2 years ago

The sum of two numbers is 40 . One number is 4 times as large as the other.

1 answer:

3 0

<span>x+4x=40. 5x=40. x=40\5. x=8 8 is one of the numbers. To find the other number we must multiply 8 by 4 which equals to 32. so the numbers are 8 and 32. check - 8+32=40.</span>

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What is the answer if x=2? -3x^2+14x-2

KIM [24]

Simple...

you have: x=2 --->>> $-3x^{2} +14x-2$

plug it in-->>>

$-3(2)^{2} +14(2)-2$

=14

Thus, your answer.

5 0

2 years ago

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Its worth helping xd

nata0808 [166]

Answer:

$c)\ 2\frac{4}{10}$

Step-by-step explanation:

$5\frac{1}{5}-2\frac{8}{10} \\\\5\frac{2}{10}-2\frac{8}{10} \\\\\frac{52}{10}-\frac{28}{10} \\\\ \frac{24}{10} \\\\2\frac{4}{10}$

Hope this helps!

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2 years ago

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Naily [24]

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Answer: x = 126, x-30 = 96

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2 years ago

LenKa [72]

The answer would be C because they say if 3 new students arrived each year.

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Zigmanuir [339]

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3 years ago