All Questions ⁺⁰237665 Questions

+1

586

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?

Guest Feb 6, 2019

+2

644

2

What is the prime number

What is the prime number

Pigglepoox2007 ●●

Guest Feb 6, 2019

+1

858

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 read more ..

juriemagic Feb 6, 2019

+2

877

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:
read more ..

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juriemagic Feb 6, 2019

+1

1879

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 read more ..

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somebody Feb 6, 2019

+1

865

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 read more ..

flanspawn Feb 6, 2019

+1

428

1

Please Help!(include work pls thx)

If the area of a circle is 16 mm2, what is the radius of the circle?

Guest Feb 6, 2019

+3

946

3

+2864

Which is larger?

(532000)/(531999) or (532000-2000)/(531999-2000)

PLEASE EXPLAIN, DONT JUST SAY THE ANSWER read more ..

CalculatorUser Feb 6, 2019

+1

1141

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. read more ..

Guest Feb 6, 2019

+1

433

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

Guest Feb 6, 2019

0

803

4

+0

can anyone help me with my homework

i need help with my homework plz

off-topic

Clelz Feb 6, 2019

0

508

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 read more ..

Guest Feb 6, 2019

+1

1174

1

+1995

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 read more ..

jjennylove Feb 6, 2019

+1

1

864

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 read more ..

APatel Feb 6, 2019

+1

2638

5

+1995

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) read more ..

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jjennylove Feb 6, 2019

+1

1815

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 read more ..

APatel Feb 6, 2019

Feb 5, 2019

0

1223

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 read more ..

Guest Feb 5, 2019

0

631

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.

Guest Feb 5, 2019

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