Paul

[匿名]

回覆: 17

2017-03-26 1:26 am

what is the answer is 9÷3(6×4÷8)?

[匿名]

回覆: 25

2017-03-16 6:54 am

X/8 - 12 = 18?

[匿名]

回覆: 11

2016-11-22 10:55 am

How long does it take for a full moon to appear?

[匿名]

回覆: 4

2016-11-20 2:05 pm

A man, whose eyes are 2m above the ground , measure the angle to the top of the Eiffel tower from two positions that are 200m apart?

[匿名]

回覆: 3

2016-11-20 9:34 am

still need working of this equation to the root,it is urgent, this is simultaneous equation 3x+2y=14....(1) and 2xy+5=21?

[匿名]

回覆: 13

2016-08-09 12:38 pm

what is planet X?

[匿名]

回覆: 2

2016-08-05 10:49 am

Can we know the shape of a celestial body by analyzing the different photlns that arrice to us from it?

[匿名]

回覆: 5

2016-08-04 10:23 am

Do photons leave a permanent trail? Do we analyze this to know from where they come?

[匿名]

回覆: 77

2016-07-15 10:31 am

solve this math 60+60×0+1?

[匿名]

回覆: 8

2016-07-13 9:23 pm

In the set of real numbers, the first number greater than -4 is -3. True False?

[匿名]

回覆: 1

2016-07-13 9:23 pm

Which of the following is a solution of 2x + 7 < 6?

[匿名]

回覆: 8

2016-07-13 7:32 pm

What is the slope of y=311.111x+1533.333? It is the equation of a scatterplot?

[匿名]

回覆: 3

2016-07-04 7:08 pm

x + y + z = 1 x - y + 5z = 13 5x + y + z = -19?

[匿名]

回覆: 13

2016-07-04 5:53 pm

How do I factor this polynomial? 81x^2 - 36?

[匿名]

回覆: 2

2016-05-22 9:15 am

How can you understand the moon phases?

[匿名]

回覆: 7

2016-05-14 2:46 pm

Mercury retrograde causing me problems?

[匿名]

回覆: 5

2016-05-06 9:39 am

What are the natural treatment of insomnia?

[匿名]

回覆: 5

2016-04-18 5:57 pm

can someone help me undo this square root: c^2 = 169?

[匿名]

回覆: 10

2016-04-11 2:35 pm

Does the earth rotate with same speed in Australia as in The Netherlands?

[匿名]

回覆: 98

2016-03-20 4:46 pm

what is 30 divided by half?

[匿名]

回覆: 10

2016-03-02 4:53 pm

why ice floes in water?

[匿名]

回覆: 3

2016-02-28 4:42 pm

What do the numbers in a star's classification represent?

[匿名]

回覆: 2

2016-01-25 12:12 am

How much gravity is needed to sustain fusion?

[匿名]

回覆: 4

2016-01-24 11:10 pm

what happens if a spaceship launches and just travels down?

[匿名]

回覆: 11

2016-01-23 8:12 pm

Hubble Telescope images taken are billion years old?

[匿名]

回覆: 20

2016-01-21 5:27 pm

Why can't hubble see planet 9 if it can see distant galaxies?

[匿名]

回覆: 3

2016-01-21 3:30 am

ASTRONOMY? Scorpius is currently a summer constellation. In 26,000 years,what constellation will it be?

[匿名]

回覆: 94

2016-01-03 8:31 pm

How many seconds are in eternity?

[匿名]

回覆: 453

2015-12-30 6:51 pm

Would you choose water over wine?

[匿名]

回覆: 1543

2015-12-09 10:50 am

What's a good nickname for Donald Trump....?

[匿名]

回覆: 6

2015-12-17 11:52 am

What is the really importance of Algebra, Trigonometry and Calculus in real life?

[匿名]

回覆: 129

2015-12-08 9:43 pm

The ratio of boys to girls in kindergarten is 2:3. if the number of boys is 12, find the number of girls.?

[匿名]

回覆: 187

2015-12-10 12:46 pm

is 120 prime number?

[匿名]

回覆: 142

2015-09-27 5:49 pm

Does tonights blood moon mean the second coming of christ or something that will end the world?

Wong

回覆: 7

2015-09-14 4:32 pm

One half of 4 times y plus the quantity of y and 3?

[匿名]

回覆: 5

2015-09-14 3:05 pm

Which photons are the highest energy?

[匿名]

回覆: 7

2015-09-11 1:27 am

Are all parts of the universe expanding at the same speed?

[匿名]

回覆: 4

2015-09-08 9:55 pm

If the moon landing was a hoax, what happened to Apollo 11 after it launched?

[匿名]

回覆: 6

2015-07-08 8:47 pm

If we live on Mars someday,how will people on earth control people on Mars as far as laws?

[匿名]

回覆: 10

2015-04-17 9:51 pm

Is it legal for a pharmecist to be on medications themselves?

[匿名]

回覆: 29

2015-04-14 5:28 am

Can we change the universe with our minds?

[匿名]

回覆: 24

2014-12-28 6:53 pm

Scientist claim that Moon is too huge to be a satellite of Earth and it is hollow. So was moon placed there by some advanced civilisation?

[匿名]

回覆: 12

2014-12-21 8:12 pm

Is the sky blue?

[匿名]

回覆: 12

2014-12-08 5:48 pm

How do Christians protect the environment?

[匿名]

回覆: 2

2014-12-08 3:02 pm

what is science?

[匿名]

回覆: 13

2014-09-19 5:44 pm

Since this referendum has failed, when can Scotland vote for independence again?

[匿名]

回覆: 1

2014-05-04 7:10 pm

I've done something so horrible if there's a hell I'm going?

[匿名]

回覆: 2

2014-03-11 5:48 pm

How do I delete a question that has already expired?

[匿名]

回覆: 11

2014-02-10 10:46 pm

Will Mars ever be visible to the naked eye?

Who

回覆: 19

2013-12-28 5:39 pm

Why do so many people on YA believe dark energy/matter to be establed scientific fact?