All Questions ⁺⁰238062 Questions

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help pls (2 questions)

1.) Compute the domain of the function $$f(x)=\frac{1}{\lfloor x^2-7x+13\rfloor}.$$

2.) Allie and Betty play a game where they take turns rolling a standard die. If a player rolls $n$, she is awarded $f(n)$ points, where \[f(n) read more ..

lolzforlife Apr 27, 2019

0

1095

18

Could someone please help?

nevermind i got it

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Guest Apr 27, 2019

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685

0

Probability

Diane is looking at her collection of e-Books. She has worked out that 60% of her e-Books were downloaded from Company A, 68% are works of fiction, and 36% are works of fiction that were downloaded from Company A. When Diane selects one of her e-Books at read more ..

Guest Apr 27, 2019

0

565

1

Please help

Given that the absolute value of the difference of the two roots ax^2 + 5x - 3 = 0 is and a is positive, what is the value of a?

Guest Apr 27, 2019

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669

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Trig Question

I just want to check my work because I have no idea if I am doing this right:
The equation I am given is sin(3x) = 0.34.
I am supposed to find all values of x in degrees that satisfy the equation above and round approximate answers to the read more ..

Guest Apr 27, 2019

Apr 26, 2019

0

1659

2

+29

geometry please help

A rectangle measures 6 meters by 10 meters. Drawn on each side of the rectangle is a semicircle that has the endpoints of its diameter on the vertices of the rectangle. What percent larger is the area of the large semicircles than the area read more ..

helloimnewperson Apr 26, 2019

+2

1109

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+159

Let be a function piecewise defined as If is negative, find so that .

Let be a function piecewise defined as If is negative, find so that .

Havingfun Apr 26, 2019

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828

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+13

Help Please (Thank You!)

A car has one driver's seat and four different passenger seats. A group of five students wants to use the car to go to school, but only two of those five students are legally allowed to drive the car. What is the number of ways that the five students can read more ..

FedoraTheExplorer Apr 26, 2019

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1338

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help

On a normal day, I can walk from my house to school in three quarters of an hour. The return trip takes me the same amount of time. My mom, driving our car, covers that distance in about a quarter of the time that it takes me. If I go to school five days read more ..

Guest Apr 26, 2019

0

695

1

help

let X, Y, and Z be points such that XZ/XY = ZY/XY = 1/2 . if Y= (1, 7) , Z= (-1, -7), then what is the sum of the coordinates of X?

Guest Apr 26, 2019

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829

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+29

circle help

some help please?

helloimnewperson Apr 26, 2019

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576

1

Please help!

Guest Apr 26, 2019

0

808

1

+29

please help!!

can somebody please help? thanks!

helloimnewperson Apr 26, 2019

-4

3989

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+1

Please help asap!

1) Find a polynomial $q(x)$ such that $(x+1)^3+x^2\cdot q(x)$ has degree less than $2$.
2) Find all integers $n$ for which $\frac{n^2+n+1}{n-1}$ is an integer.
3) Find the quotient and remainder when $x^2+2$ is divided by $x-2$.
4) read more ..

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ET3.1415 Apr 26, 2019

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827

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+315

Pre-calculus/trig

Pre-calculus/trig

Cupcake Apr 26, 2019

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1189

1

Help

For how many positive integral values of a is it true that x = 2 is the only positive integer solution of the system of inequalities

Guest Apr 26, 2019

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853

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+1995

Please explain how they got there values

Here is the explantin for this equation this sample created. I am still unsure where they corresponded 6.1 to 0.515 , how they got 0.15 from 01 an 0.2, as well as read more ..

jjennylove Apr 26, 2019

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686

1

Need help please.

I also need help with this question. Thank you.

Guest Apr 26, 2019

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449

0

Calculus help please.

Can someone please help me with this question. Thank you.

Guest Apr 26, 2019

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730

1

trig help

http://prntscr.com/nh8ee3

ElectricPavlov ●

Guest Apr 26, 2019

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746

3

Math help

http://prntscr.com/nh8dz8

ABC = A! + B! + C! read more ..

Guest Apr 26, 2019

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1031

4

jkjhyf

off-topic

Guest Apr 26, 2019

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