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pychu [463]
3 years ago
6

Shareen walked a total of 8.96 miles in a walk-a-thon. If her average speed was 2.8 miles per hour, how

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
3 0

Answer:

3 hours and 12 minutes

Step-by-step explanation:

8.96 ÷ 2.8= 3.2

I know that 2/10 of 60 is 12

3.2= 3hrs & 12 mins

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Kim’s hair grows a half inch per month. How many months will it take for her hair to grow 12 inches?
Contact [7]

Answer:

24 months

Step-by-step explanation:

Cross-multiply

0.5 inches -------------- 1 month

12 inches ---------------- x months

0.5/12 = 1/x ===> 0.5x = 12 ===> x = 12/0.5  ===> x = 24 months

3 0
2 years ago
Find the missing term (x^12)^5 x (x^-2)^9 x what =(x^40)^5
Annette [7]

Answer:

x^{158}

Step-by-step explanation:

We are given,

(x^{12} )^{5} \times (x^{-2} )^{9} \times y = (x^{40} )^{5}.

It is required to find the value of y.

Now, on simplifying above equation, we get,

x^{60} \times x^{-18} \times y = x^{200}

i.e. x^{42} \times y = x^{200}

i.e. y = x^{200} \times x^{-42}

i.e. y = x^{158}

Hence, the missing term is x^{158}.

3 0
3 years ago
Read 2 more answers
the imax screen at the michigan science center is 22 meters wide and 16.1 meters tall. what is diagonal length of the screen? us
Fudgin [204]
Hypotenuse therom ( a^2 + b^2 = c^2)

1) find c^2

22^2 + 16.1^2= c^2 ———->743.21

2) square root c^2 to find c

square root of 743.21 = 27.2 so D
4 0
1 year ago
Explain why x=4 is not in the domain of the function f(x)=√x-5 ?
lianna [129]

Since we are dealing with a radical then x - 5 ≥ 0, for real values

x = 4 is less than 5 , hence is not in the domain




6 0
2 years ago
What is the diameter of a 2m circle?
Varvara68 [4.7K]

Answer:

If 2m is the radius, the diameter is 4 meters.

2*2=4

6 0
2 years ago
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