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scoray [572]
3 years ago
13

Find the value of x?????

Mathematics
1 answer:
guajiro [1.7K]3 years ago
5 0

Answer:

its C or 121

Step-by-step explanation:

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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
The airline industry wants to better accommodate passengers whose flights are delayed by providing more amenities. Which measure
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Miles? I'm not sure that it'd be km (unless its not an american airline)
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It’s my birthday little cuties (:
Dmitrij [34]

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Step-by-step explanation:

6 0
3 years ago
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Solve the inequality. 6x + 3 > 3x + 30 A) x > 9 B) x > 11 C) x > −9 D) x > −11
ANTONII [103]

Subtract 33 from both sides

6x>3x+30-36x>3x+30−3

 Simplify 3x+30-33x+30−3 to 3x+273x+27

6x>3x+276x>3x+27

 Subtract 3x3x from both sides

6x-3x>276x−3x>27

Simplify 6x-3x6x−3x to 3x3x

3x>273x>27

Divide both sides by 3

3x>\frac{27}{3}x>

​

3x> ​27

​​  

Simplify \frac{27}{3}

​3

​

ANSWER: x>9


6 0
3 years ago
Solution in geometry
Mrrafil [7]
SAS stands for Side-Angle-Side congruence/similarity theorem

HL is Hypotenuse-Leg congruence/similarity theorem.


What's the question? lol
7 0
3 years ago
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