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dlinn [17]
3 years ago
5

Complete the solution of the equation. Find the value of Y when X equals 5. X-5y=45

Mathematics
2 answers:
bearhunter [10]3 years ago
8 0

Answer:

y = -8

Step-by-step explanation:

5 - 5y = 45

-5y = 40

y = -8

Ivan3 years ago
6 0

Answer:

-8

Step-by-step explanation:

replace X with 5

subtract 5 from both sides of the equation:

-5y = 40

divide by - 5

y = -8

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katrin [286]
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8 0
3 years ago
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Find the surface area and volume of the following figures.
Oduvanchick [21]

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6 0
3 years ago
What is the sign of −4ab when a>0 and b<0?
AVprozaik [17]

Answer:

A

Step-by-step explanation:

We have the expression:

-4ab

And we want to find its sign given that a>0 and b<0.

Notice that the expression is already negative since we have -4.

a>0 means that a is positive. Therefore, we can ignore it since it won’t do anything.

b<0 means that b is negative. Therefore, we will have two negatives being multiplied together. Hence, this will make a positive.

Therefore, the sign of our expression will be positive.

We can see this with an example. Let a=1 (1>0) and let b=-1 (-1<0). Then:

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So, the sign is positive.

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Ray Of Light [21]
(n+1)x 2=10 
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n=4
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3 years ago
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