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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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NEED HELP WITH 7 AND 8<br> I WILL GOVE BRAINEST ONLY IF YOU ACTUALLY DO THE PROBLEMS
mihalych1998 [28]
7:
Parallel lines have the same slope
y = -3x + b
Plug in the x and y values from the point
5 = -3(-4) + b
5 = 12 + b
-7 = b
Answer to 7: y = -3x -7

8:
Perpendicular lines have opposite reciprocal slopes
y = -2x + b
Plug in x and y from the point
-6 = -2(7) + b
-6 = -14 + b
8 = b
Answer to 8: y = -2x + 8
3 0
2 years ago
How many 3cm cubes can be put in a box 3cm long 6cm wide 12cm high?
lisov135 [29]

Answer:

8

Step-by-step explanation:

A cube is equal on all sides. Therefore the cubes must be 3cm x 3cm x 3cm. Therefore, each cube has an area of 27cm^3. The box that the cube has an area in is 3cm x 6cm x 12 cm which = 216cm^3. If you do 216cm^3/27cm^3 = 8 cubes

7 0
2 years ago
Read 2 more answers
I am very confused please solve and explain.
e-lub [12.9K]

Answer:

c = \frac{b^2-R^2}{4a}

Step-by-step explanation:

Given

R= \sqrt{b^2-4ac}

Clear the radical by squaring both sides

R² = b² - 4ac ( subtract b² from both sides )

R² - b² = - 4ac ( multiply all terms by - 1 )

b² - R² = 4ac ( divide both sides by 4a )

\frac{b^2-R^2}{4a} = c

6 0
3 years ago
Read 2 more answers
What is the slope of the line that passes through the points (-2,3) and (-14, -5)?
TEA [102]
Slope = 2/3 (positive 2/3)
You use the formula Y2-Y1/X2-X1 in order to get the slope

8 0
2 years ago
What are the roots of -12x2 + 11x − 3 = 0?
boyakko [2]
This equation is not factor-able, so we can use the quadratic formula.
x=(-11+square root(11^2-4(-12*-3)))/(2*-12)
x=(-11+square root(-23))/(-24)
Since we have the square root of a negative in this equation, there are no real roots for the quadratic.
6 0
3 years ago
Read 2 more answers
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