2 years ago

Wes rode his bike 30miles in 3 hrs what is the average speed

Mathematics

1 answer:

Effectus [21]2 years ago

3 0

If you just divide the 30 miles by the 3 hours then he was going 10 miles per hour.

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If f(x)=(1/8)(8^x) what is f(3)? A. 1/512 B. 1/64 C. 512 D. 64

cestrela7 [59]

Hi there!

Let's solve this problem step by step!
$f(x) = \frac{1}{8} (8 {}^{x})$

To find f(3) we must substitute x = 3 into the formula.
$f(3) = \frac{1}{8} (8 {}^{3} )$

Now we use PEMDAS (Parenthesis, exponents, multiply, divide, add, subtract) to find our answer.

Work out the exponents inside the parenthesis first.
$f(3) = \frac{1}{8} \times 512$

And finally multiply.
$f(3) = \frac{1}{8} \times \frac{512}{1} = \frac{512}{8} = 64$

Hence, the answer is D. 64.
~ Hope this helps you!

4 0

2 years ago

Read 2 more answers

Pls help I will mark brailiest

Elena L [17]

Answer:

c,d,e

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Will give, Branliest. Thanks, :)