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Free_Kalibri [48]
3 years ago
11

If (×)=×-4 wht does f(3) represent​

Mathematics
2 answers:
mario62 [17]3 years ago
5 0

Answer:

you plug in the 3. so you get y= 3-4 which is -1

Salsk061 [2.6K]3 years ago
5 0

Answer:

-1

Step-by-step explanation:

You plug f(3) in for x because the 3 is the x.

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If Herschel walker can sprint 40 meters in 4.35 seconds, how many miles per hour is he running? Round to the nearest tenth
-BARSIC- [3]

Answer:

B) 20.6 mi/hr

Step-by-step explanation:

To solve this, we need to first convert 40 meters to mile, then convert 4.35 seconds to hour, then solve by proportion.

converting 40 meters to mile;

1 mile = 1609.344 meter

x       = 40 meters

1609.344x = 40

x = 40/1609.344

x =0.02485 mile

Then converting seconds to hour

1 hour = 3600 seconds

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3600 y = 4.35

y=4.35/3600

y =0.00121  hour

Using proportion to solve the question

Let n be the number he runs miles per hour

0.02485 mile = 0.00121  hour

  n                   = 1    hour

cross-multiply

0.00121  n =   0.02485

Divide both-side by 0.00121

0.00121  n/0.00121  =   0.02485/0.00121

n ≈ 20.6 mile/hour

Therefore, he is running 20.6 mi/hr

5 0
3 years ago
select all the correct answers. Consider the function f and function G. f(x) = ln x, g(x)= -5 ln x. How does the graph of functi
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Option C and B are correct

6 0
2 years ago
This also please and thank you for those who do decide to help me
alex41 [277]
240 for # 2 because 6 times 4 times 10 is equal to 240



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anzhelika [568]

Answer:

Yaritza will have to pay $83.50 dollars to go to the movies.

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Step-by-step explanation:

6 0
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