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horrorfan [7]
3 years ago
15

PLEASE I NEED ONE PERSON TO GIVE ME CORRECT ANSWER !!!

Mathematics
2 answers:
Julli [10]3 years ago
4 0
First answer is 12^2

Second answer is 1

Hope this helps. :)
galben [10]3 years ago
3 0
First one is 12^2
second one is 1
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PolarNik [594]

Answer:

8x+8

11x+3y

Step-by-step explanation:

it's just the normal addition if 1+2

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3 years ago
A painter charges $15.66 per hour, plus an additional amount for the supplies. If he made $190.08 on a job where he worked 7 hou
posledela
I think it’s C if I’m not mistaking
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3 years ago
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The roots of the quadratic equation $z^2 + az + b = 0$ are $2 - 3i$ and $2 + 3i$. What is $a+b$?
AlladinOne [14]
We know for our problem that the zeroes of our quadratic equation are (2-3i) and (2+3i), which means that the solutions for our equation are x=2-3i and x=2+3i. We are going to use those solutions to express our quadratic equation in the form a x^{2} +bx+c; to do that we will use the <span>zero factor property in reverse:
</span>x=2-3i
x-2=-3i
x-2+3i=0
<span>
</span>x=2+3i
x-2=3i
x-2-3i=0
<span>
Now, we can multiply the left sides of our equations:
</span>(x-2+3i)(x-2-3i)= x^{2} -2x-3ix-2x+4+6i+3ix-6i-3^2i^2
<span>= </span>x^{2}-4x+4-9i^{2}
= x^{2} -4x+4+9
= x^{2} -4x+13
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6 0
3 years ago
What is the volume of the composite figure shown below?
AVprozaik [17]

Answer:

2412 mm³

Step-by-step explanation:

In the figure attached, the composite figure is shown.

Dimension of top rectangular prism:

  • length of 13 millimeters
  • width of 12 millimeters
  • height of 12 millimeters

Volume of top rectangular prism: length*width*height = 13*12*12 = 1872 mm³

Dimension of bottom rectangular prism:

  • length of 15 millimeters
  • width of 12 millimeters
  • height of 3 millimeters

Volume of bottom rectangular prism: length*width*height = 15*12*3 = 540 mm³

Volume of the composite figure: 1872 + 540 = 2412 mm³

7 0
2 years ago
-b - 7?
Olegator [25]

Answer:

4 better xplanation inbox

Step-by-step explanation:

8 0
3 years ago
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