Answer: it is in absolute value form, so when you take it out the signs would change to 7 + 42 = 49
Step-by-step explanation:
Hello there!
Knowing that you have a swimsuit of an original price of $20.30 that is discounted 65%, you can find the price of the swimsuit after the discount by first finding 65% of your original price.
To find 65% of your original price, multiply 65% to 20.30:
0.65*20.30
=13.195
Now, subtract this amount from your original price:
20.30-13.195
=7.105
Finally, round to the nearest cent to get $7.11 dollars as your final answer.
Hope this helps and have a marvelous day! :)
The answer is b 20
because the ratio of both is 1:2
and then x =10 then z=20
brainliest and follow please
Answer:
(−14.850850 ; 0.565135)
Step-by-step explanation:
Confidence interval :
Xd ± Tcritical * Sd/√n
Population 1 :30 35 23 22 28 39 21
Population 2 : 45 49 15 34 20 49 36
d = -15,-14,8,-12,8,-10,-15
The mean of d, Xd = Σx / n = - 7.14285714
The standard deviation of the difference, Sd = 10.4948967 (using calculator)
Sample size, n = 7
Tcritical at 90%, df = 7 - 1 = 6
Tcritical = 1.943176
Confidence interval :
- 7.14285714 ± 1.943176 * 10.4948967/√7
Confidence interval :
- 7.14285714 ± 7.7079925
(−14.850850 ; 0.565135)
