Isolate the variable "r". Add 2r to both sides, while subtracting 16 from both sides. You will be left with -20=5r. Then you need to divide 5 from both sides. Your answer will be -4=r.
Answer:
the coefficent is 1. the constant is 4.
Step-by-step explanation:
the constant is the number without a variable. the coefficent is the invisible 1 in front of every variable.
Answer:
roots: -2 and 5
Step-by-step explanation:
What are the roots of y = x2 – 3x - 10?
we see...
factor -10 .... using the X-method.
-10 = 2 * -5
where 2 + -5 = -3
so
y = (x +2)(x - 5)
roots are -2 and 5
Answer:
A). $50.27
Step-by-step explanation:
Add $39.99 and -$10.28 to get $50.27
3 to the power of 2 equals 9.