Answer:
-1/3
Step-by-step explanation:
-10(3x)=10
-30x=10
x=10/-30
x=-1/3
Answer:
3
Step-by-step explanation:
substitute -2 in where y is.
the subtraction sign in front of the 3 makes it negative so -3 x -2 is positive 6.
4x+6=18, subtract 6 on both sides.
4x=12
divide 4 on each side.
×=3
Answer:
the ratio is 1 : 1.75
Step-by-step explanation:
16
––
30
because there are 30 inches in all and 16 out of the 30 are concrete
Answer:
(x+6i)(x-6i)(x+1)
So the zeroes are 6i, -6i, -1
Step-by-step explanation:
Factor by grouping
h(x) = x^2(x+1) + 36(x+1)
h(x) = (x^2+36)(x+1)