3 years ago

What is the value of x? Show me how you got your answer.

Mathematics

1 answer:

artcher [175]3 years ago

7 0

Answer:

x = 30

since 3x = 90 degrees, then x = 90/3 = 30

Step-by-step explanation:

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(7x-11)+(6x-5)+(3x+6)+(4x+7)=

Evgen [1.6K]

the answer is 20x - 3

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3 years ago

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ivann1987 [24]

Opps, wrong answer

Deleted

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3 years ago

M A. 59<br> B. 31<br> C. 149<br> D. 62

lbvjy [14]

I think The answer is a.59

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3 years ago

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kondaur [170]

Step-by-step explanation:

1st digit is 1 number (1)

2nd digit is (3,4,5) so it's 3 numbers

third digit is (6,7,8,9) is it's 4 numbers

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3 years ago

Ellis is painting wooden fenceposts before putting them in his yard. They are each 5 feet tall and have a diameter of 1 foot. Th

Naya [18.7K]

Answer:

39.25 cubic feet of paint will be needed by Ellis.

Step-by-step explanation:

Volume of a cylinder:

The volume of a cylinder of radius r and height h is given by:

$V = \pi r^2h = 3.14r^2h$

How much paint will Ellis need to paint all the surfaces of the 10 fenceposts?

This is the combined volume of these 10 fenceposts.

They are each 5 feet tall and have a diameter of 1 foot.

Radius is half the diameter, so $r = \frac{1}{2} = 0.5$ . Also $h = 5$

10 fenceposts:

Each has the same volume, so:

$V = 10(3.14)r^2h = 31.4(0.5)^2(5) = 39.25$

39.25 cubic feet of paint will be needed by Ellis.

6 0

3 years ago