All Questions

752

PLZZ HELP!! i have been stuck on this!

is a regular tetraedron (right pyramid whose faces are all equilateral triangles). If is the Midpoint of , then what is ?
Thank you so much for any and all help !

●

Guest Mar 21, 2020

596

please help

Wen has (9x²+24xy+16y²) marbles,where x and y are positive integers.Ha arranges the marbles as a square array. a)Express,in terms of x and y,the number of marbles on each side of the array. b)When x=2 and y=5,find the number of marbles on a side of the read more ..

●

Guest Mar 21, 2020

478

Urgent!!! Please Help!!!!!

A, O and B lie on a straight line segment where a = 24°, b = 40° and c = 31°. State the value of the angles: i) ∠AOB ii) ∠ZOB iii) ∠XOY iv) ∠AOY v) ∠YOZ The diagram is not drawn to scale.

Can someone please help as read more ..

Guest Mar 21, 2020

560

Heelp!

Suppose $f$ is a polynomial such that $f(0) = 47$, $f(1) = 32$, $f(2) = -13$, and $f(3)=16$. What is the sum of the coefficients of $f$?

●

Guest Mar 21, 2020

2789

please help

In the diagram below, PQ is tangent at P to the circle with center O, point S is inside the circle, and QS intersects the circle at R. If , QR = RS = 3, OS = 2 and PQ = 6, then find the radius of the circle.
read more ..

●●●

Guest Mar 21, 2020

581

help

The first term of an arithmetic progression is 8. If the tenth term is double the second term, the common difference is...

●

Guest Mar 21, 2020

562

help

the masses of John,Gregory and Ethan are 38 1 out of 5,41 1 out of 3 and 52 1 out of 4.find the total mass of the three children.give your answer as a mixed number in it's simplest form.

●

Guest Mar 21, 2020

406

PLS HELP ASAP!!!

Let be the th Fibonacci number, where as usual and Then for some positive integers and Enter the ordered pair

Guest Mar 21, 2020

626

+24

null

booksly002 Mar 21, 2020

641

+24

null

●●

booksly002 Mar 21, 2020

702

+24

null

●●

booksly002 Mar 21, 2020

1441

help (thanks in advance)

Let f(x)=tan^-1x. Then the domain of f(x) is all real numbers and the range is [-π/2, π/2].
True or False?

●●●

Guest Mar 21, 2020

914

help

Let f(x)=sin^-1x . Then the domain of f(x) is [-1,1] and the range is all real numbers.
True or False?

●●

Guest Mar 21, 2020

847

help please

The graph of a cosine function shows a reflection over the x-axis, an amplitude of 3, a period of 2, a phase shift of 0.25 to the right, and a vertical shift of 5 units up.
Which is the equation of the midline? read more ..

●

Guest Mar 21, 2020

468

please help asap! thanks

Suppose that and are nonzero real numbers, and that the equation has solutions and . Find the ordered pair

●

Guest Mar 21, 2020

677

+980

Help please

What is the coefficient of x^3 when 24x^4 + 6x^3 + 4x^2-7x - 5 is multiplied by 6x^3 + 3x^2 + 3x + 4 and the like terms are combined?

●

qwertyzz Mar 21, 2020

539

help please

A group of 100 people touring europe includes 44 people who speak greek, 59 who speak portuguese& 13 who speak neither language. How many people speak both greek and portuguese.

●

Guest Mar 21, 2020

-1

805

+226

help

Find the sum

●●●●●●●●●

littlemixfan Mar 21, 2020

712

+537

Geometric Probability

Larry chooses a unit square at random inside a 4x4 square, whose sides are parallel to the 4x4 square. Laura also chooses a unit square at random, whose sides parallel to the 4x4 square. Find the probability that Larry's and Laura's square intersect.
read more ..

●

MathCuber Mar 21, 2020

-2

866

+54

I'm still stuck on this. Someone pls help

An organization has 50 people, and 4 of the people are running for president. Each of the 50 people votes for one of the 4 candidates. How many different vote totals are possible?

●●●●●●●●●●●●

MagnusMathematician Mar 21, 2020

499

Domains and Functions

Let , and for integers , let

Let be the largest value of for which the domain of is nonempty. For this value of , the domain of consists of a single point read more ..

●

Guest Mar 21, 2020

1358

+2973

Offtopic: Good Morning

Sup everyone I just wanna wish a good morning to all the wonderful people here!! (or evening). it has been about 3-5 years since i last made a post so yeah i figured why not make one just now. i hope everyone is safe rn at home for quarantine time and that read more ..

●●●●●●●●●●●●●●

TitaniumRome Mar 21, 2020

-1

2398

+54

I'm stuck on this question

I have 8 identical pieces of cherry candy and 7 identical pieces of melon candy. Find the number of ways I can distribute this candy to 4 children.

●●●●●●●●●

MagnusMathematician Mar 21, 2020

706

help

What is the equation of the line that passes through the point (-2,7) and has a slope of -2

●●●●

Guest Mar 21, 2020

All Questions ⁺⁰237665 Questions

PLZZ HELP!! i have been stuck on this!

please help

Urgent!!! Please Help!!!!!

Heelp!

please help

help

help

PLS HELP ASAP!!!

null

null

null

help (thanks in advance)

help

help please

please help asap! thanks

Help please

help please

help

Geometric Probability

I'm still stuck on this. Someone pls help

Domains and Functions

Offtopic: Good Morning

I'm stuck on this question

help

1 Online Users

Top Users

Sticky Topics