A process used to convert units and rates using a conversion factor and multiplication

Mathematics

1 answer:

lyudmila [28]3 years ago

3 0

Dimensional Analysis

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A) 2x-5y=10

r-ruslan [8.4K]

Answer:

Step-by-step explanation:So to find it you need to eliminate either x or y. 2x-5y=10 over 4x-10y=20. In order to get y to eliminate you need one equation to have a positive 10y and a negetive 10y. So you multiply both sides of the first equation by negetive 2 so it is now, -4x+10y=-20. Notice how all the numbers in both equations are opposite this gives us ims infinitaly many sollutions. So it is not A. Or b it will do the same thing. The answer is either D or C hope this helps

5 0

3 years ago

What is the name of this point T.

lesya692 [45]

Answer:

I believe it is, T

Explanation:

Because points mostly have to be labeled, the ‘name’ of this point is T.

Hopefully this helped!

7 0

3 years ago

A positive real number is 2 less than another. When 4 times the larger is added to the square of the smaller, the result is 49.

Kobotan [32]

Answer:

The numbers are

$-2+3\sqrt{5}$ and $3\sqrt{5}$