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ryzh [129]
3 years ago
9

An art gallery has 8 new paintings, all the same size, but enough room on the wall for only 6 of them. How many ways can the dir

ector arrange the 8 paintings on the wall? A. 48 B. 28 C. 20,160 D. 40,320
Mathematics
1 answer:
algol133 years ago
5 0
There are 8 choices for the first painting on the wall, 7 choices for the second, and so on, down to three choices for the sixth.  Our result is thus 8*7*6*5*4*3=20,160.  C is the correct answer.
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Mitchel is part of the track team at his high school. He ran the first 4 kilometers of a race in 30 minutes. How many kilometers
Usimov [2.4K]

Answer:

8 kilometers in one hour

Step-by-step explanation:

4:30/4

30 divided by 4

7.5

4 divided by 4

1

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since there are 60 minutes in a hour

60/7.5 = 8

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frosja888 [35]

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3 years ago
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Anon25 [30]
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3 years ago
ASNWER CORRECTLY AND YOU WILL GET 40 POINTS ALONG WITH BRAINLIEST
murzikaleks [220]

Answer: Angle ABC = 60, angle CBD = 120 and angle GFH = 60

Step-by-step explanation: Line ABD is parallel to line EFG. Line line CFH is a straight line that cuts across both parallel lines. Therefore, angle FBD and angle HFG are corresponding angles. That means angle FBD equals 3x. Also 3x plus 6X equals 180. That is,

3x + 6x = 180 {Sum of angles on a straight line equals 180}

9x = 180

Divide both sides of the equation by 9

x = 20.

That means angle 6x measures 6(20) and that is 120 degrees.

Also angle 3x measures 3(20) and that is 60 degrees.

Angle ABC + Angle CBD = 180 {Sum of angles on a straight line equals 180}

Angle ABC + 120 = 180

Angle ABC = 180 - 120

Angle ABC = 60

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Angle CBD = 120.

And then, angle GFH = 3x, and x equals 20. Hence angle GFH = 60.

Therefore angle ABC = 60, angle CBD = 120 and angle GFH = 60.

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3 years ago
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Answer:

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Step-by-step explanation:

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2 years ago
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