4x^2 + 8x - 11x + 6 - 5x^2 + 2A. -x^2 - 3x + 8
B. -x^2 + 3x + 8
C. x^2 - 3x + 8
D. x^2 + 3x + 8

Answers

Answer 1

Answer: I like to change all the subtraction to addition of the negative.
4x^2 + 8x + (-11x) + 6 + (-5x^2) + 2
Now combine the like terms.
-x^2 -3x + 8

Your answer is A: -x^2 - 3x + 8

Answer 2

Answer: 4x^2 + 8x - 11x + 6 - 5x^2 + 2
(4x^2 - 5x^2) + (8x - 11x) + 6 + 2
-x^2 - 3x + 6 + 2
-x^2 - 3x + 8

The answer is: -x^2 - 3x + 8.

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What is one extensive and one intensive property of marker ink?

Answers

One extensive property of marker ink is volume, whereas one intensive property of marker ink is color.

an exclusive clothing boutiques doubles the price of the item that purchases for resale part 1 out of 2 what is the Boutiques markup percent?

Answers

9514 1404 393

Answer:

100%

Step-by-step explanation:

The markup of the item is the difference between the sale price and the cost:

2 - 1 = 1 . . . . markup of 1 on cost of 1

The percentage markup is the ratio of markup to cost, converted to a percentage:

markup/cost × 100% = 1/1 × 100% = 100%

The boutique's markup percentage is 100%.

The percent that you get from multiplying both of them ?

What is value of x?

Enter your answer in the box.

Answers

the answer for x is 9

step-by-step

find perimeter of the triangle
2x + x = -5 + 8 + 10 + 14
3x = 27
x = 27/3
x = 9

CAN SOMEBODY HELP ME WITH THIS?????? I WILL MARK BRAINLIESTCAN SOMEBODY HELP ME WITH THIS?????? I WILL MARK BRAINLIEST

Answers

Answer:

2/7 or about 29%

Step-by-step explanation:

2 are blue and there are 7 cards total so 2/7 and 2 divided by 7 is .2857 or .29 (29%).

Answer:

2/7

Step-by-step explanation:

There are 7 envelopes and 2 blue envelopes so the probability that the envelope will be blue is 2/7

For the function f(x) = -2(x + 3)^2 -1, identify the vertex, domain, and range. A.) The vertex is (3, -1), the domain is all real numbers, and the range is y ≥ -1. B.) The vertex is (3, -1), the domain is all real numbers, and the range is y ≤ -1. C.) The vertex is (-3, -1), the domain is all real numbers, and the range is y ≤ -1. D.) The vertex is (-3, -1), the domain is all real numbers, and the range is y ≥ -1

Answers

ok so domain is all allowed numbers look at deonomenator and don't allow any numbers that will make it zero none that means domain=all real numbers vertex in form y=a(x-h)^2+k (h,k)=vertex we have y=-2(x+3)^2-1 h=-3 k=-1 vertex=(-3,-1) range the vertex opens down so max is y=-1 y≤-1 domain is all real vertex is (-3,-1) y≤-1 C

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