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mihalych1998 [28]
3 years ago
8

4. Find the lateral and total surface area of the prism.

Mathematics
1 answer:
elena55 [62]3 years ago
7 0
1060. trust me i’ve done that
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Please help me find the equation xx
Lisa [10]

9514 1404 393

Answer:

  • (2x-10) +x +(x+10) = 180
  • x = 45
  • (2x-10)° = 80°
  • (x+10)° = 55°
  • x° = 45°

Step-by-step explanation:

The equation is an expression of the fact that <em>the sum of the angles in a triangle is 180°.</em>

  (2x -10)° +x° +(x +10)° = 180°

For the purposes of the answer box, I'd leave off the degree symbol:

  (2x -10) +x +(x +10) = 180

__

This simplifies to ...

  4x = 180

  x = 45

Then the angles (CW from top) are ...

  (2·45 -10) = 80°

  (45 +10)° = 55°

  (45)° = 45°

8 0
3 years ago
.Solve the system of equations. Use elimination
Elina [12.6K]

Answer:

a) (-9,3)

Step-by-step explanation:

   x + 2y = -3

- (x -    y = -12)

<u />

x + 2y = -3

<u>- x + y =  12</u>

       3y =  9

          y = 3

x - y = -12

x- 3 = -12

x= - 9

(-9, 3)

6 0
3 years ago
At the beginning of this month, the balance of Nelson's checking account was $856.23. So far this month, he has received a paych
kari74 [83]
$1,619.30

Hope this helps<3
6 0
3 years ago
Read 2 more answers
F(x)= 0.5x - 14; f(-4)
postnew [5]
If you replace the x with -4 and multiple that by 0.5 then minus that from 14 you will get -16
5 0
3 years ago
Enter the number that makes the equation true.<br> 17<br> 0.54 +<br> 100<br> 100 = 100 + 100
LuckyWell [14K]

Answer:

this question makes no sense

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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