Answer: m = 6/5
Step-by-step explanation:
Answer: m=6/5
Step-by-step explanation:
what is the value of t?
Answer:
t=36°
Step-by-step explanation:
90-54=36
opposite angles are equal so t=36°
26. In the given figure, OP || RS. ZPQR = 60° and QRS = 130°. Then what is the measure of ZOPQ? S P 60% R 130⁰
Answer: The answer is 60.
Step-by-step explanation:
Using the fact that OP || RS, we know that∠RWV = 180° − 130° 1. ∠RWV = 50° We know that,∠PWQ = ∠RWV = 50° (Since, opposite angles of intersecting lines are equal) Also, for line OP∠OQP + θ = 180° θ = 180° − ∠OPQ = 180° − 110° 2. θ = 70°
Answer:
The measure of ∠OPQ is 110°.
Step-by-step explanation:
Draw a line parallel to OP from point Q. Label a point on the line T. (See attached diagram).
Angles SRQ and TQR are alternate interior angles, and so according to the Alternate Interior Angles Theorem, they are congruent.
⇒ m∠TQR = m∠SRQ = 130°
Given m∠PQR = 60° and m∠TQR = 130° then:
⇒ m∠TQP + m∠PQR = m∠TQR
⇒ m∠TQP + 60° = 130°
⇒ m∠TQP = 70°
Angles OPQ and TQP are same-side interior angles, and so according to the Same-side Interior Angles Theorem, they are supplementary (sum to 180°).
⇒ m∠OPQ + m∠TQP = 180°
⇒ m∠OPQ + 70° = 180°
⇒ m∠OPQ = 110°
Therefore, the measure of ∠OPQ is 110°.
the volume of a cube decreases at a rate of 6 m 3 / s . find the rate at which the side of the cube changes when the side of the cube is 4 m . answer exactly or round to 2 decimal places.
The rate at which the side of the cube changes when the side of the cube is 4 m is -1/8 m/s (or approximately -0.125 m/s).
Let's use the formula for the volume of a cube:
V = s³
where V is the volume and s is the length of one side of the cube. To find the rate of change of the side length, we need to differentiate this formula with respect to time t:
dV/dt = d/dt (s³) = 3s² ds/dt
We know that dV/dt = -6 m³/s (the negative sign indicates that the volume is decreasing), and when s = 4 m, we have:
-6 = 3(4²) ds/dt
Simplifying this equation gives us:
ds/dt = -6 / (3*4²) = -1/8 m/s
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how to factor a trinomial when a is greater than 1
To factor a trinomial when a is greater than 1, we can use the AC method
To factor a trinomial when a is greater than 1, follow these steps
Multiply the coefficient of a (the first term) by the constant (the third term).
Find two numbers that multiply to the product obtained in step 1 and add up to the coefficient of b (the second term).
Replace the middle term with the two terms found in step 2.
Factor the resulting four-term polynomial by grouping.
Factor out the greatest common factor from each group.
Factor the resulting binomials.
Combine the factors to obtain the final factorization of the trinomial.
This method is known as the AC method, and it can be used to factor trinomials of the form ax^2 + bx + c, where a is greater than 1.
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if you're good at quadratics...
Therefore, the correct answer is: [tex](x+10)^2=82[/tex]. ( right hand side of the equation).
What is equation?An equation is a mathematical statement that indicates that two expressions are equal. It typically contains variables, which are represented by letters, and may also include constants and operators. The general format of an equation is:
expression = expression
For example, the equation x + 2 = 6 means that the expression x + 2 is equal to the expression 6. The goal of solving an equation is to find the value(s) of the variable(s) that make the equation true.
To solve the quadratic equation by completing the square, Jamie needs to follow the steps:
Move the constant term to the right-hand side of the equation:
[tex]x^2 + 20x = -18[/tex]
Add and subtract the square of half the coefficient of x to the left-hand side of the equation:
[tex]x^2 + 20x + (20/2)^2 - (20/2)^2 = -18[/tex]
[tex](x+10)^2 - 100 = -18[/tex]
Simplify the right-hand side of the equation:
[tex](x+10)^2 = 82[/tex]
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A triangle with side lengths 7, 6, 4 is
Acute
Right
Obtuse
Right
so 7 is the hypotenuse because it is the biggest. so you have to use 6 and 4 in the formula to see if they equal 7.
(a)²+(b)²=c²
(6)²+(4)²=c²
36+16=c²
(square root) 52=c²
the square root of 52 is 7
so therefore it is a right triangle.
gold medals silver medals bronze medals usa 20 18 42 spain 25 13 11 france 19 27 26 based on the data in the two-way frequency table, what is the probability that a randomly selected player won a bronze medal given that the player represented spain?
