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3 years ago

8

Of the number of students in the cafeteria, 40% are girls. There are 20 girls in the cafeteria how many students are in the cafe

teria

1 answer:

Yuki888 [10]3 years ago

3 0

Answer:

34214

Step-by-step explanation:

vdsGFDcxvbg

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slamgirl [31]

Here,

2x^2 + 7x + 1 = 0

given,

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From formula,

x = (-b+-√b^2-4ac) / 2a.

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3 years ago

Sam drove 754 miles in 13 hours, at the same rate how many miles would he drive in 9 hours

VARVARA [1.3K]

Divide 754 by 13 and you get 58
Now multiply by 9 and you get 522 miles.

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3 years ago

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Bill paid $45.35 in tax on a laptop that cost $589. About what percent sales tax did Bill pay?

Softa [21]

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Step-by-step explanation:

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3 years ago

What is the domain of the function?

Mazyrski [523]

Answer: The answer is <em><u>-2</u></em>

Step-by-step explanation:

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2 years ago

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I need help with this problem.<br> x3+4x

Yuki888 [10]

Answer: x=0 x=2i x=-2i

if your factoring: x(x^2+4)

Step-by-step explanation:

(if your solving for x)

$x^{3} +4x\\x(x^{2} +4)\\\\x=0\\\\x=\frac{-b}{2a}\frac{+}{-} \frac{\sqrt{b^2-4ac}}{2a} \\\\x=\frac{0}{2}\frac{+}{-} \frac{\sqrt{0^2-16}}{2} \\x={0}}\frac{+}{-} \frac{\sqrt{-16}}{2} \\$

$x={0}}\frac{+}{-} \frac{4i}{2} \\\\\\x=\frac{+}{-}2i$

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1 year ago