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Angelina_Jolie [31]
3 years ago
14

Find the perimeter 5 1\2

Mathematics
1 answer:
Shkiper50 [21]3 years ago
6 0

Answer:

22

Step-by-step explanation:

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In circle Z, the diameter XY = 12x – 4, ZY = 3x + 4.<br> Find the value of x and YZ.
Zinaida [17]

9514 1404 393

Answer:

  • x = 2
  • YZ = 10

Step-by-step explanation:

The diameter is twice the radius, so ...

  XY = 2·ZY

  12x -4 = 2(3x +4) . . . . substitute the given expressions

  12x -4 = 6x +8 . . . . . . eliminate parentheses

  6x = 12 . . . . . . . . . . . . add 4-6x

  x = 2

  YZ = 3x+4 = 3(2) +4

  YZ = 10

4 0
3 years ago
Simplify this equation. 4m(2mn - 8m) +3n (5n-6mn)Please help me and show working as well​
never [62]

Answer:8m^2n - 32m^2 + 15n^2 - 18mn^2

Step-by-step explanation:

4m x 2mn = 8m^2n

4m x -8m = -32m^2

3n x 5n = 15n^2

3n x -6mn = -18 mn^2

when you add them all together,

8m^2n - 32m^2 + 15n^2 - 18mn^2

4 0
3 years ago
Pls help i'm struggling with this
algol13

Answer:

Click the second one, I truly hope that worked! :)

5 0
3 years ago
Can Someone help me please. My brain can't comprehend anymore. Anyone familiar with this problem.
alexira [117]
The whole 12 weeks she will make $2,172.
Her employer takes $421.2 for federal income tax. Her employer takes $174.1 for Social Security. Her employer takes $40.7 for Medicare. She makes $181 a week.
5 0
3 years ago
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Item 6<br> Find the surface area of the cone. Round your answer to the nearest tenth.
Savatey [412]

Answer:

S.A. = 150.72

Step-by-step explanation:

S .A. = \pi r^{2} + \pi rl

4 x 4 x 3.14 = 50.24

3.14 x 4 x 8 = 100.48

100.48 + 50.24 = 150.72

5 0
3 years ago
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