Hence, the likelihood is 11/80, or roughly 0.138 as the player represented Spain, the likelihood that a randomly chosen athlete.
what is probability ?The likelihood or chance of an event occurring is measured by probability. It is a number between 0 and 1, where 0 denotes the impossibility of an event and 1 denotes its certainty. By dividing the number of favorable outcomes by the total number of possible outcomes, one can determine the probability of an occurring. Because there is only one desirable result (rolling a 3) out of six potential outcomes, the probability of rolling a 3 when using a fair six-sided die is 1/6. (rolling a 1, 2, 3, 4, 5, or 6).
given
The number of gold, silver, and bronze medals each player from each nation has earned is displayed in the table.
We need to utilize conditional probability to determine the likelihood that a randomly chosen player won a bronze medal provided that the player represented Spain.
The following formula determines the conditional probability of an event B given an event A:
P(A and B) = P(B|A) (A)
where P(A) is the likelihood that event A will occur and P(A and B) is the likelihood that events A and B will both occur.
In this instance, event A was the player representing Spain, and event B was the bronze medal the player took home.
The table reveals that 11 bronze medals were won by Spanish athletes. Moreover, the total number of medals won by Spanish athletes is:
20 + 18 + 42 = 80
Hence, given that the player represented Spain, the likelihood that a randomly chosen athlete would have earned a bronze medal is:
P(B|A) = 11/80
Hence, the likelihood is 11/80, or roughly 0.138 as the player represented Spain, the likelihood that a randomly chosen athlete.
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During a catered lunch, an average of 4 cups of tea are poured per minute. The lunch will last 2 hours. How many gallons of tea should the caterer bring if there are 16 cups in one gallon? _____ gallons
Answer:30 gallons
Step-by-step explanation:
Answer:
30 gallons of tea
Step-by-step explanation:
Step 1:
First, before we do anything, let's convert 2 hours into minutes. There are 60 minutes in an hour, so we would multiply 60 and 2 to get 120 minutes.
Step 2:
Since we know that 4 cups of tea are poured every minute, we must multiply 4 by 120 because it is poured every 1 minute, and 4 × 120 = 480.
Step 3:
We also know that there are 16 cups of tea in one gallon, so we would divide 480 by 16 because we are trying to get how many gallons there are. 480 ÷ 16 = 30, so there are 30 gallons of tea poured in two hours.
A party tent is used for an outdoor event. Ropes of equal length support each tent pole. The angle each rope makes with the ground is 52°.
What is the height of each tent pole?
Therefore, the height of each tent pole is approximately 8.07 meters.
What is trigonometry?Trigonometry is a branch of mathematics that deals with the study of the relationships between the sides and angles of triangles. It is used to solve problems involving triangles, such as finding the length of a side or the measure of an angle. Trigonometry is based on the use of trigonometric functions, which are ratios of the sides of a right triangle.
Here,
We can use trigonometry to solve this problem. Let's call the height of the tent pole "h" and the length of the rope "r". Then, we can use the tangent function to find the height:
tan(52°) = h/r
Rearranging this equation, we get:
h = r * tan(52°)
We know that the length of each rope is equal, so we can choose any arbitrary length for r. For simplicity, let's assume that each rope is 10 meters long. Then, we can plug in the values into the equation:
h = 10 * tan(52°)
Using a calculator, we get:
h ≈ 8.07 meters
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a chord is drawn perpendicular to the radius of the circle. if the radius is 5 inches and the point of intersection between the chord and the radius is 2 inches away from the circumference of the circle, find the length of the chord.
The length of the chord is approximately 7.62 inches.
Let's call the center of the circle point O, the radius of the circle 5 inches, the point where the chord intersects the radius point A, and the point where the chord intersects the circle point B.
Since the chord is perpendicular to the radius, we know that angle AOB is a right angle. Also, since OA is 5 inches and AB is 2 inches, we can use the Pythagorean theorem to find the length of OB
OB^2 = OA^2 + AB^2
OB^2 = 5^2 + 2^2
OB^2 = 25 + 4
OB^2 = 29
OB = sqrt(29) ≈ 5.39 inches
Now that we know the length of OB, we can use it to find the length of the chord. Let's call the length of the chord CD, where C and D are the points where the chord intersects the circle. Since OB is perpendicular to CD, we can use the Pythagorean theorem again to find the length of CD
CD^2 = 2OB^2
CD^2 = 2(29)
CD^2 = 58
CD = sqrt(58) ≈ 7.62 inches
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When the temperature drops below 15°C in a building, the furnace turns on.
