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3 years ago

6

Help helppppppppppp, (dies)

1 answer:

trasher [3.6K]3 years ago

6 0

1. True
2. False
3. False
4. True

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the estimated population of the world was 1.6 billion in 1900 and 4.0 billion in 1975 what is the percent of increase

bogdanovich [222]

I'm not sure either!

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3 years ago

The sale price of an item is $160 after a 20% off discount. What was the original price of the item?

bulgar [2K]

Answer:

200

Step-by-step explanation:

160/80 is 2. 2 times 100 is 200

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2 years ago

The width of a rectangle is 8cm less than it's length. The perimeter of the rectangle is 52 Cm.

weqwewe [10]

52=2w+2l
52=2(l-8)+2l
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2 years ago

Simplify the following expression<br>(x+y)²

MrMuchimi

Answer:

${x}^{2} + 2xy + {y}^{2}$

Step-by-step explanation:

1) Use square sum: (a + b)² = a² + 2ab + b².

${x}^{2} + 2xy + y^{2}$

<u>Therefor</u><u>,</u><u> </u><u>the</u><u> </u><u>answer</u><u> </u><u>is</u><u> </u><u>x</u><u>²</u><u> </u><u>+</u><u> </u><u>2xy</u><u> </u><u>+</u><u> </u><u>y</u><u>²</u>.

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2 years ago

Find the measure of an angle that is complementary to

Anton [14]

Answer:

9 degrees

Step-by-step explanation:

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3 years ago