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Anon25 [30]
2 years ago
5

A 6-inch candle is burning at a linear rate. The candle measures four inches two

Mathematics
1 answer:
Elis [28]2 years ago
8 0

2 in per hour.

it takes an hour to go down 2 in

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Inverse of the function f(x) = 2x + 5?
andrew-mc [135]

Answer:

y^{-1} =\frac{1}{2} x-\frac{5}{2}

Step-by-step explanation:

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Please help it is about precent of change. ( highest number of points )
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Answer:

185.714% increase

Step-by-step explanation:

Solution:

Calculate percentage change

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Nina thought of a number. She called her number y. She added 14 to her number, divided the result by 6, and she got 12. What was
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Y=58
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4 0
3 years ago
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If equation one is mutiplied by 2 and then the equations are added the result is 2x+y=3 X-2y=-1
zloy xaker [14]

Question:

2x + y = 3, x - 2y = –1.

If equation one is multiplied by 2 and then the equations are added, the result is _____.

(A) 3x = 2

(B) 3x = 5

(C) 5x = 5

Answer:

Option C:

5x = 5

Solution:

Given equations are

2x + y = 3 – – – – (1)

x – 2y = –1 – – – – (2)

Let us first multiply equation (1) by 2, we get

(1) × 2 ⇒ 4x + 2y = 6 – – – – (3)

Now, add equation (3) to equation (2).

⇒ x – 2y + 4x + 2y = –1 + 6

Combine like terms together.

⇒  x + 4x – 2y  + 2y = –1 + 6

⇒ 5x = 5

So, if equation one is multiplied by 2 and then the equations are added, the result is 5x = 5.

8 0
3 years ago
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