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Klio2033 [76]
3 years ago
9

Y=2x-pq rearrange the formula to make x the subject

Mathematics
1 answer:
professor190 [17]3 years ago
7 0
Y=2x-pq
2x=y+pq
x=(y+pq) / 2

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The phone lines to an airline reservation system are occupied 45% of the time. Assume that the events that the lines are occupie
dimaraw [331]

Answer:

0.1569 = 15.69%

Step-by-step explanation:

If eight calls were placed, and we need to know the probability of exactly two calls were occupied, we need to calculate a combination of 8 choose 2 (all the combinations of 2 occupied calls in the 8 total calls), and multiply by the probability of each case in the 8 calls (2 cases occupied and 6 cases not occupied):

P(8,2) = C(8,2) * p(occupied)^2 * p(not_occupied)^6

P(8,2) = (8*7/2) * (0.45)^2 * (0.55)^6

P(8,2) = 28 * 0.2025 * 0.02768 = 0.1569 = 15.69%

7 0
3 years ago
rail fares go up by 10%, and josie’s new season ticket to london costs £1342. calculate how much more she has to pay now than sh
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Answer:

£134.2 more

Step-by-step explanation:

Divide 1342 by 100

Then you get 13.42

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6 0
2 years ago
What is the y-intercept in the equation LaTeX: y=-3x+7y = − 3 x + 7?
poizon [28]
B answer is letter B
3 0
3 years ago
PLEASE HELP I HAVE AN F IN MATH I HAVE NO IDEA HOW TO DO THIS!!​
Galina-37 [17]

Answer:

1. C=10.6

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4. C=23.4

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Step-by-step explanation:

You can find the answer to these by doing the Pythagorean theorem.

a^2 + b^2 = c^2

7 0
3 years ago
4
emmasim [6.3K]

Answer:

A.    

Step-by-step explanation:

y=mx + b where m is the slope and b is the y-intercept.  So substituting 4/5 for m and 5 for b, you get answer A.

4 0
3 years ago
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