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Vladimir79 [104]
2 years ago
9

Look at this square: 3 ft 3 rt If the side lengths are halved, then which of the following statements about its area will be tru

e? The ratio of the new area to the old area will be 1:2. The ratio of the new area to the old area will be 1:4. The ratio of the new area to the old area will be 1:8. The ratio of the new area to the old area will be 16:1​
Mathematics
1 answer:
ki77a [65]2 years ago
3 0

Answer:The ratio of the new area to the old area is 1:4

Step-by-step explanation:

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1

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3 years ago
Problem 8
SpyIntel [72]
Answer:

Explanation:

1. x represent the copybook while y represent the pen that is bought.

2. 2x + 3y = 9000 means that in order to buy 2 copybooks and 3 pen you have to pay 9000 LL.

3. Solve for the price of x and y

2x + 3y = 9000 (1)
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Multiply (1) by -2:

-2(2x + 3y = 9000)
4x + 2y = 8000
——————————
-4x - 6y = -18000
4x + 2y = 8000
—————————
-4y = -10000
y = -10000/-4
y = 2500

Substitute y value into (2):

4x + 2(2500) = 8000
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4x = 3000
x = 3000/4
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Therefore, 1 copy book = 750LL and 1 pen = 2500 LL
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2 years ago
Fiona drew a regular polygon that first maps directly onto itself after rotating 15 degrees. How many sides does the polygon hav
AlexFokin [52]

Answer:

24

Step-by-step explanation:

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divide both sides of the equation by 15

n = 24

5 0
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