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3 years ago

10

Which number line shows 485+408?

1 answer:

arsen [322]3 years ago

5 0

What are the number lines

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The space inside a circle is the _ of the circle.

n200080 [17]

Answer:

The space inside a circle is the area of the circle.

The border of the circle is the circumference of the circle.

8 0

3 years ago

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A bag contains 8 green marbles, 5 white marbles, and 2 red marbles.

hodyreva [135]

•in fraction form the answer is 2/15
•in percentage form the answer is 13.33333333...%

the way to figure this out is to add all the numbers up and divide it by the number of red marbles :)

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3 years ago

Factor the algebraic expression below in terms of a single trigonometric function. sin 2x + sin x - 2

Pie

Answer:

The factored form is (sin x +2)(sin x-1)

Step-by-step explanation:

We have been given the trigonometric function $\sin^2 x +\sinx-2$

We can factor this by AC method. In AC method we multiply the term a and c and then write the middle term b in such a way that the sum/difference is equal to the product 'ac'

Using the method, we can write sinx as 2sinx -sinx

$\sin^2 x +2\sinx-\sin x-2$

Now, we group the first two terms and the last two terms

$(\sin^2 x +2\sinx)+(-\sin x-2)$

Now, we take GCF from each group

$\sin x(\sin x +2)-1(\sin x+2)$

Factor out (sinx+2)

$(\sin x +2)(\sin x-1)$

Therefore, the factored form is (sin x +2)(sin x-1)

7 0

3 years ago

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(0,8)<br> (-2,0). What is the equation of the linear graph shown?

Alex73 [517]

Answer:

4

x value increases by 2 in the time it takes y value to increase by 8

8/2 = 4

6 0

3 years ago

What percentage of U.S. states have names that start with the letter W

Eduardwww [97]

50 states, 4 start with W (Washington, West Virgina, Wisconsin, Wyoming)
So its 8%

3 0

3 years ago