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3 years ago

Jackson drove 1,080 miles in 20 hours. What was his speed in miles per hour?

Mathematics

1 answer:

Darina [25.2K]3 years ago

4 0

Answer:

54mph

Step-by-step explanation:

To find the speed in "miles per hour" or miles/hour, divide the number of miles by number of hours.

1080 miles/20 hours

= 54miles/hour

His speed is 54 miles per hour.

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irina1246 [14]

Answer:

First, enter x as 0.

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3 years ago

Evaluate (−23)×(−23)3 by using the Laws of Exponents

Nikolay [14]

Given:

$\left(-\dfrac{2}{3}\right)\times \left(-\dfrac{2}{3}\right)^3$

To find:

The value of given expression by using the Laws of Exponents.

Solution:

We have,

$\left(-\dfrac{2}{3}\right)\times \left(-\dfrac{2}{3}\right)^3$

Using the Laws of Exponents, we get

$=\left(-\dfrac{2}{3}\right)^{1+3}$ $[\because a^ma^n=a^{m+n}]$

$=\left(\dfrac{-2}{3}\right)^{4}$

$=\dfrac{(-2)^4}{(3)^4}$ $[\because \left(\dfrac{a}{b}\right)^n=\dfrac{a^n}{b^n}]$

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Therefore, the value of given expression is $\dfrac{16}{81}$ .

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2 years ago

20 is what percentage of 25

Kay [80]

20 is 80% of 25.

20/25= 0.8

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3 years ago

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Confused at "Evaluate the algebraic expression 6g - 11 for g = – 5". How am I supposed to evaluate?

Varvara68 [4.7K]

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