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Softa [21]
3 years ago
5

ANOTHER ONE LOL You exercise for ¾ of an hour. You jump rope ⅓ of that time. What portion of the hour do you spend jumping rope?

Mathematics
2 answers:
ivann1987 [24]3 years ago
8 0

Answer: 15 minutes

Step-by-step explanation:

60 / 4 = 15

15 * 3 = 45

45 / 3 = 15

Artemon [7]3 years ago
8 0

Answer:

Step-by-step explanation:

Time spent on jump rope = 1/3 of 3/4

                                           = \dfrac{1}{3}*\dfrac{3}{4}=\dfrac{1}{4} \ hour or 15 minutes

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35+4

35 + 4 \sqrt{5}

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In one or two sentences briefly describe the functions of the structures of the immune system:
CaHeK987 [17]
Answer is F because of bones
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In a certain community, 36 percent of the families own a dog and 22 percent of the families that own a dog also own a cat. In ad
zysi [14]

Answer:  a) 0.0792   b) 0.264

Step-by-step explanation:

Let Event D = Families own a dog .

Event C = families own a cat .

Given : Probability that families own a dog : P(D)=0.36

Probability that families own a dog also own a cat : P(C|D)=0.22

Probability that families own a cat : P(C)= 0.30

a) Formula to find conditional probability :

P(B|A)=\dfrac{P(A\cap B)}{P(A)}\\\\\Rightarrow P(A\cap B)=P(B|A)\times P(A)   (1)

Similarly ,

P(C\cap D)=P(C|D)\times P(D)\\\\=0.22\times0.36=0.0792

Hence, the probability that a randomly selected family owns both a dog and a cat : 0.0792

b) Again, using (2)

P(D|C)=\dfrac{P(C\cap D)}{P(C)}\\\\=\dfrac{0.0792}{0.30}=0.264

Hence, the conditional probability that a randomly selected family owns a dog given that it owns a cat = 0.264

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3 years ago
Drilon got 63 out of 72 correct in his test. What fraction of the marks did he get correct?
tatyana61 [14]

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87.5%

Step-by-step explanation:

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A fully-loaded truck is carrying grain to a storage silo. if the truck is 8 feet wide, 40 feet long, and 4 feet deep, how many b
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