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gtnhenbr [62]
2 years ago
12

Evaluate the expression when a=5.a² - 17​

Mathematics
2 answers:
jek_recluse [69]2 years ago
8 0

Answer:

a²-17=8

Step-by-step explanation:

5²-17= 25-17

= 8

Alecsey [184]2 years ago
3 0

Answer:

8

Step-by-step explanation:

5^{2}−17

=25−17

=8

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Ali
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3 years ago
Write the sentences as proportion. Twelve hundredths is to three as twenty-four hundredths is to eight
ValentinkaMS [17]

Answer:

see the explanation

Step-by-step explanation:

Remember that

A proportion is the ratio (quotient) between two numbers

so

Twelve hundredths to three is ----> \frac{0.12}{3}

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therefore

Twelve hundredths is to three as twenty-four hundredths is to eight

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Note The proportion is not true

3 0
3 years ago
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Anettt [7]

Answer:

126°

Step-by-step explanation:

1. We know that 54 degrees and its adjacent are a linear pair, meaning that they add up to 180 degrees. To find the measure of the adjacent angle, we subtract 54 from 180.

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2. Now, we know that adjacent of 54 is 126. Also, we know that l ║ m ║ n, and x and 126 degrees are corresponding angles. Corresponding angles are congruent within angle measures, so x = 126 degrees.

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