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Tanzania [10]
2 years ago
9

What is the value of x?

Mathematics
2 answers:
stiks02 [169]2 years ago
6 0

Answer:

x = 23

Step-by-step explanation:

Seeing same-side exterior angles theoreom,

both of these angles add up to 180°.

Looking at this,

3x + (4x+19) = 180

3x + 4x + 19 = 180

Subtracting both sides by 19 to get x on the LHS:

3x + 4x + 19 - 19 = 180 - 19

7x = 161

x = 23

<em>Hope this helps and be sure to have a wonderful time ahead at Brainly! :D</em>

musickatia [10]2 years ago
5 0

Choose none of the above as that may not be applicable

Step-by-step explanation:

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Answer:

V = 56.5 mi^3

Step-by-step explanation:

The volume of a cylinder is given by

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V = pi ( 3)^2 (2)

V = 18 pi

Letting p = 3.14

V = 56.52 mi^3

Rounding to the nearest tenth

V = 56.5 mi^3

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2 years ago
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Answer:

x=11, y=10

Step-by-step explanation:

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substitute the first equation into the second equation:

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to get:

y=10

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x+ 10 = 21

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3 years ago
If one-third of a number, x, is greater than five less than twice the number, which of the following is true?
Doss [256]

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Step-by-step explanation:

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7 0
3 years ago
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