6.6c - 3.6c - 2.3c = 0.7c
3.3m² + 4.9m² = 8.2²
=0.7c + 8.2²
Answer:
120 dollars ($120)
Step-by-step explanation:
(x = original price)
(0.8 is from 0.2 (20 percent) being discounted, meaning 96 is 80% {0.8} of the original price)
x × 0.8 = 96
÷ 0.8 ÷0.8
x = 120
check: 120 × 0.2 = 24
(20 percent of 120 is 24)
120 - 24 = 96
So, the original price was 120 dollars
----
remember: percentage can be found by multiplying by 0.percentage
for example, 10% of 100 = 100 × 0.10 = 10
also written as: 100 × 0.1 = 10
Answer:
(26.6,29.4)
Step-by-step explanation:
The 98% confidence interval can be computed as
Point estimate± Margin of error
Point estimate=mean number of hours watching TV by college students=28.
Margin of error=1.4.
The 98% confidence interval for mean number of hours watching TV per week for all college students
28± 1.4
(28-1.4,28+1.4)
(26.6,29.4).
The first thing that you would want to do is find the slope between points C and M. Once you find your slope, "repeat" it on the other side of your midpoint. Now you can find the coordinates of D; (0,7).