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3 years ago

13

Anyone good at math??

1 answer:

aalyn [17]3 years ago

3 0

I am what can i help you with?

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An air plane moves at a constant speed of 120 miles per hour for 3 hours. How far does it go?

Anvisha [2.4K]

Answer: 360

Step-by-step explanation: All you got to do is multiply 120 by 3

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3 years ago

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When 3/11 is written as a repeating decimal,which digits are repeating

BartSMP [9]

The correct answer is 27 i hope this helps

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3 years ago

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<img src="https://tex.z-dn.net/?f=%20-%203%289x%20%2B%2020%29%20%5Cgeqslant%2015x%20-%2020" id="TexFormula1" title=" - 3(9x + 20

Len [333]

Answer:

$x\le \:-\frac{20}{21}$

Step-by-step explanation:

$-3\left(9x+20\right)\ge \:15x-20\\\\\mathrm{Expand\:}-3\left(9x+20\right):\quad -27x-60\\-27x-60\ge \:15x-20\\\\\mathrm{Add\:}60\mathrm{\:to\:both\:sides}\\-27x-60+60\ge \:15x-20+60\\\\\mathrm{Simplify}\\-27x\ge \:15x+40\\\\\mathrm{Subtract\:}15x\mathrm{\:from\:both\:sides}\\-27x-15x\ge \:15x+40-15x\\\\\mathrm{Simplify}\\-42x\ge \:40\\\\\mathrm{Multiply\:both\:sides\:by\:-1\:\left(reverse\:the\:inequality\right)}\\\left(-42x\right)\left(-1\right)\le \:40\left(-1\right)$

$Simplify\\42x\le \:-40\\\\\mathrm{Divide\:both\:sides\:by\:}42\\\frac{42x}{42}\le \frac{-40}{42}\\\\Simplify\\x\le \:-\frac{20}{21}$

6 0

3 years ago

(3a^2b^4)^2(2ab^2)<br> A<br> A<br> A<br> A<br> A<br> A<br> A<br> A<br> A<br> A<br> A

nadya68 [22]

Answer:

$18a^{5} b^{10}$

Step-by-step explanation:

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3 years ago

What is y=3/8x-5<br> in a table of values

iogann1982 [59]

It is 8x-5 you replace the variable y with 3 in the expression
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4 years ago