3 years ago

Is 1/4 of a circle a polygon? Explain.

1 answer:

5 0

A polygon is a plane figure with at least three straight sides and angles, and typically five or more. In other words, a polygon is a 2 dimensional shape with straight sides. No curves!

A quarter of a circle has a curve on one side, and is therefore not a polygon.

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Mary has 200ml of hand sanitizer that is 15% alcohol. She mixes it with 200ml of a

11Alexandr11 [23.1K]

Answer:

(370-2x)ml

Step-by-step explanation:

We are given that

In first hand sanitizer

Total solution=200ml

Alcohol=15% of 200ml

Alcohol= $\frac{15}{100}\times 200=30ml$

In second hand sanitizer

Solution=200 ml

Alcohol=x% of 200 ml

Alcohol= $\frac{x}{100}\times 200=2x ml$

We have to find the water in the resulting mixture of hand sanitizers.

Total solution of two hand sanitizers=200+200=400ml

Total alcohol in two hand sanitizers=(30+2x)ml

Water in two hand sanitizers=400-(30+2x) ml

Water in two hand sanitizers=400-30-2x ml

Water in two hand sanitizers=(370-2x)ml

Hence, water in the resulting mixture of hand sanitizers=(370-2x)ml

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3 years ago

If i have 350 sq ft of land i need to cover with mosh how many bags of mosh do i need if one bag has 2 sq ft?

julsineya [31]

To solve this, we simply divide the total amount of land by the amount of mosh in one bag:
350/2 = 175
You need 175 bags of mosh

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iogann1982 [59]

no because the first five equals 5000

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8. Draw a number line and place the following it 4/8 0.25 3/4 0.5 0 1/2 1

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The correct order is: 0.25, 4/8=0.5 so they go above each other, 3/4

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B >_ -3
the inequality is supposed to be the greater than or equal to

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