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Misha Larkins [42]
3 years ago
6

The amount of gasoline at a gas station changes from 58,432.4 gal to 56,475.2 gal from 2:00 PM to 4/0 PM . What rational number

represents the average change in amount of gasoline per hour ?
-1957.2

1957.2

-978.6

978.6
Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
6 0

Answer:

- 978.6 gallons per hour

Step-by-step explanation:

Given that :

Change in gasoline (gallon) : 58,432.4 gal to 56,475.2 gal

Time during which change occurred : 2:00 pm to 4:00 pm

Average change per hour : [Change in gallon of gasoline / time interval (hour)]

Change in gallon of gasoline = (56,475.2 - 58,432.4) = - 1957.2 gallons

Time interval = 4:00 pm - 2:00 pm = 2 hours

Hence, Average change per hour :

-1957.2 / 2

= - 978.6 gallons per hour

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Reika [66]

Hi There!

Step-by-step explanation:

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Answer:

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8 0
3 years ago
3x-9y=-7 ; 2y-6x=8 elimination
Vaselesa [24]

Answer:

x=-29/24

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Step-by-step explanation:

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multiply eq A by 2

6x-18y=-14

-6x+2y=8

Add both equations, so you eliminate x since 6x+(-6x) = 0

-18y+2y= -16y

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so you have

-16y=-6

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now substitute this back to eq B, (you can use eq A as well if you like)

2(3/8)-6x=8

3/4-6x=8

-6x=29/4

x=-29/24

4 0
3 years ago
Which statement BEST describes the relationship between whole numbers and natural numbers shown in the diagram?
NeX [460]

Answer:

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Step-by-step explanation:

Consider the diagram below.

It is a Venn diagram.

The diagram shows that all the natural numbers are contained in the set of all the whole numbers.

This implies that all natural numbers are whole numbers.

Then the statement best describing the relationship between whole numbers and natural numbers is:

(B) The diagram shows that natural numbers are a subset of whole numbers,  because all natural numbers are whole numbers.

Thus, the correct option is B.

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3 years ago
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Answer:

b

Step-by-step explanation:

4 0
3 years ago
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