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attashe74 [19]
4 years ago
12

Select True or False. The expression 5x − 3(2x − 4) is equivalent to the expression 12 − x

Mathematics
1 answer:
yanalaym [24]4 years ago
3 0
True. When you distribute the equation it equals 12-x
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Help me pls!!! <br> 3x-2(6-x)=7x+2(5+x)-6
Strike441 [17]

3x-2(6-x)=7x+2(5+x)-6\\3x-12+2x=7x+10+2x-6\\5x-12=9x+4\\-4x = 16\\x = -4

Hope that helps!

8 0
3 years ago
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Can you help me please<br>Find the distance between the points (1,1) and (7,-7)
Vera_Pavlovna [14]

Answer:

10 units

Step-by-step explanation:

to find the distance between two points you will need to use the distance formula:

\sqrt{(x1-x2)^{2}+(y1 - y2)^{2}  }

the x1 refers to the x coordinate in the first bracket, the x2 refers to the x coordinate in the second bracket, etc.

insert the coordinates into the equation:

\sqrt{(1 - 7)^{2}+(1--7)^{2}  }

a double negative equals a positive

insert this equation into your calculator:

\sqrt{(1-7)^{2}+(1+7)^{2}  } = 10

∴ the distance between the points (1,1) and (7,-7) are 10 units

I hope this was helpful :-)

5 0
3 years ago
What is the value of 5/6 divided by 3/7
vaieri [72.5K]
The answer is 35/18 because you flip 3/7 and multiply it by 5/6
4 0
3 years ago
A janitor can clean 1/9 of a stadium in 1/3 of an hour. If he continues at this rate how much of the stadium can he clean pre ho
Mamont248 [21]
To find the the amount of how much the stadium is cleaned you can
3 0
3 years ago
Which set of side lengths defines a right triangle?
Snowcat [4.5K]
In a right triangle, the square of the largest side is equal to the sum of the squares of the smaller sides, so if you plug the sides in to that equation, you should get zero if those sides form a right triangle.
B is the only option where this is true, so I believe set B defines a right triangle.
4 0
3 years ago
Read 2 more answers
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