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Oxana [17]
3 years ago
14

a tree is standing by the side of the building. 2/5th of the height of the tree is above the building level. the building is 9 m

etres high. what is the height of the tree?
Mathematics
2 answers:
lora16 [44]3 years ago
7 0
9 + ( 2 / 5 )*h = h =>45 + 2h = 5h => 45 = 3h => h = 45 / 3 => h = 15 metres.
ELEN [110]3 years ago
6 0
If 2/5 of the tree is above the building, the other 3/5 must be down next to the building.

3/5(tree) = 9m

Multiply each side by 5/3 :

tree = (5/3) (9) = <u>15 meters</u>
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The larger of two numbers is 15 more than three times the smaller number. If the sum of the two numbers is 63, find the numbers
Amanda [17]

Answer:

The smaller number equals 12, the larger number equals 51.

Step-by-step explanation:

x + (3x + 15) = 63

Combine like terms.

4x + 15 = 63

Subtract 15 from both sides.

4x + (15 -15) = (63 - 15)

4x = 48

Divide both sides by 4.

4x/4 = 48/4

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Check answer.

12 + (3(12) + 15) = 63

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63 = 63

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3 years ago
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Kruka [31]

Hello.

The answer is: 15y+18

(6+5y)(3)

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Have a nice day

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Answer:

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Step-by-step explanation:

These angles are actually equal to each other

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Then solve:

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DanielleElmas [232]

Answer:

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zimovet [89]

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Step-by-step explanation:

On E2020

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3 years ago
Read 2 more answers
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