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Anestetic [448]
3 years ago
6

What is an equivalent ratio to 8:20 and 2:5?

Mathematics
1 answer:
coldgirl [10]3 years ago
5 0

Answer:

4:10.

Step-by-step explanation:

4:10 would be one.

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Answer:

B

Step-by-step explanation:

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3 years ago
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Name the lengths of the side of three rectangles that have perimeters of 14 units
Viktor [21]
5,5.2,2
6,6,1,1
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3 years ago
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sergejj [24]

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2 years ago
Evaluate the expression (-4)^2+12x2
Elza [17]

Answer:

40

Step-by-step explanation:

step 1:    (-4)^2=16

step2:    12X2=24

step3:     16+24+40

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7 0
3 years ago
What is the measurement of BC to the nearest centimeter?
77julia77 [94]

Answer:

a   8

Step-by-step explanation:

You are given two sides and the included angle. Since you don't have any side and the opposite angle, you must use the law of cosines.

a^2 = b^2 + c^2 - 2bc\cos A

a^2 = 5^2 + 11^2 - 2(5)(11)\cos 39^\circ

a^2 = 25 + 121 - 110\cos 39^\circ

a^2 = 60.51

a = 7.779

Answer: a = 8 cm

7 0
3 years ago
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