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lara31 [8.8K]
3 years ago
15

Please help ill give brainliest, and explain the answer too please

Mathematics
1 answer:
Basile [38]3 years ago
3 0

Answer:

x^2+2

Step-by-step explanation:

since (x^2+2x+1) is negative from the subtraction symbol in front, the entire thing turns negative. The equation turns into 2x^2+2x+3-x^2-2x-1=...

if you solve this equation you will get x^2+2 by adding the like terms together

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How is the number 0.000005 written in scientific notation?
nirvana33 [79]

Answer:      The answer is A. 5.0 x 10-5

i hope it helps. Have a nice day                                                                                                                  

Step-by-step explanation:

the decimal number 0.00005 written in scientific notation is 5 × 10-5

4 0
2 years ago
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Compare the equation, y = 9x - 4x2, the graph below, and the table below. Which has the steepest rate of change from x = 1 to x
jeka57 [31]
The correct answer to this question is  C. equation, –3

The equation is 
<span>y = 9x - 4x^2
</span>y = -4x^2 + 9x
y = -x(4x - 9)

The steepest rate of change from x = 1 to x =2

x = -1 ; y = 0
x = 1 ; y = 2
x = 2 ; y = 0
x  =3 ; y = -4

So, based from the table show, the steepest rate of change is <span>C. equation, –3</span>
4 0
3 years ago
To solve for y in the equation 2 x + y = 5, subtract 2 from both sides of the equation.
steposvetlana [31]

Answer:

False.

Step-by-step explanation:

Because we have to isolate y and subtracting 2 will not put y alone on one side.

We have to subtract 2x in order to solve for y.

3 0
3 years ago
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Divide: 6 ÷ 1/2=12
schepotkina [342]
I believe the answers are:
1. Twelve circles
2. Two equal parts
3. 6 parts would be shaded
6 0
2 years ago
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A3ft board weighs 2 pounds. How much<br> does a 12 ft board weigh?
quester [9]

Answer:

8 pounds

Step-by-step explanation:

3 ft board = 2lb

12 ft board is 4 times more so

2x4 = 8 lb

7 0
2 years ago
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