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dexar [7]
4 years ago
9

Jen exercises 30 minutes each day on Monday, Wednesday, and Friday. She practices yoga for 45 minute on Tuesday. How many hours

per week does Jen spend exercising and practicing yoga?
Mathematics
1 answer:
Mice21 [21]4 years ago
7 0

Answer:

2 1/4 hours or 2.25 hours or 9/4 hours. This depends on your choices.

Step-by-step explanation:

Exercises

30 minutes = 1/2 hour

3* 1/2 = 3/2 hours

Yoga

45 minutes = 45 minutes / 60 minutes//hour = 3/4 hour

Total

3/2 + 3/4 = 6/4 + 3/4 = 9/4

9/4 = 2 1/4 hours.

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If f(x) = -3x – 9 and g(x) = (x+7,<br> what is (fºg)(-6)?<br> Helppp
Fiesta28 [93]

Answer:

-12

Step-by-step explanation:

we know that

(fºg)(x)=f(g(x))

To find out the composite function f(g(x)) substitute the variable x in the function f(x) by the function g(x)

we have

f(x)=-3x-9

g(x)=x+7

so

f(g(x))=-3(x+7)-9

For x=-6

substitute

f(g(-6))=-3(-6+7)-9

f(g(-6))=-3(1)-9

f(g(-6))=-12

6 0
3 years ago
2(x - 25) = 112<br> QUICK HELP
Sonja [21]

Answer:

81

Step-by-step explanation:

2(x - 25) = 112

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x - 25 = 56

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x = 81

6 0
3 years ago
Change 26 out of 40 to a percentage
GenaCL600 [577]

Answer:

65

Step-by-step explanation:

26 divided by 40 then multiply by a hundred

6 0
3 years ago
4x-5y=0<br> 8x+5y=-60 <br> what is the answer by substitution or elimination?
yuradex [85]
The answer is -5, -5 added by 5 cancels each other out. Then when you add 4x + 8x, you get 12x. So when you do 12x= -60, you get -5.

7 0
3 years ago
You are given that cos(A)=−45, with A in Quadrant III, and cos(B)=15/17, with B in Quadrant I. Find cos(A+B). Give your answer a
skad [1K]

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Step-by-step explanation:

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