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DanielleElmas [232]
2 years ago
10

Find the greatest common factor of 24 and 45.

Mathematics
2 answers:
Anit [1.1K]2 years ago
5 0
3.

3x15=45
3x8=24.
Hope I helped!
Elena L [17]2 years ago
5 0

Answer:

It is 3

Step-by-step explanation:

It is 3 that is the GCF of 24 and 45

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The number of postage stamps in John’s collection is 27.

We have given that,

John, Johan, and Jonathan collect postage stamps. Johan and Jonathan have the same number of stamps.

<h3>What is an elimination method?</h3>

The elimination method is the process of eliminating one of the variables in the system of linear equations using the addition or subtraction methods in conjunction with the multiplication or division of coefficients of the variables.

Johan and Jonathan have the same number of stamps.

Let x be the Johan and Jonathan postal stamps.

Let y be the John postal stamps.

Two times Johan’s collection is eleven less than five times John’s collection.

2x = 5y - 11............(1)

Three times Jonathan’s collection is three less than seven times John’s collection.

3x = 7y - 3............(2)

Multiply equation 1 with 3

3(2x = 5y - 11)

⇒ 6x = 15y - 33.........(3)

Multiply equation 2 with 2

2(3x = 7y - 3)

⇒ 6x = 14y - 6.............(4)

Subtract equation 4 from equation 3

⇒ 6x - 6x = 15y - 33 - (14y - 6)

⇒ 0 = y - 27

⇒ y = 27

Hence, the number of postage stamps in John’s collection is 27.

Find more information about the elimination method here

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Can anyone enlighten me///... 3/4 - 2/5x = 1/x + 7/10
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What is the volume of the square pyramid shown below?
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Answer: C) 147cm^{3}

Step-by-step explanation:

First we need to calculate the area of the square base.

This is 7*7 which equals 49 cm squared.

Plug this value into the formula of a square pyramid which will be V = 49 * \frac{h}{3}, now plug in the h, which is 9 cm.

V = 49 * \frac{9}{3}

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V = 147 cubic cm.

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Step by step how to get 4.25 from 102 divided by 24
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It is 8.5, how you get it is simple. (Divide 102 by 24, then add 4.25 to that answer)
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The statements that are true about this study are:

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This is seen in the random selection of 100 children. The Control group was used with the first group that had no screen time.

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