3 years ago

SCHOOL PROJECT Green Valley Middle School is

Mathematics

1 answer:

aleksley [76]3 years ago

3 0

Answer:

180 rolls.

Step-by-step explanation:

0.45x = 81

x = 81/0.45

x = 180

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Determine whether (7,9) is a solution of 7x+2y= −7.

topjm [15]

We can check by subbing in the values.

7x + 2y = -7
(7,9).....x = 7 and y = 9
now we sub
7(7) + 2(9) = -7
49 + 18 = -7
67 = -7 (incorrect)....therefore, (7,9) is NOT a solution for this equation

8 0

3 years ago

Kristy ran 700 meters, while Jessica ran 4 kilometers. Who ran the furthest?Explain.

MissTica

In order to compare the distances, we have to change them into one type of unit,
so, 4 Km = 4,000 m

We know,4,000 > 700

In short, Jessica ran more than Kristy

Hope this helps!

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3 years ago

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Please help!! Much appreciated.

cestrela7 [59]

Answer:

( x - 7)^2=1

Step-by-step explanation:

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2 years ago

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