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shutvik [7]
4 years ago
7

Help please I don't get it

Mathematics
1 answer:
7nadin3 [17]4 years ago
7 0
Variables are letters used in the equation that represent unknown numbers. Ex. y=2x + 2. y & x are the variables bc you don't. know their value.
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Made up of quantities and the operations performed on them<br><br> what is this vocab word
maxonik [38]
Equation. This word may fit your definition of a set of values or numbers –intergers- coupled with basic operations. Equation is mathematical form of body where there are two adjacent corners which aims as the word says, equation. Take for instance in illustration 2x + 5x = 7x. This “equation” is composed of these numbers with unknowns and the operation of addition with them. When you have solved for 7x in the example, it only shows that to attain “equation”, solution is performed and done. Hence, these two works relationally.



7 0
3 years ago
Expand 6(x-8)= x- (8) = help me
maksim [4K]

Answer:

x = 8

Step-by-step explanation:

6(x-8)= x- (8)

6x - 48=x - 8

6x- 48 + 48 = x - 8 + 48

6x = x + 40

6x - x = x + 40 - x

5x = 40

5x/5 = 40/5

x = 8

Hope it helps! :)

3 0
3 years ago
Plzzzzz helpppp meeeee
Natalka [10]

Step-by-step explanation: its increasing

5 0
3 years ago
A chemical company makes two brands of antifreeze. The first brand is 30% pure antifreeze and the second brand is 55% pure antif
Phantasy [73]

Answer:

  • 64 gallons 30%
  • 96 gallons 55%

Step-by-step explanation:

The amount of each brand can be found by writing and solving an equation that makes use of the given relations.

<h3>Setup</h3>

Let x represent the quantity of 55% pure antifreeze needed in the mixture. Then the quantity of the 30% brand is (160-x). The amount of pure antifreeze in the mixture is ...

  0.55x +0.30(160 -x) = 0.45(160)

<h3>Solution</h3>

Subtracting 0.30(160), we have ...

  x(0.55 -0.30) = 160(0.45 -0.30)

  x = 24/0.25 = 96 . . . . . simplify, divide by the coefficient of x

96 gallons of the 55% brand, and 64 gallons of the 30% brand must be used.

__

Read more about mixture problems here:

brainly.com/question/26751698

4 0
2 years ago
Which list contains only values equivalent to 3/10
bekas [8.4K]

Answer:

C

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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