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Step2247 [10]
3 years ago
15

Liana is putting a border around a right triangle and needs to figure out the triangle's height. If the triangle has a base leng

th of 9 cm and a total area of 27 cm², what is the height?
Mathematics
1 answer:
nordsb [41]3 years ago
6 0

Answer:

6

Step-by-step explanation:

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Answer:

Your answer is 62 square inches

Step-by-step explanation:

You can cross off 1 & 2, as they are too small.

Lets split this up.

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3 years ago
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marta [7]
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3 years ago
Multiply each polynomial <br><br> (x + 5)(x+4)<br><br> teach me step by step
lara [203]

Answer: x^2 + 9x + 20

Step-by-step explanation:

Foil Method: (a + b) (c + d) = ac + ad + bc + bd

Lets say:

a = x

b = 5

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Plugging in the numbers: xx + 4x + 5x + 5*4

Combine like terms:

xx = x^2

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5 * 4 = 20

You're then left with: x^2 + 9x + 20

6 0
3 years ago
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