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Dennis_Churaev [7]
3 years ago
8

Cheryl drove 4 hours at a constant rate to travel 160 miles. At what rate did she drive? A. 20 mph B. 35 mph C. 40 mph D. 72 mph

Mathematics
2 answers:
Basile [38]3 years ago
6 0

Answer:

40 mph

Step-by-step explanation:

We know Cheryl drove 40 mph for 4 hours because 160/ 4 is equal to 40.

erik [133]3 years ago
5 0

Answer:

40 mph

Step-by-step explanation:

you take your miles 160 and divide them by 4 which is going to be 40

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he graph shows f(x) = [1/2]^x and its translation, g(x). Which describes the translation of f(x) to g(x)? translation of four un
Annette [7]

Answer by YourHope:


Hi! :)


The graph shows f(x) = [1/2]^x and its translation, g(x). Which describes the translation of f(x) to g(x)?


Translation of four units up! The f(x) function cannot possibly be f(x)=1/2, though, because that would be a horizontal line through y = 1/2 and that function is clearly not a horizontal line.  So whatever f(x) is really, add 4 to the tail end of it to show its translation!


:)

6 0
4 years ago
The function f(x) = 200(0.5)x/50 models the amount in pounds of a particular
victus00 [196]

<u>Answer:</u>

29 years

<u>Step-by-step explanation:</u>

  • Given the function f(x)= 200(0.5)^{\frac{x}{50} }, where x stands for the number of years since the material was put into the vault, we can plug 140 into x to find the amount leftover.
  • Another way of doing this is to change the function to f(x)=200(0.5^{\frac{1}{50} })^{x} which are equivalent functions, and then plug 140 into x. This function is helpful if you also needed to find the rate.
  • I'll use the 1st function because the question doesn't ask for the rate

f(x)= 200(0.5)^\frac{140}{50}}

From here I'll just use a calculator & get 28.7, or 29 years.

4 0
2 years ago
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