All Questions

-1

769

+318

Pre Calc

What are the zeros of f(x) and their multiplicity?

f(x)=(x-1)^4

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mharrigan920 Feb 26, 2020

1326

+1995

couple more physics questions

1. Clausius based his ideas for the second law of thermodynamics on whose work?
Joule
Carnot
Boyle read more ..

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jjennylove Feb 26, 2020

987

help

From past experience, it is known 90% of one-year-old children can distinguish their mother's voice from the voice of a similar sounding female. A random sample of 20 one-year-olds is given this voice recognition test. Find the probability at least 3 children read more ..

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Guest Feb 26, 2020

741

+309

Please help...

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oscar.a1551 Feb 26, 2020

808

help needed

Gillian purchased 25 books at the library book sale . Each handcover book cost $1.50, and each paperback book cost $0.50. Gillian spent a total of $26.50. how many paperback books did Gillian buy ?

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Guest Feb 26, 2020

810

+1995

phyics question

intermolecular forces (IF) and internal kinetic energy (KE)
If IF=KE , then in what state of matter is the substance?
plasma
gas read more ..

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jjennylove Feb 26, 2020

500

fractions

how do I do a fraction multiplied by a fraction

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Guest Feb 26, 2020

2119

1 math question

Ella selects a tile for her backsplash that is in the shape of a rhombus. Each side of the rhombus measures 4 inches. The diagonal opposite the smaller angle is 2.9 inches.
What is the measure of the larger angle in the rhombus?
approximately read more ..

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Guest Feb 26, 2020

-2

912

+134

𝓘𝓯 𝓨𝓸𝓾'𝓻𝓮 𝓝𝓮𝔀, 𝓒𝓸𝓶𝓮 𝓑𝓮 𝓐 𝓗𝓮𝓵𝓹𝓯𝓾𝓵 𝓤𝓼𝓮𝓻 𝓗𝓮𝓻𝓮 𝓐𝓽 𝓦𝓮𝓫2.0𝓬𝓪𝓵𝓬!!!

ιғ yoυr new go learn aвoυт weв2.0calc down вellow ιn ѕтιcĸy тopιcѕ or
clιcĸ нere [¤¤¤¤welcoмe тo weв2.0calc¤¤¤¤] тo geт тнe rυleѕ and alѕo тo learn нow тo вecoмe a нelper.

----- нope тo нave yoυ parт oғ тнe weвcalc read more ..

off-topic

killersteve27 Feb 26, 2020

504

statistics help

The number of customers at your company's store on a given day has a bell-shaped normal distribution with a mean of 60 and a standard deviation of 10. What percentage of days do you expect to have between 50 and 70 customers?

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Guest Feb 26, 2020

501

help please

Suppose you have 10 points in the plane with no three collinear.

(a) How many different line segments are formed by joining pairs of of these points?
(b) How many different triangles are formed by these line segments? read more ..

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Guest Feb 26, 2020

1155

+1982

Is this statement true or false?

Is this statement true or false?

Under the translation T(-1, 2) the point (-2, 3) will become (-3, 1).
read more ..

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macabresubwoofer Feb 26, 2020

3001

Rectangle ABCD contains a point such that AX = 1, BX = 7 and CX = 8 Find DX.

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Guest Feb 26, 2020

1233

The perimeter of the front face of a prism is 88 feet. The side lengths of the front face are 2x feet, (4x+8) feet, 2x feet, and (4x+8) feet

The perimeter of the front face of a prism is 88 feet. The side lengths of the front face are 2x feet, (4x+8) feet, 2x feet, and (4x+8) feet. What is the value of x?

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Guest Feb 26, 2020

1054

help

Gina visited the aquarium with some of her cousins, aunts, and uncles. The group bought 20 admission tickets for $340. Adult tickets cost $20, and children’s tickets cost $15. How many adult tickets and how many children tickets did the group buy? read more ..

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Guest Feb 26, 2020

436

Number Theory

How many perfect squares that are also its divisors are there in 20! ? Thanks for help.

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Guest Feb 26, 2020

1222

help

A bag is filled with green and blue marbles. There are 49 marbles in the bag If there are 17 more green marbles than blue marbles, find the number of green marbles and the number of blue marbles in the bag

ElectricPavlov ●

Guest Feb 26, 2020

1068

help!

What is the measurement of the longest line segment in a right rectangular prism that is 26 inches long, 2 inches wide, and 2 inches tall?

ElectricPavlov ●

Guest Feb 26, 2020

421

probability

A fair coin is flipped 20 times. Your friend proposes a bet where if it lands on heads exactly 10 times, you win $4, but if it lands on heads 11 or more times or 9 or less times, you lose $1. Should you take the bet? In other words, find the expected value read more ..

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Guest Feb 26, 2020

481

help

Raina drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 6 hours. When Raina drove home, there was no traffic and the trip only took 4 hours. If her average rate was 22 miles per hour faster on the trip home, read more ..

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Guest Feb 26, 2020

515

Help?

I have tried to do this but I keep getting stuck or getting answers that I know are not correct. Please help and show how to do this so I can understand the rest of the questions read more ..

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Guest Feb 26, 2020

585

help

Manuel traveled 31 hours nonstop to Mexico, a total of 2,300 miles. He took a train part of the way, which averaged 80 mph, and then took a bus the remaining distance, which averaged 60 mph. How long was Manuel on the train?

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Guest Feb 26, 2020

687

Number Theory

What is the smallest positive integer that has exactly 40 divisors? Thank you for help.

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Guest Feb 26, 2020

All Questions ⁺⁰237665 Questions

Pre Calc

couple more physics questions

help

Please help...

help needed

phyics question

fractions

1 math question

𝓘𝓯 𝓨𝓸𝓾'𝓻𝓮 𝓝𝓮𝔀, 𝓒𝓸𝓶𝓮 𝓑𝓮 𝓐 𝓗𝓮𝓵𝓹𝓯𝓾𝓵 𝓤𝓼𝓮𝓻 𝓗𝓮𝓻𝓮 𝓐𝓽 𝓦𝓮𝓫2.0𝓬𝓪𝓵𝓬!!!

statistics help

help please

Is this statement true or false?

Rectangle ABCD contains a point such that AX = 1, BX = 7 and CX = 8 Find DX.

The perimeter of the front face of a prism is 88 feet. The side lengths of the front face are 2x feet, (4x+8) feet, 2x feet, and (4x+8) feet

help

Number Theory

help

help!

probability

help

Help?

help

Number Theory

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