelve minutes. During the next forty-eight minutes he dropped the ship's anchor and finally, during the last eighteen minutes, he returned to the starting point using the motor.
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Which is a way to find the equation of a line that best fits this data?
A scatter plot has average temperature (degrees Fahrenheit) on the x-axis, and heating bill (dollars) on the y-axis. Point A is around (26, 83), B (38, 86), C (42, 74), D (44, 75), E (49, 66). Other points are at (38, 94) and (42, 79). CLEAR CHECK
Use the coordinates of points B
and D
to find the slope and then the equation of the line that passes through them. Draw a line through the origin and point E. Find the slope, m
, and write the equation in the form y=mx. Use the coordinates of points A
and C
to find the slope and then the y
-intercept of the equation that passes through them. It does not make sense to use algebraic equations on a scatter plot
Therefore , the solution of the given problem of coordinates comes out to be y = (66/49)x and y = (-11/6)x + 110.67 .
Define coordinate.By utilising one or more variables or coordinates, a coordinate system can precisely find coordinates or other algebraic objects on such an area, including Euclidean space. Coordinates, that appears to be couples of numbers, can be used to find a point or object on a double plane. The y and x vectors on even a two-dimensional surface indicate the position of a point. a set of pictures that serve as markers for particular places.
Here,
Find the slope and equation of the line that goes through points B and D using their coordinates.
BD's slope is:
=> m = (y2 - y1) / (x2 - x1) (x2 - x1)
=> m = (75 - 86) / (44 - 38) (44 - 38)
=> m = -11 / 6
Using the slope and position B:
=> y - y1 = m(x - x1) (x - x1)
=> y - 86 = (-11/6)(x - 38) (x - 38)
Simplifying:
=> y = (-11/6)x + 110.67
The line that best matches points B and D has this equation as its equation.
Connect the starting point and position E with a line. Write the equation y = mx after determining the slope, m.
OE's slope is:
=> m = (y2 - y1) / (x2 - x1) (x2 - x1)
=> m = (66 - 0) / (49 - 0) (49 - 0)
=> m = 66 / 49
Using the slope and position E:
=> y - y1 = m(x - x1) (x - x1)
=> y - 66 = (66/49)x
Simplifying:
=> y = (66/49)x
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Find x. Round to the nearest tenth.
Answer:13.5
Step-by-step explanation:
use sinuses theorem:
[tex]\frac{x}{sina}=\frac{y}{sinb} \\\frac{12}{sin63}=\frac{x}{sin90} \\x=\frac{12}{sin63}=13.5[/tex]
Which expression could be used to determine the area of the triangle?
A triangle has a base of 2 and three-fourths and height of StartFraction 7 Over 8 EndFraction.
One-half + 2 and three-fourths + StartFraction 7 Over 8 EndFraction
(2 and three-fourths) (StartFraction 7 Over 8 EndFraction)
One-half (2 and three-fourths) (StartFraction 7 Over 8 EndFraction)
One-half (2) (three-fourths) (StartFraction 7 Over 8 EndFraction)
HELP IT TIMED AND IM GIVING 100 POINTS AND HEARTS AND 5.0 !!!IF!!! CORRECT!
The expression which could be used to determine the area of the triangle is: One-half (2) (three-fourths) (StartFraction 7 Over 8 EndFraction).
What is expression in math?Expression in math is a combination of numbers, operations, variables, and/or other mathematical symbols that represent a quantity or an action. It is a statement that can be evaluated to a single value, or a set of values. Expressions in math can be used to solve equations, calculate values, and form models of real-world scenarios.
This expression multiplies together the base, two and three-fourths, and the height, StartFraction 7 Over 8 EndFraction, and then divides the result by two to give the area of the triangle.
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