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3 years ago

8 is 2/3 of what number?

Mathematics

2 answers:

Elena-2011 [213]3 years ago

6 0

Answer:

Step-by-step explanation:

8 is 1/3 of 24

so it's 2/3 of 12

weeeeeb [17]3 years ago

5 0

Answer:

Step-by-step explanation:

the number = x

2/3 of x =8

2x/3 = 8

2x= 24

x=12

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What is the greatest common factor of 18 and 45

lisov135 [29]

The prime factorization of 18 is: 2 x 3 x 3.
The prime factorization of 45 is: 3 x 3 x 5.
The prime factors and multiplicities 18 and 45 have in common are: 3 x 3.
3 x 3 is the gcf of 18 and 45.
gcf(18,45) = 9.

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3 years ago

The sum of two integers is 30 and their difference is 2

GalinKa [24]

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3 years ago

Cheryl is moving to a new house. Her old house is 3 kilometers and 457meters from her new house. How many meters is her old hous

MrRissso [65]

Answer:

Her old house is 3000m+457m = 3457m from her new house.

Step-by-step explanation:

Conversion of units problems can always be modeled as a rule of three problem.

Rule of three problem:

In a rule of three problem, the first step is identifying the measures and how they are related, if their relationship is direct of inverse.

When the relationship between the measures is direct, as the value of one measure increases, the value of the other measure is going to increase too. In this case, the rule of three is a cross multiplication

When the relationship between the measures is inverse, as the value of one measure increases, the value of the other measure will decrease. In this case, the rule of three is a line multiplication.

In the case of a conversion of units problem, the measures are:

- the value in one unit

- the value in another unit

As the value of the first unit increases, so will the value of the second unit. It means that in a conversion of units problem, we will always have a direct rule of three.

The problem states that Cheryl's new house is 3 kilometers and 457meters from her old house. The problem wants to know this distance purely in meters, so we have to convert 3km to meters. 1km = 1000m, so:

1km - 1000m

3km - xm

x = 1000*3

x = 3000m

Her old house is 3000m+457m = 3457m from her new house.

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3 years ago

Natalia picked 7 bushels of apples today and 4 bushels yesterday. How many more bushels did she pick today?

klasskru [66]

Answer:

Step-by-step explanation:

7-4