MATHEMATICS HIGH SCHOOL

Make it 0 on one side

x2 - 2x + = 4(x2-2x +1)-3

Answers

Answer 1
Answer:

Answer:

-3x² +6x -1 = 0

Step-by-step explanation:

x2 - 2x + = 4(x2-2x +1)-3

x² - 2x = 4x²-8x +4 - 3

x²-4x²-2x+8x = 4-3

-3x² +6x = 1

-3x² +6x -1 = 0

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Answers

Answer:

C

Step-by-step explanation:

EDGE 2021

What is the exact area of the circle below? Show your work.

Answers

Answer: 1256.63706144

Step-by-step explanation: π*r^2

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= 1256.63706144

8u+3-u+2u=9 please help me I really need help in this

Answers

8u + 3 - u + 2u = 9

(8 - 1 + 2)u + 3 = 9

9u + 3 = 9  |subtract 2 from both sides

9u = 6    |divide both sides by 9

u = 6/9

u = 2/3

3x2 − y3 − y3 − z if x = 3, y = −2, and z = −5.

Answers

Plug in each variable:
3(3)²-(-2)³-(-2)³-(-5)
3(9)-(-8)-(-8)+5
27+21
The answer is 48

What does interior angle A of the polygon in the figure equal?

Answers

Based on the attached image, the interior angle A of the polygon in the figure equal 110 degrees. If you can see the image the angle A is equal to the angle on the other side. The angle A is an example of obtuse angle because has the size of more 90 degrees and less than 180 degrees. All the angles in the image are obtuse except the one angle in the top that measures 50 degrees.

Samantha buys one vase and x roses. The vase costs $15 and each rose costs $2.What function equation represents the amount of money Samantha spends?

f(x)=15x−2

f(x)=2x−15

f(x)=2x+15

f(x)=15x+2

Answers

I believe the correct answer from the choices listed above is the third option. The equation that would represent the amount of money Samantha spends would be f(x)=2x+15 where 15 represents the value of the vase which is a fix amount and 2x is the value of the roses.

Hope this answers the question. Have a nice day.

Answer:

f(x)=2x+15

Step-by-step explanation:
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