MATHEMATICS HIGH SCHOOL

Angela spent 6 hours working and made $87. What is her hourly rate?A. $17 1/4 per hour
B. $18 1/2 per hour
C. $14 1/2 per hour
D. $15 per hour

Answers

Answer 1
Answer: To find how much Angela made per hour, then we need to divide the total amount made by the hours spent working.

$87 / 6hrs = $14.50/hr

The answer is C.

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Jessica can run 7.5 miles in 1 hour. how many minutes does it take her to run each half mile

Answers

it still would 7.5 even tho its divied by 1

What is the next term in the sequence 7,12,17,22,...

Answers

27
Because there is a common difference of 5 (it is an arithmetic sequence)
27, because if you see the pattern, its adding 5 and 7 + 5=12 and 12+5=17 lastly 17+5=22 so when you add 22 plus 5 you get 26

Kathie was buying materials for a quilt. She bought 4.5 yards of padding, 7.5 yards of cotton, and 4.95 yards of red trim. She also bought some black trim and some white trim. She bought 4 times as much black trim as she did red trim and 3 times as much white trim as red trim. How many yards of trim did Kathie buy for her quilt?

A.
the amount of black trim purchased

B.
the total amount of padding, cotton, and trim that Kathie bought

C.
the difference between the amount of padding and the amount of cotton that Kathie bought

Answers

i think that the answer would be C.

hope i helped

What is 5-1???????????????????????????????

Answers

Answer : 4


I hope that's help !
Oh i know this, its 4!!

Factor x^2 + 4xy - 12y^2

Answers

\star x^2 + 4xy - 12y^2 

\star Factor \ with \ quadratic \ formula 

\star a=1, \ b=4y \ and \ c=-12y^2. 

\star (x-2y)(x+6y)

By exercising regularly, Abby was able to improve her running right this year. Last year, Abby ran a mile in 12 minutes. This year she could run a mile in 10 minutes. By what percent did Abby decrease her running time?

Answers

Answer:

She decreased her running time at a rate of 16.67%

Step-by-step explanation:

In this question, we are asked basically to calculate the percentage decrease in Abby’s running time.

Mathematically, the percentage decrease equals: (new running time - old running time)/old running time * 100%

We input the values and proceed as follows:

Percentage decrease = (10-12)/12 * 100

-2/12 * 100/1 = -1/6 * 100 = -16.67%

Since it’s a decrease, we just simply say that her running time decrease by 16.67%
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