3 years ago

Ms. Pacheco wrote the following expression. [7 x (4 + 11)] - 9 What is the value of the expression?

Mathematics

1 answer:

storchak [24]3 years ago

3 0

Answer: 105x-9

Step-by-step explanation:

Sorry love don’t feel like typing the explanation! :(

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Mia walked 7km/h so after 1 hour, she is 7 km north of the house of Julia

Samantha walked 11km/h so after 1 hour, she is 11 km west of the house of Julia.

The points where Mia and Samantha are after 1 hour , and the house of Julia form a right triangle with sides 7 and 11 km. The distance between the girls, is the hypotenuse of his triangle.

by the pythagorean theorem:

$MS= \sqrt{ 7^{2} + 11^{2} }= \sqrt{49+121}= \sqrt{170}= 13 (km)$

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tino4ka555 [31]

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