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3 years ago

Use a proportion to find 70% of 34. will Mark brainlest

Mathematics

2 answers:

Monica [59]3 years ago

8 0

Answer:

23.8

Step-by-step explanation:

10% of 34 is 3.4, you multiply that by 7 and get 23.8

Blababa [14]3 years ago

4 0

Answer:

23.8

Step-by-step explanation:

The world is filled with nice people. If you cant find one, be one.

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Step-by-step explanation:

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3 years ago

All Seasons Plumbing has two service trucks that frequently need repair. If the probability the first truck is available is 0.75

oksano4ka [1.4K]

Answer: There is a probability of 0.05 that there is neither truck is available.

Step-by-step explanation:

Since we have given that

Probability that the first truck is available = 0.75

Probability that the second truck is available = 0.50

Probability that both trucks are available = 0.30

So, probability that either first truck or second truck is available is given by

$P(A\cup B)=P(A)+P(B)-P(A\cap B)\\\\P(A\cup B)=0.75+0.50-0.30\\\\P(A\cup B)=0.95$

We need to find the probability that neither truck is available.

so, P(A∪B)'=1-P(A∪B)

$P(A\cup B)'=1-0.95=0.05$

Hence, there is a probability of 0.05 that there is neither truck is available.

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3 years ago