132 Answered Questions for the topic Helpful Tips
11/02/16
Find the probability of three balls
A bag contains 4 White and 7 Black balls. Three balls are selected without replacement.
A = 1 W 2B
B = at least one black ball
a. Find P(A)
b. Find P(B)
c. Are A and B independent?
d. Find...
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11/02/16
Find the probability of these Computer Chips
Computer Chips are manufactured with 20% defective. Five chips are drawn at random with replacement off an assembly line.
a. Find the probability that exactly 3 chips are defective.
b. Find...
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09/27/16
How do I factor out the coefficient of 2.4n + 9.6? This gets confusing to me.
HOW? This stuff is confusing
Helpful Tips
09/26/16
How do you solve
-2x + y + 4z = 5 X + 3y - z = 2 4x + y -6 z =11
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09/26/16
what is 5=9s
please help me because I have no idea how to do this and I don't want to get in to trouble
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Helpful Tips
09/26/16
What is w/9=9-8. What is the w.
please help me out. I don't know how to do this problem. So please help me out with my work.
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09/08/16
ENGLISH introduction&atheists HELP!
I am writing a paper about effectiveness of taking an online class. I'm struggling putting a intro and thesis together. My body points...
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09/06/16
Stone thrown vertically up at a velocity of 36ft per sec from a bridge 61ft above level water.
H=-16t"2"+36t+61
A)Draw a picture
B)Find the time when the stone is again 61 feet above the water.
C) find the time when the stone strikes the water. (Show answer reduced to lowest term,...
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09/06/16
Determine if the statement is true or false. Justify answer
i44+i150-i74-i109+i61=-1
Justify answer please
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09/06/16
Application section 1.4
1) Cube -1-i square root of 3
"SHOW WORK" so I understand better thank you
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Helpful Tips
08/22/16
562.41 gross and net 474 what's the percentage
562.41 gross and net 474 what's the percentage
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Helpful Tips
08/21/16
The temperature at 5pm is 20 degrees ferenhait. the temperature at 10pm is -5 degreese ferenhait. how many degrees did the temperature fall?
The temperature at 5 pm is 20 degrees fereheit. The temperature at 10 pm is -5 degrees ferenhait. How many degrees did the temperature fall?
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08/19/16
When tom simplified the expression -2.6 + (-5.4) he got 2.8. What mistake did tom likely make?
Can you also tell how you got the answer
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06/06/16
Need help understanding how to solve logarithmic equations for my test tommorrow.
1) 2x =4 3√8
2) 5x=76
3) log31/27=x
4)23x-1=30
thanks it's much appreciated!
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Helpful Tips
05/31/16
Identify and describe two types of distrubtions?
I know this all is connected to distribution, but I need some help here, please.
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05/14/16
Variable equation
Movie tickets to a nighttime movie cost $8 and a daytime movie costs $3. Susan goes to the movie a total of 7 times and spends $41. Define two variables x and y explaining the meaning of each and...
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04/29/16
Volume & Similarity
a cylindrical bottles holds 1 litre of oil. A second cylindrical bottle has the same height but twice the radius. It also contains oil. a) explain why these bottles are not similar. b) How much oil...
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Helpful Tips Probality
04/27/16
Patrick missed 6 out of his last 18 free throws. What is the experimental probability that Patrick will miss his next free-throw attempt?
i need help please math is really hard for me at times
04/24/16
I am having trouble with adding the cost of something based on gram or kilograms ?
For example if I need 30 g of garlic and it costs $10.00/1000g how much would it cost?
Any help would be appreciated!
Helpful Tips
03/29/16
in a math test can score 012 or three marks on six questions there's only one way to score 18 and six wizards or 17 and how many ways can a student score 16
Jejdjiznsbeysjnsbwhekdmid
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03/28/16
find the remaining zeros of f
f(x)=x4+8x3+2x2-80x-75 given that -5 is a zero of multiplicity 2
Helpful Tips
03/02/16
at a store 2 bannanas and 2 kiwis cost $7.85. At the same store 5 bannanas and 2 kiwis cost $6.50. How much more does a kiwi cost then a bannana?
I don't even know where to start. I would like help please. I have a test tomorrow and was told this was one of the problems.
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Helpful Tips Math
02/12/16
the equation 4 1/2 c=
i need help on this problem may you help me? please!
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