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3 years ago

Please help nobody's been answering this is urgent!!! find the value of x and y

Mathematics

1 answer:

eduard3 years ago

5 0

Answer:

Step-by-step explanation:

Set 5x+6 equal to 7x+4 and solve for x

x=1

11+y+6=180

y=180-17 which you know

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Please explain what mark up is to me. Keep it simple

iogann1982 [59]

Hey there!

Markup is the percentage that the cost of an item is increased.

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I hope this helps!

8 0

3 years ago

3 fewer than a number squared and four

grigory [225]

Answer:

( $n^{2}$ +4)-3

Step-by-step explanation:

since it says "and four" i think it means it is in parenthesis

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3 years ago

Read 2 more answers

71x28 explain your reasoning

erastovalidia [21]

Answer:

1988.

Step-by-step explanation:

71 x 28

= 71 x 8 + 71 x 20.

= 568 + 1420

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4 years ago

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find the volume of the smallest right circular cylinder that will hold a sphere whose radius is 4 meters. find the volune of the

Sonja [21]

$\bf \textit{volume of a sphere}\\\\
V=\cfrac{4\pi r^3}{3}\quad 
\begin{cases}
r=radius\\
------\\
r=4
\end{cases}\implies V=\cfrac{4\pi 4^3}{3}\implies V=\cfrac{256\pi }{3}\\\\
-------------------------------\\\\
\cfrac{sphere}{cylinder}\qquad \cfrac{2}{3}\impliedby ratio~thus\implies \cfrac{2}{3}=\cfrac{\stackrel{sphere}{v}}{\stackrel{cylinder}{v}}
\implies 
\cfrac{2}{3}=\cfrac{\frac{256\pi }{3}}{v}
\\\\\\
v=\cfrac{3\cdot \frac{256\pi }{3}}{2}\implies v=\cfrac{256\pi }{2}\implies v=128\pi$

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4 years ago

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Elena-2011 [213]

Answer:

c,d

Step-by-step explanation:

7 0

2 years ago