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The correlation coefficient r between a child’s age, x, and the number of minutes spent doing homework each day, y, is 0.694. What percent of the variation in the number of minutes doing homework cannot be explained by differences in the children’s ages?

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A builder has bought a plot of land on which he will build a house. The plot is a rectangle with an area of 50,000 square feet. The following coordinates have been marked on a coordinate plane by the builder; (60, 60), (60, 110), and (160, 110). What is the coordinate of the fourth vertex of the rectangle plot?

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Claudia is making a gelatin dessert for a party.She plans on making 12 servings for every 5 people. If each pan Claudia uses to make the dessert holds 8 servings, what is the minimum number of these pans that she needs in order to make enough to feed 10 people?

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The distance from a driveway to the clostest house is 12,672 feet. how far i it in miles?

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A local charity held a crafts fair selling donated, handmade items. Total proceeds from the were $1,380. A total of 72 items were sold, some at $15 each and the rest at $25 each. Let x be the number of $15 items and y the number of $25 items. How many items sold $25?

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X is a number.It is divided by 3,and 5 is subtracted from the result.The new result is then multiplied by 7.If the final answer is 28,what number is X?

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Rewrite the equation in slope-intercept form: 2x+y=6

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Your friend’s heart rate beats 18 times in 15 seconds when at rest. While running, your friend’s heart beats 25 times in 10 seconds. Find the heart rate in beats per minute at rest and while running. How many more times does your friend’s heart beat in 3 minutes while running than while at rest?

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Which of the following lines is parallel to the graph of 5x+2y=8? a) 2x+5y=3 b) 5x-2y=6 c) -10x-4y=7 d) -10x+4y=9

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Please help! Thank you… The measure of one angle is thirteen less than five times the measure of another angle. The sum of the measures of the two angles is 140 degrees. Determine the ,measure of each angles.

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The equation of the vertical asymptote for the function y = log(x-3)+2 is a. x=2 b. x=0 c. x=-3 d. x=3

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How do I solve this y=5x +10 (2,14)

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What’s 35,885 +2500 answer that my homework

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Hi, i need help with these questions! 8. Factor 54a+24b. (That’s all it says, if you need the multiple choice answers, ill comment them) 9. Which of the following expressions is equivalent to 6(5+3x)? (if you need multiple choice answers ill comment)

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The statement formed when an equal sign is placed between two expressions is called an _______.

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One year, a group of doctors held a fundraiser and sent $35,885 to a clinic in need of support. Each year after that, the doctors sent another $2500 After how many years will the total amount sent by the doctors first exceed $250,000?

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Help please, thanks. If you can describe how to solve it then that would be very helpful. But if you can’t then no worries.

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6x – 8 over 7 =-1 please help answer and tell how you got the answer.

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Write a real world situation that can be represented by the equation 2(n+20)=110.

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On the fastest​ speedways, some drivers reach average speeds of 2 miles per minute. Write a formula that gives the number of miles M that such a driver would travel in x minutes. How far would this driver travel in 35 minutes?

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Of the service calls Mike revives, 40% are for air conditioners and 1/5 are for heaters. What percent represents the amount of all other calls?

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Hi, i need help with this question on a homework packet! Find the least common multiple of each set of numbers, 7,4,10,12 It has multiple choice if it will help you! A. 12 B. 120 C. 2 D. 60 Thanks!

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What is this answer 9=4a+13

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As a member of a music club, you can order CDs for $14.99 each. The music club also charges $4.99 for each shipment. The expression 14.99n + 4.99 represents the cost of n CDs. Find the total cost of ordering 7 CDs. (25 points for this question :3)

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5/9x = -10 please help

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Natalie had some marbles. She gave 1/3 of them to her brother,who kept 12 marbles for himself and gave the rest to 5 friends.If each friend received 7 marbles, how many marbles did Natalie have at firts?

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A jacket is on sale for $15 off. As part of a one-day sale, a 20% discount is applied to all purchases. If x represents the original price of the jacket, which expression represents the final price of the jacket during this sale?

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The area of Mr. Harrison’s rectangular vegtable garden can be reresented with the expression 8x + 16. Using the distrubutive Property, rewrite 8x + 16 as the product of the width (4 meters) and the length. Explain. —————————————– | | | | 4 meters | | | | —————————————– ?

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Solve for y: 12x – 2 (y-1) =10

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Adam makes coffee tables as his hobby. It costs him $85 to make one table. His fixed costs are $520. If he can sell his tables for $125, then how many must he sell to break even? A. 7 B.13 C.15 D.26

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