All Questions

489

complex

Find all complex numbers z that satisfy z^2 = i/2.

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Guest Jan 29, 2021

459

factorials

Find the value of n that satisfies 2*(n+1)!+6*n!=4*(n+1)!, where n! = n * (n-1) * (n-2)...2*1.

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Guest Jan 29, 2021

860

I Don't Know How To Solve This Problem. Pls Help!

GetThere Airlines currently charges 200 dollars per ticket and sells 40,000 tickets a week. For every 10 dollars they increase the ticket price, they sell 800 fewer tickets a week. How many dollars should they charge to maximize their read more ..

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Mapear Jan 29, 2021

605

antilog please

antilog(10^-2.25)

also how do I use anti log on the web2.0 calculator

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Guest Jan 29, 2021

496

DIFFCAL

The product of two numbers is 192. Find the numbers when the sum of the first and three times the
second is a maximum.

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Guest Jan 29, 2021

461

pls help with polynomials

find the values of A,B,C if (x-1),(x+2) and (x-2) are factor of 2Ax^4-Bx^3-Cx-16

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Guest Jan 29, 2021

482

angle problem

The two green lines are parallel. The two red segments are equal and the two purple segments are equal too. The blue angle is 90°.

How big is the black angle:

read more ..

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Guest Jan 29, 2021

499

algebra

Fill in the blank with a constant, so that the resulting expression can be factored as the product of two linear factors.
3mn - 6m + 7n + ___

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Guest Jan 29, 2021

611

+328

How many 5-digit numbers satisfy the following conditions:

How many 5-digit numbers satisfy the following conditions:
The number contains only digits 1, 2, 3, 4, 5.
The number starts with 1, 3, or 5.
Each pair of adjacent digits differs by exactly 1. read more ..

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Potatobird Jan 29, 2021

537

how to solve this

Find the value of
\[\left(\sqrt{7\sqrt{3\sqrt{7\sqrt{3\sqrt{\cdots}}}}} \right)^3
- \left(\sqrt{3\sqrt{7\sqrt{3\sqrt{7\sqrt{\cdots}}}}} \right)^3.\]

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Guest Jan 29, 2021

484

HELP!!!!!

I need to know how to solve this problem

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Guest Jan 29, 2021

573

+126

Analytic Geometry

How do I calculate the are for the interior region formed by and the y-axis

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geoNewbie21 Jan 29, 2021

454

help pls

$ABCD$ is a square of side length 1. Points $E, F, G, H $ are such that $ AE : EB = 1:1$, $ BF: FC = 1 : 2 $, $ CG : GD = 1 : 3 $, $ DH : HA = 1 : 4 $.
What is the area of the quadrilateral $ EFGH $?

read more ..

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Guest Jan 29, 2021

730

+1982

Justin Moore has scores of 72, 67, 82, and 79 on his algebra tests.

Justin Moore has scores of 72, 67, 82, and 79 on his algebra tests.

A. Use an inequality to find the scores he must make on the final exam to pass the course with an average of 77 or higher, given that the final exam counts as two read more ..

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macabresubwoofer Jan 29, 2021

578

+327

Equations and Linear Behavior. Please check my answer.

So this is one of my college homework problems and I'm confused at how the rate or change or slope isn't 2.3. I have watched the rescourse video and it supports my answer but I wanted to have my answer double checked before I emailed my teacher.
read more ..

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KennedyPape Jan 29, 2021

467

Word Problem

I need help with this word problem (You might have to scroll down it is the bottom problem) I need to know how you did it not just he answer
The question in made up of 12 indentical rectangles what fraction of the figure is shaded
read more ..

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Guest Jan 29, 2021

517

+614

permutations pls help

A city has to accommodate for 9.99 million households requiring a telephone number. They are about to issue 8-digit telephone numbers, with 5 as the first digit.
How many different telephone numbers can be created if repetition read more ..

MooMooooMooM ●●

xxJenny1213xx Jan 29, 2021

472

math question

Stuck on this problem: In the figure, $O$ is the center of the circle, $\angle BAO = 30^\circ$ and $\angle BCO = 40^\circ$. Find the shaded angle $ \angle AOC $.

read more ..

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Guest Jan 29, 2021

515

Word Problem

There is a total of 276 beads in Paket A and Paket B. There are 36 fewer beads in Packet B then 4/9 of the number of beads in Pack A How many beads are there in Packet A?

read more ..

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Guest Jan 29, 2021

497

help with coordinates

A segment with endpoints at A(2,-2) and B(-14,4) is extended through B to point C. If BC = 3*AB, what are the coordinates for point C? Express your answer as an ordered pair.

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Guest Jan 29, 2021

345

polynomial division

Let .

Without using long division, find the remainder when f(x) is divided by .x^2 - 1.

Guest Jan 29, 2021

1243

In the diagram below, and has the same area as If rectangle has area 42 what is the area of ? ]

textot ●●

Guest Jan 29, 2021

513

+87

Help Please

Suppose the center of a circle of radius 5 lies at the intersection of the lines x−y=1 and x+y=1. These lines also intersect the circle at a total of 4 points. Find the coordinates of the point of intersection in the first quadrant. Enter read more ..

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JoLink Jan 29, 2021

465

polynomial confusion

Suppose that f is a polynomial and h is a polynomial of degree 5 or less such that

(2x + 3) f(x)+h(x)= -6x^6+72x^4 -50x^3 + 13x^2 +38x -44
read more ..

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Guest Jan 29, 2021

Jan 28, 2021

371

help with points

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

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Guest Jan 28, 2021

All Questions ⁺⁰237643 Questions

complex

factorials

I Don't Know How To Solve This Problem. Pls Help!

antilog please

DIFFCAL

pls help with polynomials

angle problem

algebra

How many 5-digit numbers satisfy the following conditions:

how to solve this

HELP!!!!!

Analytic Geometry

help pls

Justin Moore has scores of 72, 67, 82, and 79 on his algebra tests.

Equations and Linear Behavior. Please check my answer.

Word Problem

permutations pls help

math question

Word Problem

help with coordinates

polynomial division

In the diagram below, and has the same area as If rectangle has area 42 what is the area of ? ]

Help Please

polynomial confusion

help with points

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