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Minchanka [31]
2 years ago
10

Evaluate a² + 2b when a = ⅘, and b = ⅖

Mathematics
2 answers:
IRINA_888 [86]2 years ago
8 0

Answer:

Brainleist here!

Step-by-step explanation:

4/5 ^2 + 4/5

16/25 + 4/5

16/25+20/25

36/25

1.44

Bas_tet [7]2 years ago
6 0

Answer:

1 11/25

Step-by-step explanation:

a² + 2b

a = ⅘, and b = ⅖

(4/5)^2 + 2*2/5

16/25 + 4/5

Get a common denominator

16/25 + 4/5*5/5

16/25 + 20/25

36/25

1 11/25

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One number is times a first number. A third number is 100 more than the first number. If the sum of the three numbers
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When a number is 3 times a first number. A third number is 100 more than the first number and the sum of the three numbers is 450, the numbers are 70, 170 and 210.

<h3>How to calculate the numbers?</h3>

Let the first number = x

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Third number = x + 100

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The numbers will be:

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Learn more about numbers on:

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One number is 3 times a first number. A third number is 100 more than the first number. If the sum of the three numbers is 450 , find the numbers.

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