Answer:
a. 0
b. Yes
c. The manufacturers claim is not plausible
d. 0.3446
e. A sample mean life time of 39.8hr is not unusually short.
f. The manufacturers claim us plausible
Step-by-step explanation:
Please see attachment
Answer:
.75? A pair of jeans sells for $36 after a 25% discount. What is the original price of the jeans? x-0.25x=36
Step-by-step explanation:
$36. Explanation: To find the sale price we can set up a proportion. 25/100 = x/48. ... Then we subtract this discount from the original price yielding 48 – 12 = 36; thus, she ... This cost will be equal to the percent remaining after the discount.
Given:
60% of what he earns is for spending.
40% of what he earns is for savings.
n = earnings
r = savings
r = n(100-60%)
r = 109 (40%) = 43.60
r = 200 (40%) = 80.00
r = 400 (40%) = 160.00
r = 500 (40%) = 200.00
n r
109 43.60
200 80.00
400 160.00
500 200.00
Answer:
Step-by-step explanation:
20 is a constant, the rate of change of y is 0.045x, so the rate is stated as 0.045
Answer:
its B, D, E
Step-by-step explanation:
i just had the question
