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daser333 [38]
3 years ago
9

HELP worth 20 pts :Which are equations? Select all that apply

Mathematics
2 answers:
dolphi86 [110]3 years ago
7 0

Answer:

12 = 3/4x, x - 4.8 = 9, and x - 3.1x = 14.7 + 12

Step-by-step explanation:

xeze [42]3 years ago
4 0

Answer:

12 = 3/4x, x - 4.8 = 9, and x - 3.1x = 14.7 + 12 are all equations because you have an equal sign that has you solve for each side and you can solve for the variable, unlike with the other ones you can't solve for the variable.

Step-by-step explanation:

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Lady_Fox [76]
Your answer would be C. 2
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3 years ago
How do you find the least common for 3 and 8?
sesenic [268]

The least common multiple of 3 and 8 is 24.

The least common multiple of two numbers is the lowest value number that is a multiple of both the numbers. To find the least common multiple of 3 and 8, you first list their multiples:

Multiples of 3: 3, 6, 9, 12, 15, 18, 21, 24...

Multiples of 8: 8, 16, 24, 32, 40, 48, 56...

When you compare the two lists of multiples, you can see that the number 24 is the lowest number that is a multiple of both 3 and 8, so it is their LCM, or least common multiple.


<em>HOPE THAT HELPS!!!!</em>

8 0
3 years ago
Someone please help marking brainliest
Luda [366]
Answer: (1, 4)


Explanation: When using the method of elimination, the goal is to eliminate a variable by either adding or subtracting the 2 equations. For this question, you can choose either to eliminate X or Y. I’ll eliminate X as an example:

In order to eliminate a variable, the same variable in both equations must have the same coefficient.

(1) 3x+y=7
(2) 2x+5y=22

Multiply (1) by 2:

(3) 6x+2y=14

Multiply (2) by 3:

(4) 6x+15y=66

Now that X in both equations has the same coefficient of 6, you can subtract the two equations to officially eliminate the variable and solve for Y:

Subtract (4) from (3):

-13y=-52
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Now that you have the value of Y, substitute that into either one of the equations to get X. I’ll use the first equation as an example:

3x+(4)=7
3x=3
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Therefore, the point of intersection is (1, 4).


Hope this helps シ

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2 years ago
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Answer:

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Step-by-step explanation:

mnmnmnmncmmxmxmxmnxmnmmncxmcx

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There is not enough information did they share the pizza before the ones left or after that means there could be 2 probable outcomes
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