4 years ago

This is a test don't answer it yet

Mathematics

1 answer:

Charra [1.4K]4 years ago

5 0

I just answered it...not trying to be mean

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(8x + 13y) + (10x + 15y)

NARA [144]

Answer:

18x+28y

Step-by-step explanation:

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3 years ago

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Use the diagram to answer the question.

Marysya12 [62]

I believe the answer to your question is E

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3 years ago

Find the area of the following shape. You must show all work to receive credit.

SVEN [57.7K]

Answer:

Step-by-step explanation:

A = [(3x2)/2] + [(4x2)/2] - 1/2

A = 3 + 4 - 1/2

A = 6.5

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3 years ago

The cheese club members bought 6 tickets to a tournament for $15 how much would they have paid if all 9 members wanted to go

bagirrra123 [75]

First you have to find out the cost of the ticket. To do so you have to Divide 15 and 6. Which equals $2.50. So each ticket is $2.50 dollars. Now you have to multiple 2.50 times 9. which equals 22.5. So your total answer is $22.50 dollars

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4 years ago

If a+b= -1 then the value of a^3+b^3 - 3ab= ?

Neporo4naja [7]

Answer:

-1

Step-by-step explanation:

$(a + b)^{3} = {a}^{3} + {b}^{3} + 3ab(a + b) \\ ( - 1)^{3} = {a}^{3} + {b}^{3} + 3ab( - 1) \\ - 1 = {a}^{3} + {b}^{3} - 3ab\\ \\ \huge \red{ \boxed{{a}^{3} + {b}^{3} - 3ab = - 1}}$

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3 years ago