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USPshnik [31]
2 years ago
8

A tree is 78 feet tall and grows 7 feet per year. A second tree is 111 feet tall and grows 4 feet per year.

Mathematics
2 answers:
Dahasolnce [82]2 years ago
7 0
X = number of years
78 + 7x = 111 + 4x
-78 from both sides
7x = 33 + 4x
Subtract 4x from both sides
3x = 33
Divid both sides by 3
X= 11
In 11 years both trees will be the same height.
grigory [225]2 years ago
3 0
In 11 year's each tree will grow to the same height
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$36
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5 0
3 years ago
Hi again, need help on this please, This is for my End-Of-Year Test, help!
allsm [11]
The correct answer is the first one.

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4 0
3 years ago
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2 years ago
Express the following as a fraction in its simplest form.
pychu [463]

Given:

Consider the given expression is:

\dfrac{h+f}{3}+\dfrac{f+k}{2}+\dfrac{4h-k}{5}

To find:

The simplified form of the given expression.

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We have,

\dfrac{h+f}{3}+\dfrac{f+k}{2}+\dfrac{4h-k}{5}

Taking LCM, we get

=\dfrac{10(h+f)+15(f+k)+6(4h-k)}{30}

=\dfrac{10h+10f+15f+15k+24h-6k}{30}

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3 years ago
QUADRATIC FORMULA SIMPLIFIED PLZ HELP
olga2289 [7]

Answer:

  • 3x² + 5x + 1 = 0 simplified
  • x = (-5 ± \sqrt{13})/6 roots

Step-by-step explanation:

<u>Given quadratic formula</u>

  • 3x² + 5x - 5 = - 6

<u>Standard form</u>

  • ax² + bx + c = 0

<u>Simplifying</u>

  • 3x² + 5x - 5 + 6 = 0
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<u>Solving</u>

  • x = (-5 ± \sqrt{5^2 -4*3*1})/(2*3)
  • x = (-5 ± \sqrt{13})/6
6 0
3 years ago
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