2 years ago

Answer number 20 plz (geometry)

Mathematics

1 answer:

zhenek [66]2 years ago

4 0

Same homework I have.super hard!!!

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The sum of 9 is multiplied by -2 and the answer is 90. find my number

OLga [1]

The number is 45 because 9 times 5 is 45 times -2 is 90

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3 years ago

3x + 2(4x - 4) = 3 HELPPPPPPPP!!!!!!!

PilotLPTM [1.2K]

Answer:

x=1

Step-by-step explanation:

Use the distributive property on 2(4x - 4), which makes the equation 3x+8x-8=3

Simplify, which makes the equation 11x-8=3

Add 8 to both sides, which makes the equation 11x=11

Divide both sides by 11, which makes the equation x=1

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3 years ago

What is the slope between (-4,0) and (0,2)

djverab [1.8K]

Answer:

The Slope is 1/2

Step-by-step explanation:

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3 years ago

Read 2 more answers

Round each number to the underlined place. 4.6666 The third 6 is underlined

Nadya [2.5K]

Hello There!

It would be 4.667.

Hope This Helps You!
Good Luck :)

3 0

3 years ago

Someone please HELP!?

jeka94

A negative exponent just means that the base is on the wrong side of the fraction line, so you need to flip the base to the other side.

For example

$x^{-2}=\frac{1}{x^2}$

or

$( \frac{2}{5} )^{-4}=( \frac{5}{2} )^4$

***************************************
$(8r^{-5})^{-3}$

$(8* \frac{1}{r^5} )^{-3} \\\\( \frac{8}{r^5} )^{-3}
 \\ \\ ( \frac{r^5}{8} )^3
\\\\ \mathrm{Apply\:exponent\:rule}:\quad *\left(\frac{a}{b}\right)^c=\frac{a^c}{b^c} \ \ \ \ \ \ \ \ \ \ \ \ *(a^b)^c=a^{bc}
 \\\\( \frac{r^{15}}{8^3} )
\\\\( \frac{r^{15}}{512} )$

The answer is "D"

7 0

2 years ago