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3 years ago

7th grade math help me plzzzzz

Mathematics

2 answers:

Fittoniya [83]3 years ago

6 0

Sorry either 1 or 2.

sesenic [268]3 years ago

3 0

2 maybe i have no idea sorry

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Find the distance if A(2,3) B(4,5)

Ainat [17]

Hii!

=====================================

$\leadsto\mid\boldsymbol{-Answer-}\mid\gets$

Distance =

$\leadsto\mid\boldsymbol{-Explanation-}\mid\gets$

Use the distance formula, which is.

$\sf d=\sqrt{(x2-x1)^2+(y2-y1)^2}$

Plug in the values.

$\sf d=\sqrt{(4-2)^2 +(5-3)^2$

Simplify.

$\sf d=\sqrt{2^2+2^2}$

Simplify.

$\sf d=\sqrt{8}$ .

Decimal Form. 2.828427...

Great job!

Hope that this helped! Best wishes.

$\textsl{Reach far. Aim high. Dream big.}\\\boldsymbol{-Greetings!-}$

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2 years ago

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Y + 4/9 = 2/3 Solve the equation..

emmainna [20.7K]

Y + 4/9 = 2/3

Let's convert 2/3 into 6/9 so it will be easier to subtract.

Y + 4/9 = 6/9
Subtract 4/9 on both sides.

Y = 2/9 Hope this helps!

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3 years ago

1. William earns $134,644.80 per year, and has his federal taxes withheld from each weekly check. In addition, a total of $53.60

SashulF [63]

I only have the answer for 3 and i believe it is 20,090

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3 years ago

What is 37% of 293? Plz help me people this is for tomorrow

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108.41 i pretty sure

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3 years ago

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An oil tank has to be drained for maintenance. The tank is shaped like a cylinder that is 5 ft long with a diameter of 1.8 ft .

dangina [55]

$\bf \textit{volume of a cylinder}\\\\
V=\pi r^2 h\qquad 
\begin{cases}
r=radius=\frac{diameter}{2}\\
h=height\\
----------\\
diameter=1.8\\
r=\frac{1.8}{2}=0.9\\
h=5
\end{cases}\implies V=\pi \cdot 0.9^2\cdot 5\\\\
-------------------------------\\\\
\textit{is draining at }\boxed{2.1}\ \frac{ft^3}{min}\textit{ , it has a total of }\boxed{\pi \cdot 0.9^2\cdot 5} \ ft^3
\\\\\\
\textit{it'll take }\cfrac{\pi \cdot 0.9^2\cdot 5}{2.1}\ minutes$

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3 years ago