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NeTakaya
3 years ago
5

If you change the sign of a point's x-coordinate,how does the location of the point change?

Mathematics
1 answer:
yuradex [85]3 years ago
4 0
If you change the point's x-coordinate, the point will move either to the left or the right, depending on if the number you change is negative or positive. 
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c

Step-by-step explanation:

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What is seven million written as numeral? ​
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The larger of two numbers is 5 less that twice the smaller if their sum is 70, find the numbers
Vikentia [17]

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6 0
3 years ago
Jack is 13 years younger than his older brother, Tyler. Their Dad is twice Tyler's age. The sum of their ages now is 91. Find Ja
grin007 [14]

Answer:

13 years old

Step-by-step explanation:

So to solve this we use a system of equations. Let's use "j" to represent Jack, "t" to represent Tyler, and "d" to represent the dad. Set the system up and it will look something like this:

j = t - 13 (Jack is 13 years younger than Tyler)

d = 2t (Dad is twice Tyler's age)

d + j + t = 91 (The sum of the ages is 91)

And then solve, I solved by isolating the "j" variable on the last equation, giving us j = 91 - t - d, then plugged that into the first equation, giving us 91 - t - d = t - 13, and got d = 104 - 2t. Then I plug that into d = 2t, giving us 104 - 2t = 2t, and solve for t. T is 26, meaning Tyler is 26 years old, and then I just subtract 13 from that, giving us 13 years old.

And finally, I obviously checked my answer, because now we know dad is 52, and I got 91.

5 0
2 years ago
Which property would you use to simplify the following expression 4(y+5)
Gelneren [198K]
Distribution property. You would distribute 4 into (y + 5), giving you the answer 4y + 20.
7 0
2 years ago
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