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3 years ago

Which are cubic functions? Check all that apply.

Mathematics

1 answer:

zhenek [66]3 years ago

4 0

Answer:

A, C and E.

Step-by-step explanation:

They are functions of degree 3 ( they contain an 'x^3' as the highest degree).

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Which image shows a reflection?

qaws [65]

Answer: A, because it is the closest one out of all the choices to show a reflection.
Reasons: B is just a translation, just moved down a few spots. And C has been moved 90 degrees clockwise.

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3 years ago

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2(4 – 2r) = -2(r + 5) How do you know if it's identity or no solution and show work

lesantik [10]

Answer: r = 9

Step-by-step explanation:

2(4 - 2r) = -2(r + 5)

8 - 4r = -2r - 10 distributed

8 = 2r - 10 added 4r to both sides

18 = 2r added 10 to both sides

9 = r divided both sides by 2

***********************************************************************************

Identity is when you end up with a TRUE statement after moving the x-values to one side of the equation.

For example: 2x + 2 = 2(x + 1)

2x + 2 = 2x + 2 distributed

2 = 2 subtracted 2x from both sides

TRUE so x is all real numbers

No Solution is when you end up with a FALSE statement after moving the x-values to one side of the equation.

For example: 2x + 1 = 2(x + 1)

2x + 1 = 2x + 2 distributed

1 = 2 subtracted 2x from both sides

FALSE so there are no solutions

5 0

4 years ago

20 points!!!

Svetach [21]

Answer:

Step-by-step explanation:

8 0

4 years ago

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Find the measure of the missing angles. 25 d e f

mihalych1998 [28]

Can you take a picture of the shape

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2 years ago

margo can purchase tile at a store for $0.79 per tile and rent a tile saw for $24 at another store she can borrow the tile saw f

dimaraw [331]

She must by 60 tiles for the prices to be even. 24+0.79x=1.19x x=amount of tiles. you subtract 0.79x from both sides. you should get 24=0.4x. then you divide 0.4 from both sides. you should get 60=x

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3 years ago