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2 years ago

0,1,2,3 How many 6-digit numbers divisible by 6 can be made using these numbers?

Mathematics

1 answer:

Soloha48 [4]2 years ago

6 0

5 and 4 digit only Po that's the answers

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Use substitution to solve the following system of equations. What is the value of y? {3x+2y=12{5x−y=7 A) y = -3B) y = 3C) y = -2

Vlad [161]

Answer

B) y = 3

Step-by-step explanation

Given the system of equations:

$\begin{gathered} 3x+2y=12\text{ \lparen eq. 1\rparen} \\ 5x-y=7\text{ \lparen eq. 2\rparen} \end{gathered}$

Isolating x from equation 1:

$\begin{gathered} 3x+2y-2y=12-2y \\ 3x=12-2y \\ \frac{3x}{3}=\frac{12-2y}{3} \\ x=\frac{12}{3}-\frac{2}{3}y \\ x=4-\frac{2}{3}y\text{ \lparen eq. 3\rparen} \end{gathered}$

Substituting equation 3 into equation 2 and solving for y:

$\begin{gathered} 5(4-\frac{2}{3}y)-y=7 \\ 5\cdot4-5\cdot\frac{2}{3}y-y=7 \\ 20-\frac{10}{3}y-y=7 \\ 20-\frac{13}{3}y=7 \\ 20-\frac{13}{3}y-20=7-20 \\ -\frac{13}{3}y=-13 \\ (-\frac{3}{13})\cdot-\frac{13}{3}y=(-\frac{3}{13})\cdot-13 \\ y=3 \end{gathered}$

6 0

1 year ago

You have $35 to spend on candy and soda is $0.75 each. Assume x represents the amount of candy and y is the amount of sodas purc

sukhopar [10]

<h3>Answer:</h3>

x + 0.75y = ≤ 35

<h3>Explanation:</h3>

The amount of candy purchased, plus the amount of soda purchased times the amount per soda must be less than or equal to 35.

I hope this helps, let me know if it's wrong though.

7 0

3 years ago

<img src="https://tex.z-dn.net/?f=what%20is%208%28y-3%29" id="TexFormula1" title="what is 8(y-3)" alt="what is 8(y-3)" align="ab

Brrunno [24]

8y-24 should be your answer

3 0

3 years ago

Read 2 more answers

30 POINTS!!!!!

Oksi-84 [34.3K]

5(4x – 3) + 13x – 6

20x-15+13x-6

adding common

33x-21

3 0

3 years ago

Put the steps in order to show how to solve the equation 4y - 7 = 25

kumpel [21]

Answer: E, A, D, C, B

Step-by-step explanation:

First, we need to get y alone. So we will add 7 to the side of the equation that has the 4y in it.

So the first one will be.

Add 7 to both sides of the equation.

Now the second one is

4y = 25 + 7 Because what you do to one side of the equation, you do to the other. So we add 7 to 25.

Then the 3rd one will be 4y = 32 because 25+7 is equal to 32. But we still have that 4y on the other side of the equation. So the next equation is 4y = 32.

The second to last step is Divide both sides by 4 because thats

how you isolate y. So once you divide both sides by 4. You will get 8. Leading you into the next and final step.

Y = 8

And thats how you do it!

8 0

3 years ago