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UNO [17]
3 years ago
11

Use completing the square to solve for x in the equation (x+7)(x-3) = 25.

Mathematics
1 answer:
Juliette [100K]3 years ago
6 0

Answer:

please can ur equation and send it again ....I will help you

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$63,000 is what percent of $90,000?
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70%

Step-by-step explanation:

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The sum of Ted's and Leon's ages is
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Ted is 6 years old

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Andrew is 8 years old

Step-by-step explanation:

Ted+Leon=13 ⇒T+L=13 ⇒L=13-T

Leon+Andrew=15 ⇒L+A=15 ⇒A=15-L ⇒A=15-(13-T) because Leon =13-Ted

A=2+T

Ted+Andrew=14

T+A=14  ( substitute Andrew age from A=2+T)

T+2+T=14

2T=12

<h2>T=12/2=6 (Ted is 6 years old)</h2><h2>A=2+T=2+6=8 ( Andrew is 8 years old)</h2><h2>Leon=13-T=13-6=7 ( Leons is seven years old)</h2>

check: Ted+Leon=13 ⇒ 6+7=13

Leon + Andrew=15 ⇒7+8=15

Andrew+Ted=14 ⇒ 6+8=14

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3 years ago
How long is a school bus
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45 ft

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