D is the correct answer, since:
If you factorize the denominator of the first fraction is x(x-5)
And if you factorize the denominator of the second fraction is (x-5)(x+7)
So to get the common denominator between the 2 fractions is x(x-5)(x+7)
Divide both by -23
and if you divide by (minus value ) you should change the sign to the other direction
so x<-1
Answer:
0.3265
Step-by-step explanation:
that should be right but your question is confusing
Answer:250 N
Step-by-step explanation:
Given
mass of skater on left side 
mass of skater on right side 
If the skater on the left experience a force of 
If they push against each other then they must experience an equal force according to newtons third law
Thus 
Thus skater on right experience
force
Answer:
A
Step-by-step explanation:
Adding a negative is the same as subtracting a positive
Keep Change Change
ex. -9.2 - 6.7 = -9.2 + -6.7
Keep Change Change
-9.2 + -6.7