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3 years ago

12

Hi this is a really easy question

1 answer:

Llana [10]3 years ago

5 0

The answer is the third one

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-8x2(x+8)=8(2+6) how do i solve this and 4n+3/2=2n-5/1?

Marat540 [252]

1) $-8x^2\left(x+8\right)=8\left(2+6\right)$

$-8x^3-64x^2=64$

$-8x^3-64x^2-64=64-64$

$-8x^3-64x^2-64=0$

$-8x^2+0.97035\dots x-7.88051\dots \approx \:0$

$x\approx \:-8.12129\dots$

2) $4n+\frac{3}{2}=2n-\frac{5}{1}$

$4n+\frac{3}{2}=2n-5$

$4n+\frac{3}{2}-\frac{3}{2}=2n-5-\frac{3}{2}$

$4n=2n-\frac{13}{2}$

$4n-2n=2n-\frac{13}{2}-2n$

$2n=-\frac{13}{2}$

$\frac{2n}{2}=\frac{-\frac{13}{2}}{2}$

$n=-\frac{13}{4}$

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3 years ago

*PLEASE ANSWER FAST*

raketka [301]

Answer:

B

Step-by-step explanation:

Cross multiplication :)

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-2/3 x 3/4<br> Please help!

geniusboy [140]

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Step-by-step explanation:

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What is the value of d?

jolli1 [7]

Answer:

Hello! answer: d = 40

Step-by-step explanation:

This is a supplementary angle

Meaning it will add up to 180 degrees

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90 + 50 = 140

180 - 140 = 40 therefore. d = 40 hope that helps!

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How many ounces in a gallon

almond37 [142]

1 us liquid gallon =

127.998 us fluid ounces

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