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4 years ago

What does x mean in maths

Mathematics

2 answers:

dimaraw [331]4 years ago

7 0

It is a variable in math you solve for it can be any letter but O

Nana76 [90]4 years ago

3 0

X is usually the representation for the unknown number.

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If 5-3(2a+1)=-4a+10, what is the value of a+2

AlekseyPX

Answer:

-2

<em>BRAINLIEST, PLEASE!</em>

Step-by-step explanation:

5 - 3(2a + 1) = -4a + 10

5 - 6a - 3 = -4a + 10

2 - 6a = -4a + 10

-2a = 8

a = -4

-4 + 2 = -2

5 0

3 years ago

Read 2 more answers

Graph y−5=−23(x+9) using the point and slope given in the equation.

Mashcka [7]

Answer:

Plot (-9,5) then you do rise over run and go down 2 and to the right 3

Step-by-step explanation:

So your points would be (-9,5) and(-6,3)

6 0

3 years ago

What is?<br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%7D%7By%7D%20%20%2B%20x" id="TexFormula1" title=" \frac{x}{y} + x"

Fiesta28 [93]

Answer:

$\frac{x+xy}{y}$

Step-by-step explanation:

Given

$\frac{x}{y}$ + x

Multiply x by $\frac{y}{y}$ to create a common denominator

= $\frac{x}{y}$ + x × $\frac{y}{y}$

= $\frac{x}{y}$ + $\frac{xy}{y}$

= $\frac{x+xy}{y}$

7 0

3 years ago

BESTIES HELP PLEASE!!?!?!?!?&$

8090 [49]

Answer:

Yes no yes yes

Step-by-step explanation:

3 0

3 years ago

You are running an experiment in class where you draw colored marbles out of a bag. There are

MaRussiya [10]

Answer:

32768 ways

Step-by-step explanation:

Given

Marbles = 8 marbles

Selection = 5 (with replacement)

Required

Determine the number of ways

Because it is a selection with replacement; each selection is as follows:

$First = 8\ marbles$

$Second = 8\ marbles$

$Third= 8\ marbles$

$Fourth = 8\ marbles$

$Fifth = 8\ marbles$

Total number of ways is then calculated as:

$Total = 8 * 8 * 8 * 8 * 8$

$Total = 32768$

5 0

3 years ago