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Post New Question
All Questions
+0
230593 Questions
+1
495
1
help
George flips an unfair coin 7 times. The coin has a probability of 1/4 coming up heads and a probability of 3/4 coming up tails. What is the probability that he flips exactly 2 tails?
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Guest
Feb 6, 2019
+2
567
2
What is the prime number
What is the prime number
Pigglepoox2007
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Guest
Feb 6, 2019
+1
777
3
+1124
just algebra q2
My second question for the day is this:
I don't understand how one would go about the 3 which is multiplied with an exponential number. I'm going to be bold and place the last sum I have here as well, because
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juriemagic
Feb 6, 2019
+2
820
13
+1124
Just algebra
Hi clever people!!,..please this morning i have 3 sums for you guys..i am totally stumped by these!
it says to simplify without a calculator:
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juriemagic
Feb 6, 2019
+1
1830
6
+116
please help as soon as possible!
The sum of a geometric series whose first three terms are 8000, -12000, and 18000 is 57875. What is the last term of the series?
A geometric series has a sum of 180. Assuming that the common ratio of that series is , find the
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somebody
Feb 6, 2019
+1
789
1
+55
please help me with chemistry im freaking out
i have no idea what im supposed to do for a reduction problem please help me
What was the initial temperature of a gas contained in a 2.0-L bottle at a pressure of 1.00 atm if it was placed under vacuum and its pressure was reduced to
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flanspawn
Feb 6, 2019
+1
343
1
Please Help!(include work pls thx)
If the area of a circle is 16 mm2, what is the radius of the circle?
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Guest
Feb 6, 2019
+3
869
3
+2862
Which is larger?
(532000)/(531999) or (532000-2000)/(531999-2000)
PLEASE EXPLAIN, DONT JUST SAY THE ANSWER
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CalculatorUser
Feb 6, 2019
+1
1076
2
help
A turn consists of rolling a standard die and tossing a fair coin. The game is won when the die shows a 1 or a 6 and the coin shows heads. What is the probability the game will be won before the fourth turn? Express your answer as a common fraction.
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Guest
Feb 6, 2019
+1
346
1
help
jimmy has 12 cookies, he eats 2 of them, and gives one to his mom, how many does he have left
off-topic
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Guest
Feb 6, 2019
0
709
4
+0
can anyone help me with my homework
i need help with my homework plz
off-topic
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Clelz
Feb 6, 2019
0
420
1
Helllllppppp ppllllleeeeeaaaaassssseeeee!
Remember the general form of an exponential function: f (x) = a • b x . Determine values for a and b. Write the appropriate exponential function.
I need help on this problem and dont
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Guest
Feb 6, 2019
+1
1113
1
+1993
The focus of a parabola is (−3,−4) .
The focus of a parabola is (−3,−4) . The directrix of the parabola is y=1 .
What is the equation of the parabola?
y=−1 /10 (x−3/2)^2+3
y=−1/20(x−3/2)^2−3
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jjennylove
Feb 6, 2019
+1
1
789
3
+422
I am Ill at Ratios, Please Help so I can Learn
The ratio of Og's clubs to skins is 5:3, if he trades 4 of his clubs for 2 more skins, the ratio of clubs to skins will be 8:7. How many more clubs than skins does Og have before any trading occurs?
Answer Choices
A. 8
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APatel
Feb 6, 2019
+1
2595
5
+1993
Which equation represents a parabola
Which equation represents a parabola that has a focus of (0, 0) and a directrix of y = 4?
x^2=−8y
x^2=−8(y−2)
x^2=−2(y−2)
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jjennylove
Feb 6, 2019
+1
1751
4
+422
The sume of the first 100 positive multiples of 4 is _ more than the sum of the first 100 positive multiples of 3.
The sume of the first 100 positive multiples of 4 is _ more than the sum of the first 100 positive multiples of 3.
Answer Choices
A. 100
B. 400
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APatel
Feb 6, 2019
Feb 5, 2019
0
1179
4
Math Help
1) What is the smallest positive integer n such that the rightmost three digits of n! and (n+1)! are the same?
2)N=1991*1993*1995*1997*1999. What is the sum of the hundreds, tens and units digits of N?
3) What is the remainder when
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Guest
Feb 5, 2019
0
537
1
Summation.....
Sum up the following sequence: 1/1^6 + 1/3^6 + 1/5^6 + 1/7^6 +.....+1/n^6. Find the exact answer. Any help would be appreciated. Thank you.
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Guest
Feb 5, 2019
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