All Questions

686

+386

Find n

This one is bugging me hard:

S (initial state)=10 000 read more ..

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TonyDrummer2 Aug 6, 2016

Aug 5, 2016

571

unsure how to do this combination formula.

How many combinations of 3 can I make with the first 18 numbers. For example 1,2,3 1,2,4, 1,2,5 etc. Things like 1,3,5 and 1,5,3 are considered the same.

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Guest Aug 5, 2016

803

+89

Could someone help me with these questions please?

1. (a) Sketch the graph of the function f(t) = 45(1 + e −.01 t ) for t ≥ 0 indicating clearly the values of f(t) at t = 0, 1, 3, 5, 10. What is the limiting value of f(t) as t becomes infinitely large?

(b) Find the annual percentage read more ..

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Kcc2468 Aug 5, 2016

542

Area of a circle

What is the area of a circle with a radius of 4.5m....I got 63.61m2

Please help Thanks.

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Guest Aug 5, 2016

749

+89

please help?

1. (a) Sketch the graph of the function f(t) = 45(1 + e −.01 t ) for t ≥ 0 indicating clearly the values of f(t) at t = 0, 1, 3, 5, 10.
What is the limiting value of f(t) as t becomes infinitely large?

(b) Find the annual read more ..

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Kcc2468 Aug 5, 2016

724

At age 25, James, rhinkin ahead, deposits $2500 into a retirement account with an average annual interest rate of 11%.

At age 25, James, rhinkin ahead, deposits $2500 into a retirement account with an average annual interest rate of 11%.
A) Find Jeames' age when his investment is wirth ten times its original value.
b) If James had funded this account read more ..

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Guest Aug 5, 2016

584

NASA is designing a robotic spacecraft to visit Neptune. The probe will use the radioactive isotope Plutonium-238(Pu-238) as a power source. One gram of

NASA is designing a robotic spacecraft to visit Neptune. The probe will use the radioactive isotope Plutonium-238(Pu-238) as a power source. One gram of Pu-238 generates 0.56 watts of thermal power and has a half-life of 87.7 years. The generator that converts read more ..

Guest Aug 5, 2016

715

The exposure value,EV, of a photograph can be calculated from the time, t, in seconds that the shutter was open and the value of the f-stop,f, the

The exposure value,EV, of a photograph can be calculated from the time, t, in seconds that the shutter was open and the value of the f-stop,f, the picture was taken at using by using the logarithmic equation:
EV=logbase2(f^2/t)
a. use read more ..

Guest Aug 5, 2016

4281

A sequence of real numbers (x_n) is defined recursively as follows x_0=a and x_1=b are positive real numbers, and x_(n+2)=(1+x_(n+1))/(x_n)

A sequence of real numbers (x_n) is defined recursively as follows x_0=a and x_1=b are positive real numbers, and x_(n+2)=(1+x_(n+1))/(x_n) for n=0,1,2,... Find the value of x_2012, in terms of a and b.

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Guest Aug 5, 2016

2067

Ashley, Bon, Carol, and Doug are rescued from a desert island by a pirate who forces them to play a game. Each of the four, in alphabetical order by first

Ashley, Bon, Carol, and Doug are rescued from a desert island by a pirate who forces them to play a game. Each of the four, in alphabetical order by first name, is forced to roll two dice. If the total on the two dice is either 8 or 9, the person rolling read more ..

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Guest Aug 5, 2016

778

How do you write sigma ?

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Guest Aug 5, 2016

2715

+389

Simplify (1+3+5+...+199)/(2+4+6+...+200).

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Dabae Aug 5, 2016

1091

+389

Find the infinite sum of 1/7+2/7^2+1/7^3+2/7^4+...

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Dabae Aug 5, 2016

1898

+24

I have an unlimited supply of standard 6-sided dice. What's the fewest number of dice that I have to simultaneously roll to be at least 90% likely to roll at

I have an unlimited supply of standard 6-sided dice. What's the fewest number of dice that I have to simultaneously roll to be at least 90% likely to roll at least one 6?

I am aware that this is a repost, but could someone please read more ..

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Username1233qw4 Aug 5, 2016

477

Irrational number

What is a irrational number?

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Guest Aug 5, 2016

515

I NEED $102.73c NOW!!!!!!!!!!!!!!!

I need $102.73c and I get paid $5.00 every week on Saturday, how long will it take for me to get $102.73c

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Guest Aug 5, 2016

719

+24

Dice.

What is the probability that when we roll 5 fair 6-sided dice, at most 4 of them will show a 1?

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Username1233qw4 Aug 5, 2016

1195

+48

What is the least positive value of x such that is a multiple of 47?

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TheNewuser Aug 5, 2016

592

-4x+8=-6x+10

Guest Aug 5, 2016

872

how do you get pi?

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Guest Aug 5, 2016

452

help

5 plus 5?

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Guest Aug 5, 2016

652

the measured quantities of a metal block

the measured quantities of a metal block are as follows:
length= 21.351 cm, width= 16.20 cm, height= 12.02 cm, mass= 8320 g
a- relate the length in centimeters to meters.
b- solve for the volume of the block. v=lwh read more ..

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Guest Aug 5, 2016

520

Square root

How do you find the square root of a number??

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Guest Aug 5, 2016

1081

Jack wants to know how many families in his small neighborhood of 60 homes would help organize a neighborhood fund-raising party. He put all the addresses in

Jack wants to know how many families in his small neighborhood of 60 homes would help organize a neighborhood fund-raising party. He put all the addresses in a bag and drew a random sample of 30 addresses. He then asked those families if they would help read more ..

Guest Aug 5, 2016

1731

Judith is digging for sandstone at a geological site. She has 160 meters of rope and 4 stakes to mark off a rectangular area. Which set of dimensions will

Judith is digging for sandstone at a geological site. She has 160 meters of rope and 4 stakes to mark off a rectangular area. Which set of dimensions will create a rectangle using all the rope Judith has with her?

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Guest Aug 5, 2016

All Questions ⁺⁰238125 Questions

Find n

unsure how to do this combination formula.

Could someone help me with these questions please?

Area of a circle

please help?

At age 25, James, rhinkin ahead, deposits $2500 into a retirement account with an average annual interest rate of 11%.

NASA is designing a robotic spacecraft to visit Neptune. The probe will use the radioactive isotope Plutonium-238(Pu-238) as a power source. One gram of

The exposure value,EV, of a photograph can be calculated from the time, t, in seconds that the shutter was open and the value of the f-stop,f, the

A sequence of real numbers (x_n) is defined recursively as follows x_0=a and x_1=b are positive real numbers, and x_(n+2)=(1+x_(n+1))/(x_n)

Ashley, Bon, Carol, and Doug are rescued from a desert island by a pirate who forces them to play a game. Each of the four, in alphabetical order by first

How do you write sigma ?

Simplify (1+3+5+...+199)/(2+4+6+...+200).

Find the infinite sum of 1/7+2/7^2+1/7^3+2/7^4+...

I have an unlimited supply of standard 6-sided dice. What's the fewest number of dice that I have to simultaneously roll to be at least 90% likely to roll at

Irrational number

I NEED $102.73c NOW!!!!!!!!!!!!!!!

Dice.

What is the least positive value of x such that is a multiple of 47?

-4x+8=-6x+10

how do you get pi?

help

the measured quantities of a metal block

Square root

Jack wants to know how many families in his small neighborhood of 60 homes would help organize a neighborhood fund-raising party. He put all the addresses in

Judith is digging for sandstone at a geological site. She has 160 meters of rope and 4 stakes to mark off a rectangular area. Which set of dimensions will

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