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End points:

when x is going left (into negatives) y is going down (into negatives), and when x is going right (into positives) y is going up (into positives) 

Tried to make it easier to understand.

Leading coefficient is positive, and it is cubic.

Turning points are equal to degree minus one, so the number of turning points is 2

since the leading coefficient is positive, when x -> negative infinity, then y -> negative infinity

and

when x -> infinity, y-> infinity

Let N be the first integer and N + 1the second...and we have

N + (N + 1)    = 153 simplify

2N + 1  = 153     subtract 1 from both sides

2N  = 152    divide both sides by 2

N  = 76

And N + 1  = 77

Thank you Guest! 

y=(3x^3)-x-3
 

That's just one of them.

18.99 rounded to one decimal place

Look at the second decimal

If it is between 0 and 4, including 0 and 4, then round down. Otherwise, round up

the second decimal is 9

Follow the rule above. Since the number 9 isnt between 0 and 4, round up

18.99 rounded to the nearest tenth is 19.

Post your problems.....

26- Right.

27-Right.

28-Right.

|-3+7| = |4| = 4

|-3| +7 = 3+7 = 10

Solve for x:
(2 x + 7) (x^2 - 2) = 0

Split into two equations:
2 x + 7 = 0 or x^2 - 2 = 0

Subtract 7 from both sides:
2 x = -7 or x^2 - 2 = 0

Divide both sides by 2:
x = -7/2 or x^2 - 2 = 0

Add 2 to both sides:
x = -7/2 or x^2 = 2

Take the square root of both sides:
Answer: |x = -7/2       or       x = sqrt(2)       or       x = -sqrt(2)

72+43=115

Proof: 
 ¹72
+43

-------

 115

Math actually helps with a LOT of day to day things. From how much of an ingredient you need to bake a cake to things like how a bridge needs to be made so it can be structurally stable to even the Internet! So many things need math. 

For this calculator, type in acos(n), n can be any number.

From the center of the circle, draw 3 lines that each create a 120 degree angle when paired with one another.

I figure 

d it out

I tried but cant fogure it out no paper next to me hold on

21 JK

it is 19 

Wow you blowed my mind

well thanks for apologizing

yea it doesnt mean we are stupid multiple people have posted that we dont wanna answer it again

2.5

Or it just means everyone is tired of answering the same question 80 times.

P.S. 9+10=19