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Tanya [424]
3 years ago
8

The Rivera family drove 267.9 miles from their home to Cape Cod, Massachusetts. They used 9.5 gallons of gas. How many miles per

gallon of gas did they get on the trip?​
Mathematics
2 answers:
kvasek [131]3 years ago
8 0
I’m pretty sure the answer is 28.2
Andrews [41]3 years ago
8 0

Answer:

28.2 mpg

Step-by-step explanation:

mpg = m/g

mpg = 267.9 / 9.5

mpg = 28.2

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Jeff has a density of 1000 g/mL and a volume of 25-mL. What is Jeff’s mass?
zlopas [31]

Answer:

25,000 grams

Step-by-step explanation:

Density can be found using the following formula:

d=\frac{m}{v}

If we rearrange the formula for m, mass, we will multiply both sides of the equation by v.

d*v=\frac{m}{v}*v

d*v=m

The mass can be found by multiplying the density by the volume.

Jeff's density is 1000 grams per milliliter and his volume is 25 milliliters.

d= 1000 g/mL\\v=25 mL

Substitute the values into the formula.

m=d*v

m= 1000 g/mL * 25 mL

Multiply. When you multiply, the "mL" or milliliters will cancel out.

m= 1000 g * 25

m= 25000 g

Jeff's mass is 25,000 grams.

6 0
3 years ago
What are the leading coefficient and degree of the polynomial? <br> 20-w^9+2w^3+12w
Ilya [14]

I assume you want the leading coefficient because there is only 1.


The leading coefficient is always in front of the term with the greatest exponent.


Leading coefficient = -1.


The degree of this function is 9. It is a ninth degree polynomial function. Why 9? It is a 9th degree polynomial because 9 is the greatest power.


6 0
3 years ago
Traffic lights at three different junctions show green light at intervals of 10 seconds, 12 seconds and 15 seconds. They all sho
Flauer [41]

Answer:

it will show afain at 19 seconds

6 0
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Write the point-slope form of the equation for a line that passes through (6, -1) with a slope of 2.
Naddika [18.5K]

Answer:

2x-y-13=0

Step-by-step explanation:

6 0
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Why do I have to go to school after the 16 I thought that’s when we don’t goats?
Y_Kistochka [10]
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