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Correct question
Noah drank 4/5 liter of water Monday before going jogging. He drank 2/3 liter of water after his jog. How much water did Noah drink altogether? Write your answer as a mixed number.
Answer:

Step-by-step explanation:
Noah drank 4/5 liter of water Monday before going jogging. He drank 2/3 liter of water after his jog.
To find the total liters of water he drank, we should add up the liter of water he drank on Monday before going jogging and liter of water after his jog.
4/5 + 2/3
Find the Lowest Common Multiple for 5 and 3 , which is 15.
= [(4×3) + (2×5)] /15
= 12 + 10/ 15
= 22/15
As a mixed Fraction, the answer
= 
Step-by-step explanation:

Thus first option is the correct answer.
Answer:
10
Step-by-step explanation:
2x - 3y = 24 ------ (1)
3x + 4y = 2 ------ (2)
(1) × 4,
8x - 12y = 96 ------ (3)
(2) × 3,
9x + 12y = 6 ------ (4)
(3) + (4)
17x = 96 + 6
= 102
x = 102 ÷ 17
= 6
Sub x = 6 into (2),
3(6) + 4y = 2
18 + 4y = 2
4y = 2 - 18
= -16
y = -16 ÷ 4
= -4
Therefore,
x - y = 6 - (-4)
= 6 + 4
= 10
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Answer:
Step-by-step explanation:
We want to determine a 90% confidence interval for the mean salaries of college graduates
Number of sample, n = 40
Mean, u = $62, 200
Standard deviation, s = $11,766
For a confidence level of 90%, the corresponding z value is 1.645. This is determined from the normal distribution table.
We will apply the formula
Confidence interval
= mean +/- z ×standard deviation/√n
It becomes
62200 +/- 1.645 × 11766/√40
= 62200 +/- 1.645 × 1860.4
= 62200 +/- 3060.358
The lower end of the confidence interval is 62200 - 3060.358 =59139.642
The upper end of the confidence interval is 62200 + 3060.358 =65260.358
Therefore, with 90% confidence interval, the mean mean salaries of college graduates is between $59139.642 and $65260.358
Answer:
There is no x-value that would lead to multiple y-values.
Step-by-step explanation:
PLATO answer