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makkiz [27]
3 years ago
14

What is the answer to the equation: 7x + 4x +2​

Mathematics
1 answer:
joja [24]3 years ago
7 0

1. Collect like terms

(7x + 4x) + 2

2. Simplify

11x + 2

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Create an algebraic expression ​
Ugo [173]

Answer:

3x-5+2y

Step-by-step explanation:

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3 years ago
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kupik [55]

Answer:

y = 71

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Step-by-step explanation:

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2 years ago
It takes 12 hours for a single hose to fill a large vat. When a second hose is added, the vat can be filled in 4 hours. How many
aksik [14]
<h3>Answer:</h3>

6 hours

<h3>Step-by-step explanation:</h3>

The two hoses together take 1/3 the time (4/12 = 1/3), so the two hoses together are equivalent to 3 of the first hose.

That is, the second hose is equivalent to 2 of the first hose. Two of the first hose could fill the vat in half the time one of them can, so 6 hours.

The second hose alone can fill the vat in 6 hours.

_____

The first hose's rate of doing work is ...

... (1 vat)/(12 hours) = (1/12) vat/hour

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... h = 1/6 vat/hour

so will take 6 hours to fill 1 vat.

8 0
3 years ago
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Answer:

64

Step-by-step explanation:

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ur welcome
64 cm3

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