At what temperatures will the heater turn on? Write an inequality to represent
this situation, and graph the solution on a number line.
The inequality to represent this situation is T < 15°C, where T is the temperature.
What is inequality?Inequality is a statement that two values, expressions, or quantities are not equal. Inequality is usually represented by the symbols ">", "<", "≥", or "≤".
This inequality can be graphed on the number line by representing 15°C as a point on the number line. Any values to the left of 15°C, such as 14°C, 13°C, and so on, would be represented as points to the left of 15°C on the number line.
Less than inequality is used to compare two values to see if one is less than the other. In this case, the inequality T < 15°C states that the temperature T must be less than 15°C in order for the furnace to turn on.
Graphically, the solution to this inequality is represented by a number line with a point at 15°C and all points to the left of 15°C represented in the solution set.
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Solve for x 8 x + 3 ≥ 19
Answer:
x ≥ 2
Step-by-step explanation:
8x + 3 ≥ 19
8x ≥ 19 - 3
8x / 8 ≥ 16 / 8
x ≥ 2
Answer:
Sure, I can solve for x:8x + 3 ≥ 19Subtracting 3 from both sides:8x ≥ 16Dividing both sides by 8:x ≥ 2Therefore, the solution is x ≥ 2.
eva bought 6 sponges. there were p sponges in each package. write an expression that shows how many packages eva bought. 6p
Answer: [tex]\frac{6}{p}[/tex]
Step-by-step explanation:
The number of packages Eva bought would be: 6 divided p which equals 6/p.
Is r=4q-5 a linear function ?
Answer:
yes
Step-by-step explanation:
replace r and q with y and x:
y = 4x - 5
It is a line.
(-3m+3d):3 пожалуйста срочноооооо!!!!!!!!!
Answer:
-m + d
Step-by-step explanation:
(-3m + 3d) : 3 =
(-3m + 3d) x 1/3 =
-m + d
help i need help with this its very hard
Answer:
3a + 2b
Step-by-step explanation:
Let the unknown side have length X.
X + X + 5a - b + 5a - b = 16a + 2b
2X + 10a - 2b = 16a + 2b
2X = 6a + 4b
X = 3a + 2b
Answer: 3a + 2b
What is the endpoint of a line segment with these points? Endpoint: Z(–21, 15) Midpoint: M(–13, 29) (–5, 43) (–17, 22) (–27, 21) (–29, 1)
Answer: A - (-5, 43)
Step-by-step explanation:
A house plan has concrete stairs leading down into the garage. How much concrete is needed to make the stairs? 3 ft 2 ft 8 ft 5 ft [? ] ft ³ 2 ft 8 ft 1 ft
The amount of concrete needed to make the stairs that leads to the garage is 64 cubic feet
Calculating the amount of concrete needed to make the stairs?The missing information is added as an attachment
The concrete needed to make the stairs is the volume of the stairs and this is calculated using
Volume = Base area * Height
Where
Base area = 3 * 2 + 2 * 1
Base area = 8
And
Height = 8
So, we have
Volume = 8 * 8
Evaluate
Volume = 64
Hence, the amount needed is 64 cubic feet
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suppose that a pair of dice is tossed. one die has 7 sides, the other has 5 sides. what is the expected value of the sum of the two dice?
Answer:
4 and 3
Step-by-step explanation:
1/7(1+2+3+4+.....+7)
1/7(28)
4
1/5(1+2+3+4+....+5)
1/5(15)
3
The expected value of the sum of two dice with 7 and 5 sides respectively is 11.
To calculate the expected value of the sum of two dice, we can use the formula for expected value, which is equal to the sum of all possible outcomes multiplied by their corresponding probabilities.
In this case, the possible outcomes are 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, and 12, with their corresponding probabilities being 1/35, 2/35, 3/35, 4/35, 5/35, 6/35, 5/35, 4/35, 3/35, 2/35, and 1/35 respectively.
So, the expected value of the sum of the two dice is 2*(1/35) + 3*(2/35) + 4*(3/35) + 5*(4/35) + 6*(5/35) + 7*(6/35) + 8*(5/35) + 9*(4/35) + 10*(3/35) + 11*(2/35) + 12*(1/35) = 11.
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there are 12 people in an office with 4 different phone lines. if all the lines begin to ring at once, how many groups of 4 people can answer these lines?
As per the combination method, there are 495 groups of 4 people that can answer the 4 different phone lines when there are 12 people in the office.
To start, we need to determine how many ways we can choose 4 people from a group of 12. We use the formula for combinations, which is:
ⁿCₓ = n! / x!(n-x)!
