3 years ago

Would you just subtract the numerators like normal? Like 7-5 the answer would be 2/9

Mathematics

1 answer:

Alex3 years ago

6 0

Yes, but only if the denominator is the same.

Hope this helps!

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What is the rate of change of the function described in the table?

stira [4]

Answer:

It’s 5

Step-by-step explanation:

4 0

2 years ago

If (a+b)^2=54, and (a-b)^=46, then a^2+b^2=?

erastovalidia [21]

$(a+b)^2 =a^2 +b^2 + 2ab = 54~~~.....(i)\\\\(a-b)^2 = a^2 +b^2 -2ab = 46~~~.....(i)\\\\\\(i)+(ii):\\\\(a+b)^2 +(a-b)^2 = 54+46\\\\\implies a^2 +b^2 + 2ab + a^2 +b^2 - 2ab =100\\\\\implies 2a^2 +2b^2 =100\\\\ \\\implies 2(a^2 +b^2) =100\\\\\implies a^2 +b^2 = \dfrac{100}2 = 50$

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2 years ago

Solve the system of equations below by graphing both equations with a

Marat540 [252]

Graph using slope and the y intercept

So y=x+5
You would plot the y intercept (0,5) and then go up 1 and to the right 1

The next graph plot y intercept (0,-1) and then go down 2 and to the right 1

And should look like the image

And your solution should be (-2,3) which is option c