All Questions

752

+2448

Please help asap! Need explanation~

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RainbowPanda Apr 14, 2018

707

Need help

1.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? You may use a calculator to help you with the computations if you like -- in fact read more ..

off-topic

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Guest Apr 14, 2018

633

+2448

Please help asap, ty!!

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RainbowPanda Apr 14, 2018

724

+612

Help asap, thank you!

Every evening, Mr. Ben walks around a square city block once. Beginning at a corner, he would walk the first three sides at 6 feet per second and the final side at 5 feet per second. What is his average speed in feet per second? Express your answer as an read more ..

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gueesstt Apr 14, 2018

890

+612

Help please

The lines $-2x + y = k$ and $0.5x + y = 14$ intersect when $x = -8.4$. What is the value of $k$?

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gueesstt Apr 14, 2018

2510

+612

Please Help?

The force needed to loosen a bolt varies inversely with the length of the handle of the wrench used. A wrench with a handle length of 9 inches requires 375 pounds of force to loosen a certain bolt. A wrench of 15 inches will require how many pounds of force read more ..

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gueesstt Apr 14, 2018

742

+273

I need help..

i am confused...

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LaughingFace Apr 14, 2018

797

+273

Help please, all three, or any you can do.

These questions are kicking my butt.
Help please.
read more ..

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LaughingFace Apr 14, 2018

871

Need help quickly:(-Geometric Sequence

A cell phone company is selling their new phone. In the first week of them being on the market, 310 phones were sold. The company plans to increase sales by 17% each week. For example, they plan to sell 363 phones during week 2. The company will continue read more ..

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Guest Apr 14, 2018

569

Completing a job....

Two men, Bob and Carl, working together can finish a particular job in 12 days. Bob, however,working alone can finish the entire job 1.5 times faster than Carl can working alone. What is the working rate of the two men, or how many days would it take the read more ..

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Guest Apr 14, 2018

1054

In a hurry :( -Functions

1.
f(x)=x3-x
g(x)=x3+2x2-10
So (f+g)(x) = ?
2. <#> f(x)=x2+2x-6 <#> g(x)=x4+3 <#> So (f*g)(x) = ? <#> 3. <#> f(x)=x4-x2+9 <#> g(x)=x3+3x2+12 <#> So (f-g)(x) = ?

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Guest Apr 14, 2018

1703

+236

Another one

a) Describe all positive integers that have exactly 3 positive divisors.
b) How many positive divisors of 8400 have at least 4 positive divisors?

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Rollingblade Apr 14, 2018

3628

+236

help asap

A function $f$ has a horizontal asymptote of $y = -4,$ a vertical asymptote of $x = 3,$ and an $x$-intercept at $(1,0).$ Part (a): Let $f$ be of the form $$f(x) = \frac{ax+b}{x+c}.$$Find an expression for $f(x).$ Part (b): Let $f$ be of the form $$f(x) read more ..

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Rollingblade Apr 14, 2018

1222

+561

Euler's Method Error

I am looking at the effect of the step size (h) on the size of the error for Euler's method. I am using the following ODE:
With the following conditions:
y(0) = 0, solving for x = pi
I get the errors shown below for each read more ..

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Will85237 Apr 14, 2018

784

+612

Word problem with one variable... help

Subtracting three from two times a number is three more than four times that number. What is the number?

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gueesstt Apr 14, 2018

1276

+612

Algebra... Help~

Find all $p$ which satisfy both the inequalities $0\ge 54p-144$ and $0>12-20p$. Express your answer in interval notation, reducing any fractions in your answer.

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gueesstt Apr 14, 2018

2576

+236

HELP ASAP

Suppose $a$ and $b$ are positive integers such that $\gcd(a,b)$ is divisible by exactly $7$ distinct primes and $\mathop{\text{lcm}}[a,b]$ is divisible by exactly $28$ distinct primes. If $a$ has fewer distinct prime factors than $b$, then $a$ has read more ..

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Rollingblade Apr 14, 2018

Apr 13, 2018

961

+121

need help rn

What is the trigonometric ratio for sin Z ?
( As a simplified fraction)

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AgentFatboy Apr 13, 2018

1227

+1904

Calculus help

I do not know how to type the correct format for this problem so I will put into words and you can write it in symbols.

The limit of (x^3+5x)/(2x^3-x^2+4) as x approaches infinity is what? If anyone knows how to solve this problem read more ..

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gibsonj338 Apr 13, 2018

1089

+2448

Please help >.<

I think the second one is 18/350 (Guessing I need to simplify that, so 9/175??)

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RainbowPanda Apr 13, 2018

2874

+753

Is anyone going to help?

The Cubs are playing the Red Sox in the World Series. To win the world series, a team must win 4 games before the other team does. If the Cubs win each game with probability 3/5 and there are no ties, what is the probability that the Cubs will win the World read more ..

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MIRB16 Apr 13, 2018

978

+86

Trig problem

If f(x) = 5x for al real values of x and f -1(k) = -3, then k = ?
I can't figure out the answer for this.

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SurpriseMe Apr 13, 2018

1298

fractions

here is a table value for y=f(x) x -2 -1 0 1 2 3 4 5 6 f(x) 5 6 7 8 9 10 11 12 13
mark the statements that are true.

A.The range for f(x) is all real numbers. read more ..

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Guest Apr 13, 2018

1024

Log(i)

Evaluate ln(i) with steps please. Thank you for help.

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Guest Apr 13, 2018

1048

fractions

what is f(a + 2)?

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Guest Apr 13, 2018

All Questions ⁺⁰232857 Questions

Please help asap! Need explanation~

Need help

Please help asap, ty!!

Help asap, thank you!

Help please

Please Help?

I need help..

Help please, all three, or any you can do.

Need help quickly:(-Geometric Sequence

Completing a job....

In a hurry :( -Functions

Another one

help asap

Euler's Method Error

Word problem with one variable... help

Algebra... Help~

HELP ASAP

need help rn

Calculus help

Please help >.<

Is anyone going to help?

Trig problem

fractions

Log(i)

fractions

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