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RideAnS [48]
3 years ago
15

Rachel has 20 marbles in a jar. This table shows the number of blue, black, red, orange, and green marbles. What is the probabil

ity that if she randomly drew a marble out of the jar it would be orange?
A)15
B)14
C)25
D) 13

Mathematics
2 answers:
Tema [17]3 years ago
5 0
Assuming the numbers are percents, the answer is 25%, because 5/20 is 1/4, then convert the fraction to a percentage and you get 25%.
Elena-2011 [213]3 years ago
5 0
1/5 IS  THE ANSWER/you plug the correct values into the formula Probability = number of desired outcomes/number of possible outcomes, you get Probability = 4/20. Simplify this fraction to 1%DIV%5. AND YOUR ANSWER WILL = 1/5
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Ramon uses a metric tape measure to find the circumference of a model globe, as shown below.
igor_vitrenko [27]

Answer:

b

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
The general solution of 2 y ln(x)y' = (y^2 + 4)/x is
Sav [38]

Replace y' with \dfrac{\mathrm dy}{\mathrm dx} to see that this ODE is separable:

2y\ln x\dfrac{\mathrm dy}{\mathrm dx}=\dfrac{y^2+4}x\implies\dfrac{2y}{y^2+4}\,\mathrm dy=\dfrac{\mathrm dx}{x\ln x}

Integrate both sides; on the left, set u=y^2+4 so that \mathrm du=2y\,\mathrm dy; on the right, set v=\ln x so that \mathrm dv=\dfrac{\mathrm dx}x. Then

\displaystyle\int\frac{2y}{y^2+4}\,\mathrm dy=\int\dfrac{\mathrm dx}{x\ln x}\iff\int\frac{\mathrm du}u=\int\dfrac{\mathrm dv}v

\implies\ln|u|=\ln|v|+C

\implies\ln(y^2+4)=\ln|\ln x|+C

\implies y^2+4=e^{\ln|\ln x|+C}

\implies y^2=C|\ln x|-4

\implies y=\pm\sqrt{C|\ln x|-4}

4 0
2 years ago
Which of the following is the correct way to write seventy million as a numeral?
Inessa05 [86]
Which of the following is the correct way to write seventy million as a numeral?

As I see no choices the right way to write seventy million as a numeral is

70,000,000

Hope I helped!
3 0
3 years ago
Someone please help me with the perimeter and area of this problem
Tcecarenko [31]

Answer: Perimeter = 40

               Area = 204

Step-by-step explanation:

Perimeter is the sum of all the sides:

    11 + 12 + 17 = 40

The area of a triangle is 1/2 base x height

   1/2( 17 x 24)

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5 0
2 years ago
Need help with geometry
ra1l [238]
The answer is x=3 because abt+tbc=abc
3 0
3 years ago
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