Answer:
$2.85
Step-by-step explanation:
First, we’re going to find the total the Uncle paid:
8.7 + 10.3 = 19
15% is 0.15 (You divide 15/100)
To find how much the tip was, we multiply 19 and 0.15
19(0.15) = 2.85
The uncle left a $2.85 tip
Answer:
is your answer
Step-by-step explanation:
=
to get to 96 you must multiply by 8
and since you did that for the bottom then you need to do the same for the top,
is your answer
Answer:
Step-by-step explanation:
(14 * 10)+ (14 * 7) = 14 * (10 + 7) = 14*17 = 238
Answer:
2, 16
Step-by-step explanation:
First, solve 10x + y = -20 for y: y = -20 - 10x
Next, substitute -20 -10x for y in the second equation:
-20 - 10x = 2x^2 - 4x - 16.
Rearranging, 2x^2 + 6x + 4 = 0
Simplifying, x^2 + 3x + 2 = 0
The roots of this poly eqn are -1 and -2. Therefore, x = -1 and x = -2.
One by one, subst. these x-values into y = -20 - 10x to find the corresponding y-values.
Your answers should look like this: (-1, y) and (-2, y) (different values for y).
