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bixtya [17]
2 years ago
15

Anjali was keeping track of how far she walked. She walked 1 1/10 miles on Monday, 4 4/5 miles on Wednesday, and 2 1/4 on Friday

. What was the total distance she walked? show your work using decimals. pls help
Mathematics
2 answers:
Bumek [7]2 years ago
8 0

Answer:

8.15 miles

Step-by-step explanation:

Monday: 1 1/10 miles = 1.1

Multiply by 10 to get to 100

Wednesday: 4 4/5 miles = 4.8

Multiply by 20 to get to 100

Friday: 2 1/4 miles = 2.25

Multiply by 25 to get to 100

1.1 + 4.8 + 2.25 = 8.15 miles

Aleks [24]2 years ago
4 0
8.15. is the answerrrrr
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The route used by a certain motorist in commuting to work contains two intersections with traffic signals. The probability that
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Answer:

a) P(X∩Y) = 0.2

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Step-by-step explanation:

Let's call X the event that the motorist must stop at the first signal and Y the event that the motorist must stop at the second signal.

So, P(X) = 0.36, P(Y) = 0.51 and P(X∪Y) = 0.67

Then, the probability P(X∩Y) that the motorist must stop at both signal can be calculated as:

P(X∩Y) = P(X) + P(Y) - P(X∪Y)

P(X∩Y) = 0.36 + 0.51 - 0.67

P(X∩Y) = 0.2

On the other hand, the probability P_1 that he must stop at the first signal but not at the second one can be calculated as:

P_1 = P(X) - P(X∩Y)

P_1 = 0.36 - 0.2 = 0.16

At the same way, the probability P_2 that he must stop at the second signal but not at the first one can be calculated as:

P_2 = P(Y) - P(X∩Y)

P_2 = 0.51 - 0.2 = 0.31

So, the probability that he must stop at exactly one signal is:

P = P_1+P_2\\P=0.16+0.31\\P=0.47

7 0
3 years ago
11 12 13 Please help! Will reward brainliest
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11. 9/20
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Help please and thank you
Alekssandra [29.7K]

Answer:

B

Step-by-step explanation:

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