3 years ago

David drove 236 miles in 4 hours. On average how fast did he drive, in miles per hour?

Mathematics

1 answer:

Kay [80]3 years ago

4 0

David drove at about 59 mph!

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The circumference of a circle is 26 pi what is the area in square inches of the circle

melisa1 [442]

circumference=

$2\pi \: radius$

$26\pi = 2\pi \: raduis \:$

$\frac{26\pi}{2\pi} = raduis$

radius = 13

area of circle =

$\pi {raduis}^{2}$

area of circle=

$\pi {13}^{2}$

area of circle=

$169\pi$

8 0

3 years ago

What is 3 5/8 ÷14 please answer this

MissTica

Answer:

29/112

Step-by-step explanation:

3 5/8=29/8

(29/8)/14

(29/8)(1/14)=29/112

5 0

3 years ago

Estimate the sum or difference 4/5+18/20 A 1 B 1 ,1/2 C 2

const2013 [10]

Answer:

C 2

Step-by-step explanation:

4/5+18/20=1.7

Round that up it’s 2

6 0

3 years ago

How do you decide if a decimal is a rational number?

Bogdan [553]

You decide if it has a pattern if it is a repeating pattern then it is a rational number decimal however if it a decimal with no pattern it is irrational

6 0

3 years ago

What represents the inverse of the function f(x)=4x

Yuki888 [10]

Answer:

$\frac{x}{4}$

Step-by-step explanation:

The given function is

f(x) = 4x

As we know

f(x) = y, which implies x= $f^{-1} (y)$

Therefore,

y = 4x

x = $\frac{y}{4}$

as x= $f^{-1} (y)$

So,

$f^{-1} (y) = \frac{y}{4}$

replacing y by x in the above expression

$f^{-1} (x) = \frac{x}{4}$

So our inverse function is $\frac{x}{4}$

4 0

3 years ago