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N76 [4]
3 years ago
7

A bag of marbles has 5 red marbles, 6 blue marbles, 8 green marbles, and 2 yellow marbles. What

Mathematics
2 answers:
horsena [70]3 years ago
8 0

Answer:

2/7  2/15

Step-by-step explanation:

Alexus [3.1K]3 years ago
6 0

Answer:   \bold{\dfrac{1}{35}}

<u>Step-by-step explanation:</u>

\dfrac{\# \text{of blue marbles}}{\text{total marbles}}\times \dfrac{\#\text{of yellow marbles}}{\text{total remaining marbles}}\\\\\\=\dfrac{6}{21}\times \dfrac{2}{20}\\\\\\=\large\boxed{\dfrac{1}{35}}

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Which relationship between x and y in the equation shows a proportional relationship?
seraphim [82]
It is A. Let me know if the answer is correct! :)

7 0
3 years ago
Maricella solves for x in the equation 4x-2(3x-4)+4=-x+3(x+1)+1. She begins by adding –4 + 4 on the left side of the equation an
Elodia [21]

Maricella’s strategy is incorrect as the values added on the left and right side of the equation changes the original equation 4x-2(3x-4)+4=-x+3(x+1)+1  to  4x-2(3x-4)+4=-x+3(x+1)+3.

Further explanation:

Maricella begin by adding -4+4 on the left side of the equation and 1+1 on the right side of the equation 4x-2(3x-4)+4=-x+3(x+1)+1.

The value added on the left is equal to zero so it does not change the equation but the value added on the right is 2, a non-zero digit so it changes the equation as shown below.

4x-2(3x-4)+4-4+4=-x+3(x+1)+1+1+1\\4x-2(3x-4)+4+0=-x+3(x+1)+1+2\\4x-2(3x-4)+4=-x+3(x+1)+3

Therefore, the strategy used by Maricella will change the equation and so the solution of the equation will be incorrect.

One way of solving such a linear equation is by adding or subtracting the required value on each side of the equation. and then simplifying the further equation.

Similarly, the other way to solve any linear equation is by separating the variable terms on one side of the equation and constant terms on the other side of the equation.

After this simplify the linear equation to obtain the solution of the equation for x.

Whereas Maricella’s strategy fails to solve the equation 4x-2(3x-4)+4=-x+3(x+1)+1 since the values added and subtracted in the equation changes the original equation completely.

Learn more:

1. Linear equation application brainly.com/question/2479097

2. To solve one variable linear equation brainly.com/question/1682776

3. Binomial and trinomial expression brainly.com/question/1394854

Answer details

Grade: Middle school

Subject: Mathematics

Chapter: Linear equation

Keywords: equation, linear equation, Maricella, right side, left side, strategy, solve for x, adding, subtracting, variable, constant, solution of the equation, value, original equation, variable terms, constant terms.

4 0
3 years ago
Read 2 more answers
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daser333 [38]

I think it's a rational number.

7 0
3 years ago
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Part 1 of 2
raketka [301]

Answer:

The coach ticket she bought was =$142 and the

The first ticket was =$1002

That is so the amount of coach ticket she bought was 1560 and the first class ticket is 11880

4 0
3 years ago
Charlene wants to build a fence around her rectangular garden. The garden measures 20 meters by 60 meters. 
myrzilka [38]
The perimeter because the fence goes AROUND the yard, not in it.

P = 2w + 2l

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P = 160

Charlene needs 160 meters of fencing material.
3 0
4 years ago
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