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Post New Question
All Questions
+0
230731 Questions
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2568
3
+83
A Few Probability Questions
For a certain group of students, the probability of randomly selecting a student who takes an art class is 41%, the probability of randomly selecting a student who takes a music class is 29%, and the probability of randomly selecting a student who takes
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RedBlue
Dec 21, 2017
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3772
13
+83
A bag contains different colored beads.
A bag contains different colored beads. The probability of drawing two black beads from the bag without replacement is 3/35 , and the probability of drawing one black bead is 3/10 .
What is the probability of drawing a second black bead, given that
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CPhill
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RedBlue
Dec 21, 2017
0
2270
3
+83
Probability Number cube
What is the probability of rolling a number greater than 4 on a number cube and then spinning an even number on a spinner divided into 12 equal sectors numbered 1 through 12?
(Answer with a simplified fraction please.)
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RedBlue
Dec 21, 2017
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929
2
+83
Probability Dependence
Independent or Not Independent: Selecting a red apple from a bag of apples, eating it, and then selecting a green apple from the same bag.
Independent or Not Independent: Rolling a 6 on a number cube and then rolling another 6 on
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RedBlue
Dec 21, 2017
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2130
1
1. Draw the image of under the dilation with scale factor 2 and center of dilation (0, 0). Label the image . ABC
this is the picture
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Guest
Dec 21, 2017
0
897
3
+956
Sound Intensity?
What is the sound intensity of a jackhammer that is rated at 90 dB?
I get 10^9 = 1000000000
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Julius
Dec 21, 2017
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1112
2
If 12x=5, what is 32x?
If 12x=5, what is 32x?
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Guest
Dec 21, 2017
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1
1358
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@CPhill
If you do this could you please put and explain every step and how you did it??? Thanks!!!
find each quotient and write it in rectangular form
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dom6547
Dec 21, 2017
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1757
1
A geometric sequence is defined by the equation an = (2)5 − 2n.
A geometric sequence is defined by the equation an = (2)5 − 2n.
Part A: What are the first three terms of the sequence?
Part B: What is the value of r?
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ElectricPavlov
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Guest
Dec 21, 2017
0
3255
1
Grade 10 Trigonometry
the angle of elevation from the top of a 16m building to the top of a second building is 48 degrees,
The buildings are 30m apart. What is the height of the taller building?
hectictar
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Guest
Dec 21, 2017
0
1928
1
How many multiples of 7 are there between 200 and 1,200?
How many multiples of 7 are there between 200 and 1,200?
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Guest
Dec 21, 2017
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2301
2
Suppose that you drop a ball from a window 45 meters above the ground. The ball bounces to 65% of its previous height with each bounce. What
Suppose that you drop a ball from a window 45 meters above the ground. The ball bounces to 65% of its previous height with each bounce. What is the total number of meters (rounded to the nearest tenth) the ball travels between the time it is dropped and
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Guest
Dec 21, 2017
-1
2390
1
+912
Simplify. 5i−54−−−−√
Simplify.
5i−54−−−−√
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AngelRay
Dec 21, 2017
-1
2945
1
+912
1. Simplify 0.4i − i.
1. Simplify 0.4i − i.
Enter your answer in the box.
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AngelRay
Dec 21, 2017
-1
3209
1
+912
Which answer is equal to i39 ?
Which answer is equal to i39 ?
−i
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AngelRay
Dec 21, 2017
0
1775
1
+912
Which expression is equal to 2−32−−−−√ ?
Which expression is equal to 2−32−−−−√ ?
hectictar
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AngelRay
Dec 21, 2017
Dec 20, 2017
+1
1908
2
+1438
help
In a certain pentagon, the interior angles are a degrees, b degrees, c degrees, d degrees, and e degrees, where a,b,c,d are integers strictly less than 180. ("Strictly less than 180" means they are "less
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hectictar
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SmartMathMan
Dec 20, 2017
+3
1650
3
+2441
Simple Proofs (Hopefully)
Can someone please prove the properties of exponents? Doing this will allow me to understand it better. Thanks.
TheXSquaredFactor
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TheXSquaredFactor
Dec 20, 2017
+1
990
2
+1438
help plz
Turtles can live a long time. This stem-and-leaf plot shows the ages (in years) of the turtles in the reptile house of the Kalamazoo Zoo:
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SmartMathMan
Dec 20, 2017
+1
917
1
+1438
help plz
For the data whose frequency histogram is shown, by how many days is the mean number of days missed per student greater than the median number of days missed per student for the 15 students? Express your answer as a common fraction.
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SmartMathMan
Dec 20, 2017
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763
3
HISTORY
Which statement about the Korean War is true?
A. President Truman never asked Congress for a formal declaration of war.
B. South Korea surrendered after communist China's army joined the conflict.
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Guest
Dec 20, 2017
0
931
2
+13
what is the original price?
john got a $6 discount off of a pair of tennis shoes. this was 12% off of the original price. what was the original price?
hectictar
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GrimmReaper
Dec 20, 2017
+1
2589
4
+1438
help
500 people are asked to name their favorite color. The results of this survey are shown in the pie chart below:
Each
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SmartMathMan
Dec 20, 2017
0
2944
4
+618
Let $f(x)=ax^2+bx+a$, where $a$ and $b$ are constants and $a\ne 0$. If one of the roots of the equation $f(x)=0$ is $x=4$, what is the other
Let $f(x)=ax^2+bx+a$, where $a$ and $b$ are constants and $a\ne 0$. If one of the roots of the equation $f(x)=0$ is $x=4$, what is the other root? Explain your answer.
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michaelcai
Dec 20, 2017
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