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arsen [322]
3 years ago
5

It cost Evan $17.70 to send 177 text messages how many text messages did he send if he spent $19.10

Mathematics
1 answer:
tatuchka [14]3 years ago
3 0
He sent 191 text messages
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What is the distance between (-11, -20) and (-11, 5)?
PolarNik [594]
The distance between (-11, -20) and (-11,5) is 25. Since both of the x values are the same, we know that they are both on the same x line. For the y values, -20 and 5, Their difference from each other is 25. Therefore, the distance between those coordinates are 25.

6 0
3 years ago
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What is the 1st quartile? (median of lower<br>half)<br>240<br>235<br>230​
postnew [5]

Answer:

lower half

Step-by-step explanation:

The first quartile in this is 230

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3 years ago
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3. Is the triangle a right triangle?
dem82 [27]

Yes it is a right triangle

3 0
3 years ago
Please help! I get how to do the first part I just don't get how to do the second part.
xz_007 [3.2K]

9514 1404 393

Answer:

  WX = 33

  (x, y) = (2, 10)

Step-by-step explanation:

The hash marks tell you WX is a midline, so has the measure of the average of the two bases.

  WX = (PQ +SR)/2 = (27 +39)/2 = 66/2

  WX = 33

__

The hash marks also tell you ...

  PW = WS

  y +4x = 18 . . . . . . substitute the given expressions

and also

  QX = XR

  2y +x = 22 . . . . . substitute the given expressions

__

If you solve the first equation for y, you get ...

  y = 18 -4x

Substituting that into the second equation gives ...

  2(18-4x) +x = 22

  36 -7x = 22 . . . . . . . simplify

  14 = 7x . . . . . . . . . . . add 7x-22 to both sides

  2 = x . . . . . . . . . . . . divide by 7

  y = 18 -4(2) = 10 . . . find y using the above relation

The values of x and y are 2 and 10, respectively.

__

My favorite "quick and dirty" way to solve a set of linear equations is using a graphing calculator. It works well for integer solutions.

7 0
3 years ago
Please answer this question.
Kaylis [27]
Combine the like terms
-x-x^2+7
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