3 years ago

Help? Please. (Svsggdgwgsshshsg)

Mathematics

2 answers:

noname [10]3 years ago

5 0

Answer:

Step-by-step explanation:

that my answer i found it

Burka [1]3 years ago

3 0

The inequality symbol in the picture stands for greater than or equal to, so 9, 11, 12 all apply in the equation

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Theo can paint a fence three times as fast as his sister can. Working together, they can paint a fence in 9 hours. How many hour

Deffense [45]

Answer:

12 hours

Step-by-step explanation:

Let Theo's siste can paint a fence in x times

Given.

Theo can paint a fence three times as fast as his sister can. Working together, they can paint a fence in 9 hours.

$\frac{1}{x}+\frac{1}{3x} =\frac{1}{9}\\\frac{3+1}{3x} =\frac{1}{9} \\\frac{4}{3x}=\frac{1}{9}$

Apply cross multiplication

$x=\frac{9\times 4}{3}\\x=\frac{36}{3} \\x=12hours$

Theo’s sister to paint the fence in 12 hours.

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3 years ago

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DochEvi [55]

Answer:

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Step-by-step explanation:

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Evgesh-ka [11]

19 because 1 ten = 10 ones and 9 one plus 10 ones equals 19 altogether

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3 years ago

If 75% of a number is 15, 15% of that number

natta225 [31]

Answer:

Step-by-step explanation:

0.75 x ? = 15

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2 years ago

How do you factor out the coefficient of 1/8x-49/8

vodka [1.7K]

Simplify 1/8x

x/8 - 49/8

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