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MATH SOLVE
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The table shows the number of hours two groups of teens spent on science and math homework last week. Each group was made up of 10 teens. 13- to 14-year olds 10 9 11 8 10 10 2 7 8 12 15- to 16-year olds 12 10 8 11 12 12 6 4 4 10 Select from the drop-down menus to correctly complete each statement. The mean hours the groups of teens spent studying is , The range for the two groups of of teens is .
General
4 months ago
which is the directrix of parabola with equation x^2=4y
General
4 months ago
(PLEASE HELP! WILL VOTE BRAINLIEST) The table below shows four systems of equations: System 1 System 2 System 3 System 4 4x − 5y = 2 3x − y = 4 4x − 5y = 2 10x − 21y = 10 4x − 5y = 2 24x − 47y = 22 4x − 5y = 2 10x + 3y = 15 Which pair of systems will have the same solution?
General
4 months ago
If a and b are two angles in standard position in Quadrant I, find cos(a+b) for the given function values. sin a=4/5 and cos b=5/13
General
4 months ago
Use the answer from the previous task to determine P(z < −2.1).0.01790.58320.98211
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4 months ago
Julia surveyed her friends to find the number of hours they spend on homework during the week. The data from her survey is displayed in the first table. She then took a random sample of five responses from the population as shown in the second table. Compare the mean of the population with the mean of the given sample. Population Data45313223573630150436Sample Data54621What is the difference between the mean of the sample and the mean of the population?0.20.30.40.5
General
4 months ago
Use the drop-down menus to choose steps in order to correctly solve 5(z + 6) – 2 = 9z for z.
General
4 months ago
Express the series in summation notation. 2 + 4 + 6 + 8 + 10 + 12
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4 months ago
The back-to-back stem-and-leaf plot below shows the ages of patients seen by two doctors in a family clinic in one day. Compare the ages of the patients of doctor 1 and doctor 2 using the mean and the median of each data set. Doctor 1 Doctor 2 | 3 | 5 9 2 0 | 2 | 0 0 2 3 6 8 7 5 | 1 | 3 7 9 7 3 2 1 1| 0 | 2 2 3 9 Key: means 29 9|2|3 means 23I don't quite know how to do this, so if someone could guide me through it that would be nice..!
General
4 months ago
The ages of two groups of yoga students are shown in the following dot plots:A dot plot shows Age in years on the horizontal axis. For Group P, there is 1 dot on 4, 2 dots on 5, 3 dots on 7, 1 dot on 8, 2 dots on 12, 1 dot on 14, 2 dots on 16, and 1 dot on 17. For Group Q, there is 1 dot on 4, 2 dots on 6, 2 dots on 8, 1 dot on 10, 3 dots on 12, 2 dots on 14, 3 dots on 16, 1 dot on 19, 3 dots on 20, 1 dot on 21, 2 dots on 22, 1 dot on 23, and 3 dots on 24.The mean absolute deviation (MAD) for group P is 4.15 and the MAD for group Q is 5.35. Which of the following observations can be made using these data? Group P has less variability in the data. Group P has greater variability in the data. Group Q has a lower range. Group Q has a lower mean.
General
4 months ago
A chemist has a certain number of containers of liquid. Each container is labeled with the number of fluid ounces it contains. The chemist is assigning a lab assistant the task of labeling each container with the number of cups of liquid it contains.Which of the following formulas should the chemist give to the lab assistant to use for the taskIndividual Question cups = 0.125 x (fluid ounces) cups = 8 ÷ (fluid ounces) cups = 8 x (fluid ounces) cups = 8 + (fluid ounces) cups = (fluid ounces) – 8
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5 months ago
Which pairs of rectangles are similar polygons? Select each correct answer.
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5 months ago
Nicole wants to know the height of a snow sculpture but it is too tall to measure. Nicole measured the shadow of the snow sculpture's highest point to be 10 feet long. At the same time of day Nicole's shadow was 40 inches long. If Nicole is 5 feet tall, what is the height of the snow sculpture?
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5 months ago
Hideki buys 2 sweaters for $18 each. He can use one of the following coupons: Coupon 1: Buy one, get one 40% off Coupon 2: 25% off entire purchase Which coupon should Hideki use to get a better deal? Use the drop-down menus to show and explain your answer. is a better deal. Coupon 1 would result in a total cost of . Coupon 2 would result in a total cost of .
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5 months ago
One of the valves on the Hoover Dam releases 40000 gallons of water per second what is the rate in gallons per minute
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5 months ago
At the amusement park,each student is given $16 for food. This covers the cost for 2 meals plus $4 for snacks. How much money does the schools expect each student to spend per meal?
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5 months ago
LM has endpoints L(-1,1) and M(-5,-3) find the coordinates of the midpoint
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5 months ago
Nathan's lawnmower uses 2/3 of a tank of gas to cut three one-acre lawns. How many one-acre lawns can he cut with a full tank of gas?
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5 months ago
a video game sells at gamestop for $14.99. Gamestop marks the game up at 40% of the selling price. Whats the cost of the game to Gamestop
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5 months ago
NEED HELP ASAP: Abbi invested $1,000 in a certificate of deposit with a simple interest rate of 4%. Find the interest earned in 8 years. Then find the total of principal plus interest.
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5 months ago
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