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uysha [10]
2 years ago
12

Look at photo and answer.

Mathematics
1 answer:
11111nata11111 [884]2 years ago
3 0

Answer:

h.

\frac{9 {x}^{10}(y. {x}^{3}) {}^{2}   }{y.x(3 {x}^{3}) {}^{3}  }  \\  \\  =  \frac{9 {x}^{10}(y {}^{2} )( {x}^{6} ) }{3y. {x}^{10} }  \\  \\  =  \frac{ {3}^{2}  {x}^{16} {y}^{2}  }{3y {x}^{10} }  \\  \\  =  3y {x}^{6}

j.

\frac{(3x. {y}^{7} ) {}^{2}. {x}^{5}  }{3 {x}^{7}  {y}^{4} }  \\  \\  =  \frac{3 {x}^{2} . {y}^{14} . {x}^{5} }{3 {x}^{7} {y}^{4}  }  \\  \\  =  \frac{ {3x}^{7}  {y}^{14} }{3 {x}^{7} {y}^{4}  }  \\  \\  =   {y}^{10}

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X + 2y =6<br> X- y =3<br> Solution?
VikaD [51]
Since one equation has a negative y and the other has a positive y, I'm going to use those since they cancel each other out. Before that, the two y's need to be equal to each other.

x+2y=6
x-y=3

Multiply the bottom equation by two so then you have:

x+2y=6
2x-2y=6

The y's now cancel out:

x=6
2x=6

Add them together

3x=12

Divide

x=4.

To find y, plug x into either equation (*don't have to do both, but I will)

(4)+2y=6
(4)-y=3

Subtract four

2y=2
-y=-1

Divide each

2y/2 = 2/2
y=1

-y/-1 = -1/-1
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The answer is:
x=4
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I hope that helps!
4 0
3 years ago
Read 2 more answers
A candle burns down at the rate of 0.5 inches per hour. The original height of the candle was 9 inches.
Anton [14]
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4 0
3 years ago
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examine the diagram to the right then use the information provided in the diagram to find the measures of angles x , y, z. For e
sergiy2304 [10]

Answer:

Step-by-step explanation:

The letters are virtually impossible to read. I'll do my best, but recognize it is why you are not getting answers. I take y to be next to the 100 degree angle and part of the triangle.

I take x to be to the left of y. It is equal to the 28o angle because of the tranversal properties.

Finally z is the exterior angle of the triangle and as such has properties of z = y + 28 where y and 28 are remote interior angles to the triangle.

so x = 28 because of the transversal cutting the two parallel lines. They are equal by remote exterior angles of parallel lines.

y = 180 - 100 - 28 = 52

Finally z = 52 + 28 = 80 degrees because x and y add to 80 degrees.

If the assumptions are incorrect, could I trouble you to repost the diagram or correct the errors I  have made.

4 0
3 years ago
Need help with math problem give 5 stars and brain thingy point
Nadusha1986 [10]

Answer:

There are 12 sections, out of the 12 sections the third section is marked. So that would be, 3/12 which simplifies to 1/4

5 0
2 years ago
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A rectangle on a coordinate plane has vertices at (7,5),(-7,5),(-7,-2),and (7,-2) what is the perimeter of the rectangle?
Nadya [2.5K]

Answer:

Your Perimiter is 42

Step-by-step explanation:

Distance from 7,5 to -7,5 is 14

Distance from -7,5 to -7,-2 is 7

Then we double both those numbers as it is a rectangle

2l + 2w = Per...

28 + 14 = 42

MARK AS BRAINLIEST

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3 years ago
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