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liq [111]
3 years ago
10

PLEASE HELP QUICKLY!!

Mathematics
1 answer:
svp [43]3 years ago
3 0

Answer:

3π

Step-by-step explanation:

To find the area of a sector, use this formula: (α/360) × πr²

α & r will be substituted by 120 and 3 respectively.

(120/360) × π(3²)

<em>Step 1: 120/360 is equivalent to 1/3.</em>

1/3 * π(3²)

<em>Step 2: Square 3 to get 9.</em>

1/3 * π(9)

<em>Step 3: Multiply 9 by π to get 9π</em>

1/3 * 9π

<em>Step 4: Multiply 1/3 by 9π</em>

3π

The area of sector DEF in terms of π is 3π.

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2/3

Step-by-step explanation:

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3 years ago
A line passes through $A(1,1)$ and $B(100,1000)$. How many other points with integer coordinates are on the line and strictly be
jonny [76]

Answer:

98

Step-by-step explanation:

Integers are whole numbers or opposite of whole numbers.

The slope is 1.

How?

Change of y is 100-1=99.

Change of x is 100-1=99.

The slope is 99/99=1 or 1/1.

So if we start at (1,1) and we rise 1 and run 1 right, we get (2,2).

If we do that again from (2,2) we get (3,3).

Following the pattern of going up 1 and right from each new location discovered we get all the of these points:

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(2,2)

(3,3)

(4,4)

(5,5)

(6,6)

....

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(97,97)

(98,98)

(99,99)

end (100,100)

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7 0
3 years ago
What is 2*2^3 in expanded form?
katrin2010 [14]

Answer:

16

Step-by-step explanation:

To solve this question,we will have to understand some symbols in mathematics...

For example,* means ×

/ Means÷

We have so many of them

So back to the question

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So 2^3 is 8

Therefore,2*8 means 2×8

It equals to 16

Therefore the final answer is 16

I hope you understand it better now

5 0
3 years ago
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