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scoundrel [369]
3 years ago
12

Thirty-five girls out of 100 play a musical instrument.what percentage of the girls do not play a musical instrument?

Mathematics
2 answers:
andrey2020 [161]3 years ago
6 0
65% all you have to do is 100-35 
LekaFEV [45]3 years ago
4 0
It would be 65% because its out of 100 and 35 subtracted by 100 is 65
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How to solve the system of equations algebraically for all values of x, y, and z
stich3 [128]
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2x +y + 3z =  0...............(2)
-x +2y - 5z = 17...............(3)

First we multiply 3*(2) and add it to (1) 
6x +3y +9z =0..................+(1)..................> 10x + 10z = -10......(4)

Then we multiply -2*(2) and add it to (3) 
-4x -2y -6z =0 ...................+(3)................> -5x -11z = 17...........(5)

Multiply  2*(5) and add it to (4)
-10x -22z = 34...................+(4).................> -12 z = 24 ..............>>> z = -2

Substitute z in (4)............> 10x +10(-2) = -10.............................>>> x = 1

Substitute x and z in (2).....> 2(1) +y + 3(-2) =  0..................>>> y = 4

Solution (x,y,z) = (1,4,-2)

4 0
3 years ago
15 is p% of 60, what is the value of p? ​
Setler [38]

p% × 60 = 15

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therefore value of p is 25

6 0
3 years ago
Y=x+6<br>x+y=8<br><br>now graph 3 points on the line x+y=8​
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8 0
2 years ago
The mean of 100 numerical observations is 51.28 what is the value of the sum of all 100 numbers
zlopas [31]
\dfrac{x_1+x_2+\cdots+x_{99}+x_{100}}{100}=51.28

which means the sum of the 100 numbers must be

x_1+x_2+\cdots+x_{99}+x_{100}=100\times51.28=5128
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2 years ago
A round swimming pool has a circumference of 66 feet Carlos snags to buy a rope or put across the diameter of the pool the rope
lina2011 [118]
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8 0
3 years ago
Read 2 more answers
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