2 years ago

a bus can take 20 girls at a time to school the bus makes 4 trips to take x number of girls to school find x

Mathematics

1 answer:

Arada [10]2 years ago

7 0

Answer:

Step-by-step explanation:

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Otrada [13]

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2 years ago

Luna at $50 when she got to the carnival after riding 12 rides she had twenty-six dollars left what was the price of which equat

Finger [1]

$\frac{50 - 26}{12} = x$
$\frac{24}{12} = x$
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2 years ago

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umka2103 [35]

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3 years ago

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algol [13]

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2 years ago

WILL GIVE BRAINLIEST if you explain your answer!!

mr Goodwill [35]

Answer:

x=-3

Step-by-step explanation:

You need to delete the root by ^2. First you need to leave it alone

$\sqrt{x+7}-x=5\\\sqrt{x+7}=5-x\\(\sqrt{x+7} )^{2}=(5-x)^{2} \\x+7=25+10x+x^2\\x-10x=25+x^2-7\\-9x=18+x^2\\-x^2-9x-18=0\\-1(x^2+9x+18)=0\\x^2+9x+18=\frac{0}{-1}\\x^2+9x+18=0\\(x+6)(x+3)=0\\x+6=0 ===> x=-6\\x+3=0 ===> x=-3\\Checking\\\sqrt{-6+7}-(-6)=5===>\sqrt{1}+6=7\neq5 \\\\\sqrt{-3+7}-(-3)=5===>\sqrt{4}+3=5=5\\\\So \\x=-3$

7 0

2 years ago

a bus can take 20 girls at a time to school the bus makes 4 trips to take x number of girls to school find x​

a bus can take 20 girls at a time to school the bus makes 4 trips to take x number of girls to school find x