Guided Practice Simplify the expression. − 40 11 − 3

A.
− 40 8

B.
− 20 61 11 − 20 61 3

C.
− 5 11 −5 3

Step-by-step explanation:

Simplify the expression.

Exact Form:

−

73

11

Decimal Form:

−

6.

¯¯¯¯

63

Mixed Number Form:

−

6

7

11

−

40

11

−

3

Move the negative in front of the fraction.

−

40

11

−

3

To write  

−

3

as a fraction with a common denominator, multiply by  

11

11

.

−

40

11

−

3

⋅

11

11

Combine  

−

3

and  

11

11

.

−

40

11

+

−

3

⋅

11

11

Combine the numerators over the common denominator.

−

40

−

3

⋅

11

11

Simplify the numerator.

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−

73

11

Move the negative in front of the fraction.

−

73

11

The result can be shown in multiple forms.

Exact Form:

−

73

11

Decimal Form:

−

6.

¯¯¯¯

63

Mixed Number Form:

−

6

7

11

5x+2x=49

7x=49

x=7. 35 apples

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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answers

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step-by-step explanation: