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3 years ago

10.2 is 21.25% of what number?

Mathematics

1 answer:

Tema [17]3 years ago

7 0

Answer: 48

Step-by-step explanation: Using proportions

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Jose runs 3 mikes in 28 minutes. At the same rate, how many miles would he run in 42 minutes?

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Answer:

$4.5 \: miles$

Step-by-step explanation:

$3 \: miles \: in \: 28 \: minutes.$

$x \: miles \: in \: 42 \: minutes.$

$28x=42 \times 3$

$28x=126$

$\frac{28x}{28}=\frac{126}{28}$

$x=\frac{9}{2}$

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3 years ago

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An owner wants to discount his pizza from $15 to $14.25, how much percent does he need to discount?

IrinaVladis [17]

Answer:

Step-by-step explanation:

Amount of money that is discounted

= $15 - $14.25

$0.75

Percentage that needed to be discount

=(0.75/15) * 100%

= 5%

Thus, owner needs to discount 5% to discount his pizza from $15 to $14.25.

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3 years ago

Q1.The cost of $16.50 for the music was reduction of 12% on the original cost.

NNADVOKAT [17]

Q1) £16.50 x 1.12 = £18.48
Q2)

2+9+1= 12
3h 33m = 213m
213/12 = 17.75
2x17.75 = 35.5 (music)
9x17.75 = 159.75 (films)
1x17.75 = 17.75 (books)

So it’s 159.75 minutes for the films to download

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3 years ago

The weights of bags of grasecks chocolate candies are normally distributed with a mean of 4.3 ounces and a standard deviation of

skelet666 [1.2K]

Answer: 0.2743

Step-by-step explanation:

Let X be a random variable that represents the weight of bags of grasecks chocolate candoes.

X that follows normal distribution with, Mean = 4.3 ounces, Standard devaition = 0.05 ounces

The probability that a bag of these chocolate candies weighs less than 4.27 ounces : $P(X$

$=P(z$

Hence, the required probability = 0.2743

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2 years ago

0.5 divided in to 4.5

Wittaler [7]

Answer:

it be nine argrgrgrg now fillllllller

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3 years ago

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10.2 is 21.25% of what number?​

10.2 is 21.25% of what number?