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Blizzard [7]
3 years ago
7

Really need help

Mathematics
1 answer:
Ket [755]3 years ago
4 0
3n - 80 = 5n + 8\\3n=5n + 88\\ -2n = 88\\\\ n = -44
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-5x+8y=5 need answer
adoni [48]

Answer: x=\frac{8}{5}y-1



Step-by-step explanation:

-5x+8y=5

-5x+8y+-8y=5+-8y

-5x=-8y+5

\frac{-5x}{-5} = \frac{-8y+5}{-5}

x=\frac{8}{5} y-1

8 0
3 years ago
Please don't answer just to say "I don't know"<br> Thank you
AlekseyPX

8x+15 = 2x+39

8x =2x+24

6x = 24

x = 24/6 = 4

 angle 4 = 2(4) +39 = 8+39 = 47

 angle 6 = angle 4

angle 6 = 47 degrees

5 0
3 years ago
Read 2 more answers
What is the slope of the line that passes through the points (-10, 0) and (-13, 3)? Write your answer in simplest form.
Ket [755]

Answer:The slope of the line that passes through (-10, 0) and (-13, 3) is "-1".

Given points are:

As we know, the formula,

→

By substituting the above points, we get

→                

→                

→                

→                

Thus the solution is right.

Step-by-step explanation:

4 0
3 years ago
A paper is 0.55 mm thick. How high pile of 274 sheets? The paper is 24.5 long and 18.5 cm wide. Calculate volume of the pile of
strojnjashka [21]

The height of the pile is 150.7 mm, and the volume is V = 6,830,477.5 mm³.

<h3>How high will be the pile of papers?</h3>

We know that each paper is 0.55mm thick, then if we pile 274 of these, the height of the pile will be:

H = 0.55mm*274 = 150.7mm

Now we want to get the volume of the pile of paper. Remember that for a rectangular prism of height H, width W, and length L, the volume is:

V = H*W*L

In this case, we have:

  • H = 150.7mm
  • W = 18.5 cm = 185 mm
  • L = 24.5 cm = 245 mm

Then the volume is:

V = (150.7mm)*(185 mm)*(245 mm) = 6,830,477.5 mm³

If you want to learn more about volumes:

brainly.com/question/1972490

#SPJ1

5 0
2 years ago
Easy math please help
Vaselesa [24]
A and D
Explanation: I did this problem in khan academy
3 0
3 years ago
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