3 years ago

Simplify 3z + 4z +4 -2 -5z when Z=8

Mathematics

2 answers:

Elis [28]3 years ago

5 0

Answer:

Step-by-step explanation:

When z=8

Substitute 8 wherever u see z

3(8)+4(8)+4-2-5(8)

24+32+4-2-40

Ber [7]3 years ago

3 0

Answer:

Step-by-step explanation:

3z + 4z +4 -2 -5z

Combine like terms

3z + 4z -5z +4-2

2z+2

Let z=8

2*8 +2

16+2

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2 years ago

A wooden crate half full of oranges weighs 6.9 pounds.if the crate is only 1/3 full of oranges the crate weighs 1.8 pounds less

kirill [66]

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2 years ago

18x = ~36?

FromTheMoon [43]

Answer:

from the picture the answer is D.

Step-by-step explanation:

$2 \ti4mes \f7rac{?}{?}$

to find x subtract 18x from 4x which will give you -14x=-36

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2 years ago

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Galina-37 [17]

Answer:

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Step-by-step explanation:

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3 years ago

The volume of a right triangular prism is 72 cubic feet. The height of the prism is 9 feet. The triangular base is an isosceles

Maslowich

Answer:

<h2>The area of the triangular base = 8 ft²</h2>

Step-by-step explanation:

The formula of a volume of a prism:

$V=A_BH$

$A_B-area\ of\ a\ base\\H-height$

We have

$V=72\ ft^3,\ H=9\ ft$

Substitute:

$72=9A_B$ <em>divide both sides by 9</em>

$8=A_B\to A_B=8\ ft^2$

3 0

2 years ago

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