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zubka84 [21]
3 years ago
10

Solve the equation x2 = 10. x = 3/10 X = ✓10 x = +5 X = 5

Mathematics
1 answer:
Norma-Jean [14]3 years ago
6 0

Answer:

the answer is 5, because 5x2=10.

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A video game system and several games are sold for $ 648. The cost of the games is 3 times as much as the cost of the system. Fi
podryga [215]

First set up the equation.

x + 3x = 648

Then solve for x.

4x = 648

Divide both sides by 4.

x = 162.  So the answer for the system would be $162 and the price for the games would be $486.  Add the two up to check your work and you will get $648.  Hope this helped!

-TTL

5 0
3 years ago
The rational expressionwrite this ratio in the form p(x) + x/(x - 2) Where is some x - 2
loris [4]

Answer:

\frac{2x^2+5x-14}{x-2}=(2x+9)+\frac{4}{x-2}

Step-by-step explanation:

Given rational expression is,

\frac{2x^2+5x-14}{x-2}

x - 2) 2x² + 5x - 14(2x + 9

         <u>2x² - 4x</u>

                  9x - 14

                  <u>9x - 18</u>

                          4

Therefore, \frac{2x^2+5x-14}{x-2}=(2x+9)+\frac{4}{x-2} is the answer.

6 0
2 years ago
(x+x)^2 × -(x×(-1))=4+x-x^2 <br> solve for x, show work.
Anna71 [15]

Answer:

x = 1

x = -5/8   + i* root( 39)  / 8

or x = -5/8   - i* root( 39)  / 8

Step-by-step explanation:

(x+x)^2 × -(x×(-1))=4+x-x^2

solve for x, show work.

(x+x)^2 ×  -(x×(-1))     =   4+x-x^2

Simplify:

(2x)^2  * (-(-x))  =  4 + x -  x^2

4x*x * (-(-x)) = 4 + x - x*x

4*x*x*x  = 4  + x - x*x

4*x*x*x - 4  =  x *(1 - x)

4* (xxx - 1)  = x * (1- x)

4* (x - 1)*( x*x +x + 1)  =  x (1 - x)

4( xx + x + 1)  = -x

x = 1 is a solution.

4xx + 4x + 4 = -x

4xx + 5x + 4 = 0

x = -5/8  +   root(25 - 4*4*4) / 2*4

x = -5/8   + i* root( 39)  / 8

or x = -5/8   - i* root( 39)  / 8

also x = 1

6 0
3 years ago
Given m|n, find the value of x.
horsena [70]

Answer:

x=150

Step-by-step explanation:

x+30=180[co-interior angle]

x=180-30

x=150

6 0
3 years ago
What is the value of a in the equation 5a-10b=45, when b=3?
Ainat [17]

Answer:5a-30=45


Step-by-step explanation:

So something times 5 minus 30 will give you 45


8 0
3 years ago
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