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IgorC [24]
3 years ago
6

The water level in a vat changed by −9.9 inches in 2.25 hours as the vat was drained. What is the average change in the vat's wa

ter level per hour?
Mathematics
2 answers:
Assoli18 [71]3 years ago
8 0
-9.9 / 2.25 = -4.4 inches per hr
icang [17]3 years ago
6 0

Answer:

-9.9/2.25= -4.4 inches

Step-by-step explanation:

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Bezzdna [24]

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2 years ago
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The larger of the two numbers is 4 more than twice the smaller. The difference of the larger number and the smaller number is 6.
xxMikexx [17]

Answer:

2 and 8

Step-by-step explanation:

Larger number = y

Smaller number = x

---------------------------------

y = 2x+4

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8 0
3 years ago
The magnitudes of the moon and sirius are -12.5 and -1.44, respectively. approximately how many times is the moon brighter than
Lelu [443]

Solution:

we are given that

The magnitudes of the moon and Sirius are -12.5 and -1.44 respectively.

we have been asked to find approximately how many times is the moon brighter than Sirius?

The word magnitude is used by the scientist to describe the brightness of moon/star/object etc.

So we can find the brightness by dividing the given values. so we get

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Hence we can say

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3 years ago
Math question down below
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7(y+2)<br> What is equivalent
kari74 [83]

Answer:

7y + 14

Step-by-step explanation:

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