Write and solve a word problem that involves changing the dimensions of a figure and finding its area

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Answer 1

Answer: I realy have no idea how to use this app can you help me

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Given that the f(y) = y - 1 and g(y) = y^3 - 2y - 1, find (gof) (y)I and hence, (gof) (-6).

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$(g \circ f)(y)=(y-1)^3-2(y-1)-1\n(g \circ f)(y)=y^3 - 3 y^2 + 3 y - 1-2y+2-1\n(g \circ f)(y)=y^3 - 3 y^2 +y\n\n(g \circ f)(-6)=(-6)^3-3\cdot(-6)^2+(-6)\n(g \circ f)(-6)=-216-108-6\n(g \circ f)(-6)=-330$

A.
Which diagram shows 1 and 2 as vertical angles? A,b,c or d?

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C. Vertical angles are the angles on opposite sides of intersecting lines.

If a angle is 4 times bigger than its supplement what will its measure be

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Supplementary angles mean that two angles equal to 180°.

Let us assume the 2 angles are angle A and angle B.

Angle A is 4 times bigger than Angle B, the supplement.

Let Angle B be represented by x.

Angle A is 4x ; Angle B is x.

4x + x = 180°
5x = 180°
x = 180°/5
x = 36° This is the measure of angle B.

4x = 4(36°) = 144° This is the measure of angle A.

4x + x = 180°
144° + 36° = 180°
180° = 180°

Simplify the expression by combining like terms. 1/2d−3/4d+3f−2f

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Answer:

-1/4d+f

Step-by-step explanation:

First find a common denominator for the like terms 1/2d and -3/4d by multiplying 1/2d by 2/2 to get 2/4d.

Now you have common denominators so 2/4d-3/4d=-1/4d.

For the numbers that have a variable of f, 3f-2f=f.

Therefore the answer is -1/4d+f

Hope this helped!

Is 4/10 greater than 3/8

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Yea 4\10 is bigger because 10 is bigger than 8

no you are wrong just because ten is greater than 8 is the answer the answer is 3/8 because 8÷3=3.6666666667 but 10÷4 is 3.5 3.6 is greater so the answer is 3/8

Brain was asked to round 4.44 to the nearest tenth and said it was 4.5 Is he correct?Why or Why not?

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Brian (I think you meant Brian haha..) is incorrect because the tenth place is the number right after the decimal which is a 4. If you are rounding to the tenth place that means that you have to look at the number to the right of that, which is 4. 5 and up means you round up and 4 and down means you round down. This is a 4, so you keep the 4 after the decimal and get rid of the last 4. Therefore, when rounded it would be: 4.4.
Hope this helped! Good luck! :)

The answer is 4.4 hope i helped :)

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