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pav-90 [236]
3 years ago
9

Please answer it correctly and please show work please help me I need it

Mathematics
1 answer:
tamaranim1 [39]3 years ago
4 0

Answer:

the equation is

y = 0.75x

And,  the constant of proportionality is 0.75

Step-by-step explanation:

The computation is shown below:

Given that

4y = 3x

And,

12y = 9x

Here the equation that represent proportional relationship is

4y = 3x

Divide both sides by 4

y = 3x ÷ 4

Now

12y = 9x

divides both sides by 12

y = 9 ÷ 12x

y = 3 ÷ 4x

y = 0.75x

so the equation is

y = 0.75x

And,  the constant of proportionality is 0.75

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What is the length of YZ?
Bogdan [553]

Answer: C

Hello,

Step-by-step explanation:

WZ=7-3=4

YW²=XW*WZ=3*4=12 ==> WY=2√3

In the right triangle YWZ, using the Pythagorean's theorem:

YZ²=WY²+WZ²=12+4²=28

YZ=2√7≅5.29150....

Answer C

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3 years ago
The girls and boys' basketball teams sponsored a car wash that made $109. There were twice as many girls as
V125BC [204]

Answer:

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Girls 2x

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Solution:

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r=\sqrt{8^{2}+6^{2}}

r=\sqrt{100}

r = 10

Now, find θ:

$\tan \theta=\frac{y}{x}

$\tan \theta=\frac{6}{8}

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$\tan \theta=\frac{3}{4}

$\theta=\tan^{-1} \left(\frac{3}{4}\right)

θ = 36.87°

The polar coordinates are (r, θ) = (10, 36.87°).

6 0
3 years ago
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Answer:

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Step-by-step explanation:

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