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dimulka [17.4K]
2 years ago
15

Pls help What is side AC

Mathematics
1 answer:
Maslowich2 years ago
4 0

Answer:

tan●=opposite/adjacent

tan70=AC/3

AC=3tan70

AC=8.24

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Solve for x. Make sure to show all your work. 21=3(x+6)
ziro4ka [17]

Answer:

1 is correct answer

Step-by-step explanation:

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A rectangular prism has a dimension x units ,2x units and x+8 units . Which expression represents the surface area of the prism
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Formula to find the surface area of the rectangular prism is:

2wl + 2lh + 2hw,

where w is width, l is the length, and h is height of the prism.

Given, the dimension x units ,2x units and x+8 units .

So, we can plug in w= x, l= 2x and h= x+8 in the above formula to get the expression for the surface area of the prism. Hence,

Surface area= 2wl + 2lh + 2hw

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= 4x²+4x(x+8)+2x(x+8) (By multiplying)

= 4x²+4x²+32x+2x²+16x (Multiplying by distribution)

=(4x²+4x²+2x²)+(32x+16x ) (Making the groups of like terms)

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So, the expression 10x²+48x units² represents the surface area of the given prism.

5 0
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stira [4]
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8s⁶r³ - 5r⁵s⁴ + r⁴s⁵ - 5r³s⁶
5 0
3 years ago
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leva [86]
20 divided by 5 = 4
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5 0
2 years ago
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