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harina [27]
3 years ago
7

Explain how you use prime factors to find the GCF of 45 and 75.

Mathematics
1 answer:
kvasek [131]3 years ago
4 0
Yes thats your answer!!!:)
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What numbers add up to 3 but multiply -18
mariarad [96]

Answer:

-3 and 6

Step-by-step explanation:

-3 + 6 = 3

-3 * 6 = -18

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6 divided by 9.51 plz help me
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0.63091482649

Step-by-step explanation:

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The Sum of three decimal numbers is 6 what could the numbers be? Chose all that apply
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it is B

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Integers are ____ rational numbers<br><br> 1. always<br> 2. sometimes<br> 3. never
yaroslaw [1]

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What is the perimeter and area of the photo below? And please show me how you did it. I need it for a school math group, and I’m
adoni [48]

Answer:

Assuming the area is made up of a square and a semicircle.

<u>Perimeter</u>

The side length of the square = 18 ft

We can see 3 full side lengths plus one side length from which we need to subtract 12 ft (see attached diagram).

⇒ perimeter of the square = (3 x 18) + (18 - 12)

                                                          = 54 + 6

                                                          = 60 ft

Circumference of a circle = \pid (where d is the diameter)

⇒ arc length of the semicircle = 1/2 circumference

                                                  = 1/2 · \pi · 12

                                                  = 6\pi ft

Total perimeter = 60 + 6\pi = 78.8 ft (nearest tenth)

<u>Area</u>

Area of a square = s² (where s is the side length)

⇒ area of square = 18²

                             = 324 ft²

Diameter = 2r  ⇒  r = 1/2 diameter

Area of a circle = \pir²  (where r is the radius)

⇒ area of the semicircle = 1/2 · \pi · 6²

                                         = 18\pi ft²

Total area = 324 + 18\pi = 380.5 ft² (nearest tenth)

6 0
2 years ago
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