All Questions

862

Hard question

what is the square root of -1(exact value please)

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Guest Apr 21, 2017

497

What is Life?

I've just finished my math homework. I've now entered an existential crisis.

off-topic

Guest Apr 21, 2017

1075

help

which whole numbers between 2 and 40 can be divided by 4 with a remainder of 2 and also be divided by 5 with a remainder of 1

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Guest Apr 21, 2017

755

what is pi

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Guest Apr 21, 2017

849

length of adjacent side when theta=6deg23'55

A:length of opposite side when hypotenuse= 17.03metres & theta =6deg23'55" B:length of opposite side when hypotenuse= 13.23metres & theta =7deg37'C:length of opposite side when hypotenuse= 20.35metres & theta =5deg38'40"

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Guest Apr 21, 2017

734

math

(.200+x)(.200)/(.500)(.500)=6.25

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Guest Apr 21, 2017

798

I'm trying to figure out an equation for a problem.

Im trying to figure out an equation for a problem. I start with a base number of 1.02 but would like to raise it 2%, each time by the previous 2% up to 19 additional times from the start. So the third one would be (1.02x1.02)1.02. Would it just be read more ..

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Guest Apr 21, 2017

1393

Betty cuts 3/4m from a piece of rope 2 2/3m long. Is there enough rope left for two pieces 5/6m long each?

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Guest Apr 21, 2017

756

queston

sqareroot of 16 over 25

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Guest Apr 21, 2017

908

+29

again and again

In a contest, four fruits (an apple, a banana, an orange, and a pear) have been placed in four closed boxes (one fruit per box). People may guess which fruit is in which box. 123 people participate in the contest. When the boxes are opened, it turns out read more ..

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Sardonyx97 Apr 21, 2017

1063

+29

Riddles riddles everywere

: Tuesday, Sam, and Peter went to a restaurant to eat lunch. After eating lunch, they paid the bill. But Sam and Peter did not pay the bill, so who did?

off-topic

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Sardonyx97 Apr 21, 2017

945

+29

what is it made out of

If a blue house is made out of blue bricks, a yellow house is made out of yellow bricks and a pink house is made out of pink bricks, what is a green house made of?

off-topic

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Sardonyx97 Apr 21, 2017

1348

+29

1 riddle

A dad and his son were riding their bikes and crashed. Two ambulances came and took them to different hospitals. The man’s son was in the operating room and the doctor said, “I can’t operate on you. You’re my son.”
How is that possible?

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Sardonyx97 Apr 21, 2017

861

+29

#3 time

When the sun is directly overhead, the temperature on the moon's surface reaches 243 degrees Fahrenheit, but during the lunar night, the temperature drops as much as 504 degrees. What is the temperature of the moon's surface at night?

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Sardonyx97 Apr 21, 2017

704

math

what is nine divide by two

off-topic

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Guest Apr 21, 2017

919

+29

Why again

The porcupine has about 30,000 quills. Each quill has about 1,000 barbs. What's the total number of barbs on all the quills combined?

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Sardonyx97 Apr 21, 2017

843

+29

why ask

What fraction of a day is in one second?

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Sardonyx97 Apr 21, 2017

2645

+1836

Sphere in cube

A spherical holiday ornament with a radius r is to be packacked in a cubical box so that all sides touch the sphere. What is the ratio of the volume of the sphere to the volume of the cube? If the same ornament in the problem above is to be packed in a read more ..

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Mellie Apr 21, 2017

827

what is the answer

3/4 + 3 + 1/2 + 1 + 3/8 + 1 + 3/4

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Guest Apr 21, 2017

1229

+1836

Geometry 3D figure

A cone and a sphere have the same volume. If the radius of the base of the cone equals the radius of the sphere, what is the height of the cone?

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Mellie Apr 21, 2017

559

hi ,

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Guest Apr 21, 2017

1344

+1836

Volume

What is the volume of the largest ball that can be packed into a cubic cardboard box whose edges have length a. 1 foot? b. 2 feet? c. 3 feet?

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Mellie Apr 21, 2017

1140

+64

Chemistry Homework help!

This is part of a moles to moles worksheet I need help with.

Can someone help me with this problem, I don't know how to write down the "three moles of zinc and an excess of hydrochloric acid" part into a conversion equation.
read more ..

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iiVoidRavenZ Apr 21, 2017

758

Proportion problem?

Suri saved $150 of her paycheck the first week she worked and $50 of her paycheck each week after the first week. How many weeks did it take Suri to save a total of $1,000?

off-topic

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Guest Apr 21, 2017

All Questions ⁺⁰237720 Questions

Hard question

What is Life?

help

what is pi

length of adjacent side when theta=6deg23'55

math

I'm trying to figure out an equation for a problem.

Betty cuts 3/4m from a piece of rope 2 2/3m long. Is there enough rope left for two pieces 5/6m long each?

queston

again and again

Riddles riddles everywere

what is it made out of

1 riddle

#3 time

math

Why again

why ask

Sphere in cube

what is the answer

Geometry 3D figure

hi ,

Volume

Chemistry Homework help!

Proportion problem?

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