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erma4kov [3.2K]
3 years ago
7

I need help with this because i dont know this please send help....

Mathematics
2 answers:
Sergio039 [100]3 years ago
4 0

Answer:

Think about what number you got multiply 7 to get 28. Once you do, multiply the other numbers by that digit

Step-by-step explanation:

IRINA_888 [86]3 years ago
3 0
5- 20
10- 40
12- 48
Those are the answers. Hope this helps!!
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a worker can complete the assembly of 15 chairs in 6 hours. At the rate,how many can the worker complete in a 40-hour work week?
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3 years ago
PLEASE HELP ASAP DUE 11:59 TODAY PLEASE ANSWER 6 and 7.​
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2 years ago
Solve the systems by the addition method x - 2y = - 4 2x + y = 7
vfiekz [6]
<h2>x - 2y = -4</h2><h2>2x + y = 7</h2><h2 />

To solve this system of equations by addition, our first goal is to cancel

out one of the variables by adding the two equations together.

However, if we add these two equations together right away, nothing

will cancel so we need to set things up so a variable will cancel.

Notice that we have an 2x in our second equation.

If we had a -2x in our first equation, then the x's would cancel out.

In order to create a -2x in the first equation, we simply

multiply both sides of the first equation by -2.

So we have (-2)(x - 2y) = (-4)(-2) which can be rewritten as -2x + 4y = 8.

Now rewrite both equations, as shown below.

<h2>-2x + 4y = 8</h2><h2>2x + y = 7</h2><h2 />

Now when we add the equations together, the x terms

will cancel out and we're left with 5y = 15.

Dividing both sides by 5, <em>y = 3</em>.

To solve for x, plug a 3 in for y in either one of our 2 original equations.

So let's go with our second equation.

Plugging a 3 in for y, we get 2x + (3) = 7.

Now subtract 4 from both sides to get 2x = 4.

Dividing both sides by 2, we fid that <em>x = 2</em>.

Since x = 2 and y = 3, our answer is the ordered pair (2, 3).

5 0
3 years ago
44.64 divided by 48​
Alik [6]

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Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
ASAP pls helppppppppppppppppp!!!
Sunny_sXe [5.5K]

The answer is 7.

Look at the x=8 and then look up the y-value.

The graph passes (8,7) so therefore when x = 8 the y is 7

4 0
2 years ago
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