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umka2103 [35]
3 years ago
10

After a big snow storm, Joe and Jim decided to shovel driveways for money. Jim shoveled 3 less than twice as many driveways as J

oe. They shoveled a total of 15 driveways. How many driveways did Joe (x) and
Jim (y) each shovel?
​
Mathematics
2 answers:
GarryVolchara [31]3 years ago
6 0

Answer:

Joe: 6

Jim: 9

Step-by-step explanation:

Joe: x

Jim: 2x - 3

x + 2x - 3 = 15

3x - 3 = 15

3x = 18

x = 6

KIM [24]3 years ago
4 0

Answer:

Joe shoveled 6, Jill shoveled 9

Step-by-step explanation:

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Mr. Malone is contemplating which chauffeured car service to take to the airport. The first costs $28 upfront and $2 per mile. T
Ksju [112]

Answer:

The distance is 8 miles.

Step-by-step explanation:

First, we need to write an equation for each of chauffeured car services.

The first one = 28 + 2x = ?

The second one = 13 + 5x = ?

Next, we need to figure out what x is. Usually I just plug in random numbers, but I'm sure there's a better way to do it.

I first plugged in 2 as x.

28 + 4 = 32

13 + 10 = 23

That didn't work, so I then plugged in 5.

28 + 10 = 38

13 + 25 = 38

So 5 would be the correct answer for what is the distance.

8 0
3 years ago
What curve passes through the point ​(1 ​,2​) and has an arc length on the interval​ [2,6] given by Integral from 2 to 6 StartRo
Georgia [21]

Answer:

Step-by-step explanation:

Given

Length of curve

L=\int_{2}^{6}\sqrt{1+64x^{-6}}dx

Length of curve is given by

L=\int_{a}^{b}\sqrt{1+\left ( \frac{\mathrm{d} y}{\mathrm{d} x}\right )^2}dx over interval a to b

comparing two we get

\frac{\mathrm{d} y}{\mathrm{d} x}=8x^{-3}

dy=8x^{-3}dx

integrating

\int dy=\int 8x^{-3}dx

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1=-4+C

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curve is

y+\frac{4}{x^2}=5

3 0
3 years ago
PLEASE HELP!
Nadya [2.5K]

Answer: no solution or zero solutions.

Step-by-step explanation:

8 0
3 years ago
How many gallons is equivalent to 28 quarts? There are 4 quarts
nalin [4]

Since there are 4 quarts in a gallon and we have 28 quarts we would have 7 gallons.

<u>The answer is 7. </u>

7 0
3 years ago
Graph this equation y=7/2x-2
MariettaO [177]
To find the slope<span> and y </span>intercept<span>, use the </span><span>y=mx+b</span> formula<span> where </span>m<span> is the </span>slope<span> and </span>b<span> is the y </span>intercept<span>.
</span><span>y=mx+b

</span>Pull the values of m<span> and </span>b<span> using the </span><span>y=mx+b</span> formula<span>.
</span><span>m=<span>7/2</span>,</span><span>b=−2</span><span> where m is the </span>slope<span> and b is the </span>y-intercept 

7 0
3 years ago
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