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3 years ago

Pls help urgently extra points and mark brainlist

Mathematics

1 answer:

BabaBlast [244]3 years ago

5 0

Answer:

Uplift of the Colorado Plateau was a key step in the eventual formation of Grand Canyon.

Step-by-step explanation:

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$14.65 plus what equals $65.00?

ziro4ka [17]

79.65

I used a calculator

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3 years ago

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PLZ HELP ME my teacher be buggin

Bumek [7]

We have a transversal across parallel lines so we get the usual array of congruent and supplementary angles. We just have to figure out which is which, and the diagram, even though not to scale, makes it pretty obvious.

Angle x isn't the same as the 40° angle so it must be its supplement.

Answer: C 140°

r=1.2, h=2.9, V = (1/3) πr²h

Nothing hard here, we just plug in the numbers,

V = (1/3) π (1.2)² (2.9) ≈ 4.37310

Answer: B. 4.4 cubic inches

Dilation by .5 makes a similar triangle, and reflection is an isomorphism (i.e. it doesn't change the size or shape) so the answer is

Answer: B similar not congruent

The corresponding interior and exterior angles of a triangle form a linear pair, so supplementary angles. x=180-110 = 70°

Answer: A 70°

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3 years ago

Simplify. 9x^8-18x^6

GrogVix [38]

You cannot simplify this but you can factorise it:

9x^6 (x^2 - 2)

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3 years ago

Find the y and x-intercept for -x+3y+3

Darya [45]

-x+3y+3=0 <-- This puts the expression into an equation to make it solvable.
3y+3=x <-- Use Addition Property of Exponents to move the (x) to the right
3y=x-3 <-- Use Subtraction Property of Exponents to move the (3) to the right
y= $\frac{1}{3}$ -1 <-- Use Division Property of Exponents to remove the 3 from y
y= $\frac{1}{3}$ -1 < This is the equation for the y-intercept

-x+3y+3=0 <-- Same as above, makes it so the expression is an equation to solve
-x+3=-3y <-- Use Subtraction Property of Exponents to move the 3y to the right
-x=-3y-3 <-- Use Subtraction Property of Exponents to move the 3 to the right
x=3y+3 <--Use Divison Property of Exponents to remove the -1 from x
x=3y+3 <-- This is the equation for the x-intercept

Hope this helped!

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3 years ago

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Graph the linear equation. x = - 9 help in any way u can please

alukav5142 [94]

This is a vertical line that goes through all points with an x-coordinate of -9.

To graph it, I can give you a couple of points this line goes through so you can draw it more easily.

Points that are on line: (-9,0) and (-9,1)

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3 years ago