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Vera_Pavlovna [14]
2 years ago
13

Please help im in a rush

Mathematics
1 answer:
serious [3.7K]2 years ago
6 0

Answer:

a)

Surface Area: 172 cm^2

Volume: 112 cm^3

b) Surface Area

c) Volume

Step-by-step explanation:

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5(2x+6)=-4(-5-2x)+3x step by step
Oksi-84 [34.3K]

Answer:

x = 10

Step-by-step explanation:

Okay, let's solve :)

So first we have to distribute on the left side(it doesn't matter which side FYI)

When we do, we have :

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Now we distribute on the right side! Remember, negative * negative = positive.

10x + 30 = 20 + 8x + 3x

Let's simplify on the right side to

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5 0
3 years ago
If K = (AB)/(A+B) , then B = ?
marysya [2.9K]

Lets do

\\ \sf\longmapsto K=\dfrac{AB}{A+B}

\\ \sf\longmapsto \dfrac{1}{K}=\dfrac{A+B}{AB}

\\ \sf\longmapsto \dfrac{1}{K}=\dfrac{1}{A}+\dfrac{1}{B}

\\ \sf\longmapsto \dfrac{1}{B}=\dfrac{1}{K}-\dfrac{1}{A}

\\ \sf\longmapsto \dfrac{1}{B}=\dfrac{K-A}{AK}

\\ \sf\longmapsto B=\dfrac{AK}{K-A}

6 0
3 years ago
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