2 years ago

If the length of the 45° region of

Mathematics

1 answer:

harkovskaia [24]2 years ago

6 0

Answer:

it is 60

Step-by-step explanation:

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sammy [17]

Answer:

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Step-by-step explanation:

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Alekssandra [29.7K]

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Evaluate the expression when a= 4, b= - 2, and c= 7 - -> 5a - 9 (b - c)

ollegr [7]

Answer:

$65$

Step-by-step explanation:

Given the following question:

$5a-9(b-c)$
a = 4
b = 2
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In order to find the answer, we need to substitute the variables with the numbers given, and then solve using PEMDAS.

$5\times4-9\times(2-7)$
$2-7=-5$
$5\times4-9\times-5$
$5\times4=20$
$20-9\times-5$
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$20+45=65$
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Hope this helps.