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3 years ago

If a pine tree grows 3 inches per year, how long will it take for the tree to reach a height of 7 feet?

Mathematics

1 answer:

Tamiku [17]3 years ago

4 0

Answer:

It will take 28 years

3 inches = 0.25 feet, so every year the pine tree grows 0.25 feet.

7 feet / 0.25 feet = 28 feet.

Therefore, the answer is 28 years.

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Find the inverse function. f (x)=1/2x+6

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The inverse of this function is f(x) = 2x - 12.

You can find the inverse of any function by switching the f(x) and x values in the equation. Then you can solve for the new f(x) value. The result is your inverse function. The work for this one is below.

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f(x) = 2x - 12

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4 years ago

68. Solve: 46x - 10) = 8x + 40<br>A 0<br>B.5/2<br>ina<br>c. 23<br>D. 5

Artist 52 [7]

Solve: 4(6x - 10) = 8x + 40

A 0

B.5/2

c. 23

D. 5

<h3><u>Answer:</u></h3>

Option D

The solution to given equation is x = 5

<h3><u>Solution:</u></h3>

Given that we have to solve the given equation

4(6x - 10) = 8x + 40

Let us solve the above expression and find value of "x"

Multiplying 4 with terms inside bracket in L.H.S we get,

24x - 40 = 8x + 40

Move the variables to one side and constant terms to other side

24x - 8x = 40 + 40

Combine the like terms,

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$x = \frac{80}{16} = 5$

Thus solution to given equation is x = 5

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