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FrozenT [24]
3 years ago
12

Chris made $184 for 8 hours of work. At the same rate, how much would he make for 13 hours of work?

Mathematics
2 answers:
masha68 [24]3 years ago
6 0

Answer:

Step-by-step explanation: 184 ÷8 =23 per hour

So then if 23x13=299

pashok25 [27]3 years ago
4 0

Answer:

$299

Step-by-step explanation:

Make a proportion

He makes $184 for 8 hours of work, and $x for 13 hours of work

184/8=x/13

To solve, we need to get x by itself. To do this, multiply both sides by 13. We multiply because x is being divide by 13, and we want to do the opposite.

13(184/8)=(x/13)13

The 13s on the right will cancel, leaving us with

13(23)=x

299=x

So, he will earn $299 for 13 hours of work.

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Samantha is creating concrete spheres for a weight-lifting competition. One of the spheres needs to have a weight of 350 pounds.
loris [4]

Answer:

Volume of cube = 2.33 cubic feet

Length of side of cube =  1.325 feet

Step-by-step explanation:

Given

Weight of each sphere = 350 pounds

Density of each concrete = 150 pounds per cubic foot

Volume of cube = 350 pounds / 150 pounds per cubic foot

Volume of cube =  350/150 cubic feet

Volume of cube = 2.33 cubic feet

Length of side of cube = Cubic root of 2.33

Length of side of cube =  1.325 feet

3 0
3 years ago
If a, b, and c are positive integers, what
r-ruslan [8.4K]
The greatest common factor is 2ab

To determine this you need to determine what is divide in both 18 and 8. The only number that can divide in both numbers is 2. Which means they have a common factor/number. And then you continue looking at the expression and see what other numbers or letters are common. The only common thing besides the number is a and b since it’s found in both. There is no c in 18ab.
Hope this makes sense

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4 0
3 years ago
3x-2y=14 <br> y=5x<br><br> Solve by substitution
irina [24]
3x - 10x = 14

-7x = 14

x = -2
5 0
3 years ago
In the standard (x,y) coordinate plane, what is the slope of the line 4x+7y=9?​
o-na [289]

Answer: -4/7

Step-by-step explanation:

To find the slope, let's change the equation to slope-intercept form.

4x+7y=9              [subtract both sides by 4x]

7y=-4x+9           [divide both sides by 7]

y=-\frac{4}{7}x+\frac{9}{7}

Now, we know the slope is -4/7.

5 0
3 years ago
Solve for x <br> x-31=-90<br><br> show how you got the answer
Vinil7 [7]

Answer:

x= -59

Step-by-step explanation:

x-31=-90

Adding 31 to both sides we get

x-31+31=-90+31

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4 0
3 years ago
Read 2 more answers
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