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IgorC [24]
2 years ago
9

Help me please!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
iren [92.7K]2 years ago
5 0

Answer:

A. x^6

Step-by-step explanation:

z =  {y}^{2}  =  {( {x}^{3} )}^{2}  =  {x}^{3 \times 2}  =  {x}^{6}

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.. 10 is what percent of 7? Round the nearest whole percent.
romanna [79]

Answer:

143%

Step-by-step explanation:

\frac{10}{7}x100=142.9%=143%

7 0
3 years ago
What is the surface area of a right circular cylinder with a diameter of 14 meters and a height of 9 meters
Umnica [9.8K]

Answer:

This is your answer ☺️☺️☺️

4 0
2 years ago
How many solutions are there to this equation 3x(x-4)+5-x=2x-7
stich3 [128]

Answer:

  2 solutions

Step-by-step explanation:

I like to use a graphing calculator to find solutions for equations like these. The two solutions are ...

  • x = 1
  • x = 4

__

To solve this algebraically, it is convenient to subtract 2x-7 from both sides of the equation:

  3x(x -4) +5 -x -(2x -7) = 0

  3x^2 -12x +5 -x -2x +7 = 0 . . . . . eliminate parentheses

  3x^2 -15x +12 = 0 . . . . . . . . . . . . collect terms

  3(x -1)(x -4) = 0 . . . . . . . . . . . . . . . factor

The values of x that make these factors zero are x=1 and x=4. These are the solutions to the equation. There are two solutions.

__

<em>Alternate method</em>

Once you get to the quadratic form, you can find the number of solutions without actually finding the solutions. The discriminant is ...

  d = b^2 -4ac . . . . where a, b, c are the coefficients in the form ax^2+bx+c

  d = (-15)^2 -4(3)(12) = 225 -144 = 81

This positive value means the equation has 2 real solutions.

4 0
3 years ago
)Robert is using the following data samples to make a claim about the house values in his neighborhood:
Dafna11 [192]
The answer would be A. He should use the mean because it is in the center of the data. I hope this helped ^^
4 0
3 years ago
Which of these numbers is in the solution set of x + 5 = 15? A. 10 B. 3 C. 20 D. 11
stealth61 [152]

Answer:

A

Step-by-step explanation:

10 + 5 = 15

6 0
3 years ago
Read 2 more answers
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