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Viktor [21]
2 years ago
8

Last year, Liz gave 90 piano performances. This year, she gave 126 piano performances. What is the percent of increase in the an

nual number of performances?
Mathematics
1 answer:
Rashid [163]2 years ago
6 0

Answer:

40%

Step by step explanation is given above

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Find the missing length
antoniya [11.8K]
117 (if you put the answer in the green box)

9^2 = 81 , 6^2=36
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Otherwise 10.82 if this is to the nearest hundredth
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2 years ago
X+2y=8 x-2y=-4 solve by system of equations
Vsevolod [243]

Answer:

Step-by-step explanation:

x + 2y = 8 -----------(I)

x - 2y  = -4 -----------(II)

Add equation (I) & (II) and thus y will be eliminated and we can get the value of 'x'

(I)           x + 2y = 8

(II)          <u>x - 2y  = -4</u><u>      </u>{Now add}

           2x         = 4

                   x   = 4/2

x = 2

Substitute x =  2 in equation (I)

2 + 2y = 8

    2y = 8 - 2

    2y = 6

      y = 6/2

y = 3

3 0
2 years ago
Which one should I choose.
Mice21 [21]

Answer: 9

54 ÷ 2

27

3x = 27

x = 9

7 0
3 years ago
I’m sorry I keep asking for help I’m not at my best self right now. Can you guys please help me again?
Semenov [28]

Answer:

which ones you want solved? all?

Step-by-step explanation:

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Please solve the question with the process​
loris [4]

Answer:

Step-by-step explanation:

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-2x-1=1-x-1

-2x+x=0+1

-x=1

x=-1

8 0
3 years ago
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