Where n is the total number of people (in this case, 12) and x is the number of people we want to choose (in this case, 4). The exclamation point symbol (!) denotes the factorial operation, which means we multiply the number by every positive integer less than it down to 1.
So, for this problem, we have:
¹²C₄ = 12! / 4!(12-4)!
= (12 x 11 x 10 x 9) / (4 x 3 x 2 x 1)
= 495
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WILL MARK BRAINLIEST!!Which of the box and whisker plots represent data that has a medium of 18 and a lower quartile of 16?
Plots one and three
Plots one and two
Plot three
Plot two
Answer: Plot 2
Step-by-step explanation:
A business owner applies for a credit card to cover $14,000 in emergency expenses. The credit card charges 16.99% annual interest compounded continuously. If no payments are made for 2 years, what will the balance on the card be, rounded to the nearest penny?
Credit card charges $19665.33 will the balance on the card be, rounded to the nearest penny.
What is interest in simple words?
When you borrow money, you must pay interest, and when you lend money, you must charge interest. The most common way to represent interest is as a percentage of a loan's total amount per year. The interest rate for the loan is denoted by this proportion.
Interest is the cost of borrowing money and is typically stated as a percentage, such an annual percentage rate (APR). Lenders may charge interest to borrowers for the use of their funds, or borrowers may charge interest to lenders for the use of their funds.
amount applied for = $14,000
interest rate = 16.99%
the balance after 2 years
P₀ = $1400
r = 16.99% = 0.1699
t = 2
[tex]P_{0} = P_{0}e^{rt}[/tex]
[tex]P_{2} = 1400e^{0.1699 * 2}[/tex]
≈ $19665.33
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if one flag pole is y feet tall and casts a shadow x feet long, then how tall is another nearby flag pole that casts a shadow p feet long at the same time of day?
If one flag pole is y feet tall and casts a shadow x feet long, and another nearby flag pole casts a shadow p feet long at the same time of day, we can use similar triangles to determine the shadow of the second flag pole.
In this scenario, the two flag poles and the ground form two similar right triangles. The height of the first flag pole (y) corresponds to one leg of the first triangle, and the length of its shadow (x) corresponds to the other leg.
Similarly, the height of the second flag pole (h) corresponds to one leg of the second triangle, and the length of its shadow (p) corresponds to the other leg.
Therefore, the height of the second flag pole is equal to the product of the height of the first flag pole and the length of the shadow of the second flag pole, divided by the length of the shadow of the first flag pole.
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How do you tell Linear vs. Nonlinear
Answer:
linear equations produce straight lines when graphed, and their rate of change remains constant
Nonlinear equations do not produce straight lines when graphed.
To determine whether its linear or nonlinear, you can graph it and see if it produces a straight line, or check if it can be written in the form y= Mx+b
Step-by-step explanation:
QUESTION 1. Assume we are testing a function with 3 variables:
Variable A: has values 0 and 1
Variable B: has values 0 and 1
Variable C: has values 0 and 1
What is the total 2-way variable value configuration coverage achieved by the following tests:
A=0; B=0; C=1
A=0; B=1; C=1
A=1, B=0, C=0
The total 2-way variable achieved by the given tests is 6.
How to find 2-way variable?
There are three pairs of variables, and each pair can have two possible values, resulting in 2-way variable value configurations. Therefore, the total 2-way variable value configuration coverage achieved by the given tests is 6, as follows:
A=0, B=0
A=0, C=1
B=0, C=1
A=0, B=1
A=1, B=0
A=1, C=0
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xiao aims to get 8 hours of sleep per week night on monday night he slept for 6 1/2 hrs, on tuesday night 7 1/2 on wednesday night 5 3/4 and on thursday night 8 1/4 hours.
a. state the difference between the amount of sleep he got and his goal
b. after 4 nights, how much is xiao ahead or behind in his sleep goal?
a) Xiao is 13 hours short of his sleep goal for the week.
b) After 4 nights, Xiao is 5 hours short of his sleep goal.
a) Given,Xiao's goal is to get 8 hours of sleep per weeknight, which means he aims to get 40 hours of sleep (8 hours per night x 5 weeknights) during the week. To find the difference between the amount of sleep he got and his goal, we need to calculate the total amount of sleep he got during the week and subtract it from his goal:
Total sleep = [tex]6 \frac{1}{2} + 7 \frac{1}{2} + 5 \frac{3}{4} + 8 \frac{1}{4} = 27[/tex]
Difference from goal = 40 - 27
= 13
Therefore, Xiao is 13 hours short of his sleep goal for the week.
b. After 4 nights, Xiao has slept for a total of:
Total sleep = 27
Since he aims to get 8 hours of sleep per weeknight, he would have gotten a total of 32 hours of sleep (8 hours per night x 4 weeknights) if he had met his goal. To find out how much he is ahead or behind in his sleep goal, we need to calculate the difference between the total amount of sleep he got and his goal:
Difference from goal = 32 - 27 = 5
Therefore, after 4 nights, Xiao is 5 hours short of his sleep goal.
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a sample of test scores is normally distributed with a mean of 120 and a standard deviation of 10. what score is located 2 standard deviations below the mean? g
The score located 2 standard deviations below the mean is 100. This score can be found by subtracting 2 standard deviations (20) from the mean (120).
The normal distribution is a bell-shaped curve that is symmetrical around the mean. This means that if you calculate the number of standard deviations away from the mean, you can use the same number to calculate how many standard deviations away from the mean the score is.
For example, in this question, the mean is 120 and the standard deviation is 10. To find the score located 2 standard deviations below the mean, subtract 2 standard deviations from the mean. This means the score is 120 - 20 = 100.
In general, the formula for calculating the score located x standard deviations away from the mean is:
Score = Mean + (x * Standard Deviation)
For example, to find the score located 4 standard deviations away from the mean, the formula is:
Score = Mean + (4 * Standard Deviation)
In this example, the score is 120 + (4 * 10) = 160.
In summary, to find the score located x standard deviations away from the mean, use the formula:
Score = Mean + (x * Standard Deviation)
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in a survey, 130 out of 250 students said that they played video games. what percent of the students played video games? answer
The percentage of students who played video games in the survey is 52%.
To find this percentage, we first need to calculate the fraction of students who played video games. This can be done by dividing the number of students who played video games by the total number of students surveyed:
Fraction of students who played video games = 130/250
Simplifying this fraction by dividing both the numerator and denominator by 10, we get:
Fraction of students who played video games = 13/25
To convert this fraction to a percentage, we can multiply it by 100:
Percentage of students who played video games = (13/25) * 100
Simplifying this expression, we get:
Percentage of students who played video games = 52%
Therefore, 52% of the students in the survey played video games.
Hence, to find the percentage of students who played video games in a survey, we divide the number of students who played video games by the total number of students surveyed and then multiply the resulting fraction by 100 to get the percentage.
In this case, 130 out of 250 students played video games, so the percentage is 52%.
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joe scored in the 20th percentile on a standardized test. he brags to his friends that he scored better than 80% of the people who took the test. joe is .
Joe is incorrect in claiming that he scored better than 80% of the people who took the test.
The 20th percentile means that Joe's score was equal to or greater than 20% of the other test takers, but lower than 80%. The percentile is not a percentage, so the statement Joe made is false.
It is important to understand that percentile rankings are not the same as percentages. Percentile rankings measure how one’s score compares to others who have taken the same test. For example, if Joe scored in the 20th percentile, it means that 20% of the other test takers had the same or lower scores. On the other hand, percentages measure a proportion of the whole. In Joe's case, 80% would mean that 80 out of 100 test takers had a higher score than Joe.
To be more accurate, Joe could have said that he scored better than 20% of the people who took the test. Percentile rankings are often used to measure an individual's performance in comparison to a larger group of peers. Although Joe might have performed well, it is important to understand the difference between percentile and percentage.
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Hudson is a waiter at a restaurant. Each day he works, Hudson will make a guaranteed wage of $30, however the additional amount that Hudson earns from tips depends on the number of tables he waits on that day. From past experience, Hudson noticed that he will get about $13 in tips for each table he waits on. How much would Hudson expect to earn in a day on which he waits on 18 tables? How much would Hudson expect to make in a day when waiting on t tables?
The total amount of money earned by Hudson in a day on which he waits on 18 tables is $264.
The total amount of money earned by Hudson in a day on which he waits on t tables is $(30 + 13t).
How to determine Hudson's earnings in a day on which he waits on 18 tables?Based on the information provided above, we can logically deduce that a linear equation that models the total amount of money earned by Hudson at this restaurant is represented by the following function:
y = 30 + 13t
Where:
t represent the number of tables he waits on that day.y represent the total earnings.When the number of tables he waits on that day is equal to 18, Hudson's total earnings can be calculated as follows;
y = 30 + 13t
y = 30 + 13(18)
y = $264.
When the number of tables he waits on that day is t tables, Hudson's total earnings can be calculated as follows;
y = 30 + 13t = $(30 + 13t).
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