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1118

Let$$x={4\over{(\sqrt5+1)(\root 4\of5+1)(\root 8\of5+1)(\root {16}\of5+1)}}.$$Find $(x+1)^{48}$.

Let$$x={4\over{(\sqrt5+1)(\root 4\of5+1)(\root 8\of5+1)(\root {16}\of5+1)}}.$$Find $(x+1)^{48}$. I need it kinda quick :) Thanks!!!!!

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Guest Dec 27, 2020

677

This is hard

The equation \[\frac{x}{x+1} + \frac{x}{x+2} = kx\]has exactly two complex roots. Find all possible complex values for $k.$ Enter all the possible values, separated by commas.

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Guest Dec 27, 2020

542

plz help

Ruan began painting a room at 9:00 AM. Leonardo, who can paint twice as fast as Ruan, started helping Ryan at 9:20 AM, and they worked together until the room was fully painted at 9:40am. What fraction of the room had been painted by 9:30 AM? Express your read more ..

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Guest Dec 27, 2020

512

CPHILL HELP!!!!

Let the reciprocals of the roots of be and . Evaluate .

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Guest Dec 27, 2020

515

base numbers

A palindrome is a number that reads the same forward and backward. What is the smallest 5-digit palindrome in base 2 that can be expressed as a 2-digit palindrome in a different base? Give your response in base 2.

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Guest Dec 27, 2020

674

For a certain value of k, the system

For a certain value of k, the system

x + y + 3z &= 10
-4x + 3y + 5z &= 7 read more ..

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Nishinoya Dec 27, 2020

519

solid geo

Two congruent cylinders each have radius 8 inches and height 8 inches. The radius of one cylinder and the height of the other are both increased by the same number of inches. The resulting volumes are equal. How many inches is the increase? Express your read more ..

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Guest Dec 27, 2020

513

geometry question

In $\triangle ABC,$ $AB=6 $ , $BC = 4$ and $ AC=8.$ A segment parallel to $ \overline{BC}$ and tangent to the incircle of $\triangle ABC$ intersects $\overline{AB}$ at $M$ and $\overline{AC}$ at $N$. Find the length $MN$.
read more ..

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Guest Dec 27, 2020

Dec 26, 2020

657

+197

If anyone needs help with the question: (The harmonic mean of two positive integers is the reciprocal of the arithmetic mean of their recipr

If anyone needs help with this question then I have an answer for you!
we take the harmonic mean formula 2ac/(a+c), we know the harmonic mean is 20, so we write 2ac/(a+c)=20.
Next we take our bottom denominator and take it to the left side of the read more ..

icecreamlover ●●

icecreamlover Dec 26, 2020

1825

Probability of the game Set. (Search it up if you don't know what it is!)

(a) How many cards are in a complete deck of Set?
(b) How many unique sets are there?
When three cards form a set, we can also count the number of attributes for which all three cards are the same. For example, in the set below, read more ..

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Guest Dec 26, 2020

550

Multiple values of K

For which values of $k$ does the equation $\frac{x-1}{x-2} = \frac{x-k}{x-6}$ have no solution for $x$? Enter all the possible values of $k,$ separated by commas.

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Guest Dec 26, 2020

490

polynomial

The polynomial f(x) has degree 3. If f(-1)=15, f(0)=0, f(1)=-7, and f(2)=0, then what are x-intercepts of the graph f?

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Guest Dec 26, 2020

503

1 variable equation

Find all real values of $x$ such that $$\frac{2x^2-3x}{x^2-x} + 5x -11 = \frac{3x^2+5x+2}{x^2-1}.$$Enter all the solutions, separated by commas.

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Guest Dec 26, 2020

347

distribution

How many ways are there to divide 4 indistinguishable candies among 3 distinguishable friends
note that all candies must be distributed , and people can recieve 0 candies

Guest Dec 26, 2020

618

+1490

Easy Geometry

Circle O has a radius of 5 cm. The length of a chord AB is 8 cm. Circle Q is tangent to a chord and to the arc AB as well. (See diagram below) If line segment AM is 2 cm, what's the area of a circle Q?

read more ..

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Dragan Dec 26, 2020

439

coordinates

I have a map of Iowa on a Cartesian coordinate plane, where one unit represents approximately one minute of travel time. Des Moines is at the origin (0,0). Ames is at (0,30) . Iowa City is at (100,0) . Cedar Rapids is at (100,30) . How much read more ..

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Guest Dec 26, 2020

575

probability question

Jane and her brother each spin this spinner once. The spinner has five congruent sectors. If the non-negative difference of their numbers is less than 2, Jane wins. Otherwise, her brother wins. What is the probability that Jane wins? Express your answer read more ..

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Guest Dec 26, 2020

717

HELP ASAP

For what real values of is the square of a binomial?

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Guest Dec 26, 2020

576

Realll simple question

Im learning logs right now and Im a bit confused on one of the identies.

Can you please clarify this?
read more ..

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Guest Dec 26, 2020

801

Working 22 hours in the second week of June, Xenia was able to earn $\$$47.60 more than during the first week of June when she worked 15 hou

Working 22 hours in the second week of June, Xenia was able to earn $\$$47.60 more than during the first week of June when she worked 15 hours. If her hourly wage was constant, how many dollars did she earn during the first two weeks of June? Express your read more ..

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Guest Dec 26, 2020

521

probability

John needs to catch a train. The train arrives randomly some time between 2:00 and 3:00, waits for 15 minutes, and then leaves. If John also arrives randomly between 2:00 and 3:00, what is the probability that the train will be there when John arrives? read more ..

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Guest Dec 26, 2020

407

help with algebra

BoatsRUs built 7 canoes in January of this year and then each subsequent calendar month they built twice the number of canoes they had built the previous month. How many total canoes were built by BoatsRUs by the end of September of this year? read more ..

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Guest Dec 26, 2020

509

sequence

The first term of a given sequence is 1, and each successive term is the sum of all the previous terms of the sequence. What is the value of the first term which exceeds 50000?

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Guest Dec 26, 2020

705

help me

1/5-2/7+3/5

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Guest Dec 26, 2020

816

can i use this calculator

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Guest Dec 26, 2020

All Questions ⁺⁰237698 Questions

Let$$x={4\over{(\sqrt5+1)(\root 4\of5+1)(\root 8\of5+1)(\root {16}\of5+1)}}.$$Find $(x+1)^{48}$.

This is hard

plz help

CPHILL HELP!!!!

base numbers

For a certain value of k, the system

solid geo

geometry question

If anyone needs help with the question: (The harmonic mean of two positive integers is the reciprocal of the arithmetic mean of their recipr

Probability of the game Set. (Search it up if you don't know what it is!)

Multiple values of K

polynomial

1 variable equation

distribution

Easy Geometry

coordinates

probability question

HELP ASAP

Realll simple question

Working 22 hours in the second week of June, Xenia was able to earn $\$$47.60 more than during the first week of June when she worked 15 hou

probability

help with algebra

sequence

help me

can i use this calculator

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