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3 years ago

What is the unit rate of 1/7 and 1/21 ? this is very confusing?

Mathematics

1 answer:

Xelga [282]3 years ago

5 0

Answer:

the unit rate of 1/7 is itself (1/7), and for 1/21 is 1/21.

Step-by-step explanation:

this is because these rates/ratios are unit fractions. so if the numerater is 1, theres nothing you can do to simplify it.

you can check with the ceaser method as well, but you're still going to find the same solution.

plus, for example, if it takes 7 grams of sugar to make 1 cake, it wouldnt make sense for 1 gram of sugar to make 7 cakes.

hope this helped clear up your confusion <3

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Volume of a cone = (1/3) * Area of Base * height
144 * 3 / 9 = Area of Base
Area of the Base = 48

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4 years ago

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vekshin1

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Lucas took his bike to a local park to ride on some bike trail.Trail A is 6 3/4 miles long.Trail B is 8 1/2 miles long. How many

Eddi Din [679]

Answer: Trial B is $1\dfrac{3}{4}$ miles longer then Trail A.

Step-by-step explanation:

Length of Trail A = $6\dfrac34$ miles

= $\dfrac{24+3}{4}$ miles = $\dfrac{27}{4}$ miles.

Length of Trail B = $8\dfrac12$ miles

= $\dfrac{16+1}{2}$ miles = $\dfrac{17}{2}$ miles.

Trial B is longer then Trail A by $\dfrac{17}{2}-\dfrac{27}{4}$ miles

$=\dfrac{17\times2}{2\times2}-\dfrac{27}{4}$ miles

$=\dfrac{34}{4}-\dfrac{27}{4}$ miles

$=\dfrac{7}{4}$ miles

$=1\dfrac{3}{4}$ miles

Hence, Trial B is $1\dfrac{3}{4}$ miles longer then Trail A.

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3 years ago

Given a population comprised of 30 bats, 15 gloves, and 60 balls, if sampling is random and one at a time without replacement, w

Makovka662 [10]

The probability would be 3/125 in the given conditions.

As there are 105 items, of which 30 are bats. The probability for that draw is 30/105.

There are now 104 items remaining, of which 15 are gloves. The probability of getting a glove now is 15/104.

There are now 103 items remaining, of which 60 are balls. The probability of getting a ball now is 60/103.

The probability of all three occurring = product of three

15/104* 30/105* 60/103

= 3/125

Hence the probability is 3/125.

Learn more about probability on:

brainly.com/question/13604758

#SPJ4

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2 years ago

List multiples of 4 between 20 and 46

Jlenok [28]

Answer:

4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48

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2 years ago