3r-6=-21
3r-6+6=-21+6 (Add 6 to both sides...)
3r=-15
r=-5
3r-6=21
3r-6+6=21+6 (Add 6 to both sides...)
3r=27
r=9
r=-5 or r=9
There are 453.592 grams in a pound. Hope this helps!
Answer:
I think you mean: x^2 + 3x - 10, then
x^2 + 3x - 10
= x^2 + 5x - 2x - 10
=x(x + 5) - 2(x + 5)
=(x - 2)(x + 5)
Hope this helps!
:)
Answer:
she would need to get a 95 !
Step-by-step explanation:
Answer:
the fraction equivalent to 15+80 is 5(3+16)
Step-by-step explanation:
To check out work we can multiply the term outside the parenthesis with the term inside of it. So 5 times 3 is 15 and 5 times 16 is 80. Or also 15+80. That is the same as the expression above so that means 5(3+16) is equivalent to 15+80