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Post New Question
All Questions
+0
231320 Questions
0
733
3
how
how does a sun make us warm but still be so far away
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Guest
Jul 19, 2017
+1
720
0
+476
Welcome
http://web2.0calc/questions/welcome
AsadRehman
Jul 19, 2017
0
732
1
NapLan practise exam
how many elves does it take to change a light bulb?
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Guest
Jul 19, 2017
0
1815
1
what is 9.1e18 in number form i am having trouble with it
what is 9.1e18 in number form i am having trouble with it
thanks!
hectictar
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Guest
Jul 19, 2017
0
689
1
What does this equation add up to and how would I calculate it using a calculator
7.7 × 10^16
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Guest
Jul 19, 2017
0
981
3
factoring expressions?
1) 6x^2 + 2xy - 15x - 5y
2) 2x^2 + 7x + 5
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Guest
Jul 19, 2017
Jul 18, 2017
0
745
1
Factor this expression?
2ax - ay + 4bx - 2by
but, there are no similar terms?
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Guest
Jul 18, 2017
0
705
1
Find Point
Find the point with y-coordinate -28 on the line through (-62, 4213) with slope -69!
Thanks
read more ..
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Guest
Jul 18, 2017
+1
1
8969
6
+619
Pythagorean Theorem help
A rectangular sheet of paper measures 12 inches by 9 inches. One corner is folded onto the diagonally opposite corner and the paper is creased. What is the length in inches of the crease? Express your answer as a mixed number.
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michaelcai
Jul 18, 2017
0
848
1
x + ( - .50 ) = 4
x + ( - .50 ) = 4
What is X???
please turn it into a fractoin.
read more ..
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Guest
Jul 18, 2017
0
569
1
simplify
-28=4y+7y+14
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Guest
Jul 18, 2017
0
882
1
A few more
1.if a triangle is isosceles, then do its base angles HAVE to be congruent?
2.If a triangle has two congruent sides, does it have to be isosceles?
3.If two angls of a tringle are congruent, does the triangle have to be isosceles'?
4.Does
read more ..
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Guest
Jul 18, 2017
0
704
1
Quick question
does a triangle with sides 6, 8, 10 have to be a right triangle(or can it be obtuse or acute)?
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Guest
Jul 18, 2017
0
1972
2
I need some help!
What is the greatest integer value of b such that -4 is not in the range of
?
Thank you!!
CPhill
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Guest
Jul 18, 2017
0
718
2
Help
Can someone give me a hint to how I should approach this. I think the best way is guess and check and see the difference but there must be a better way. Problem: consider the function f(x)= sqrt(x+1/x-1) and g(x)=sqrt(x+1)/sqrt(x-1).
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Guest
Jul 18, 2017
0
519
1
solve
1n2=t*1n1.0025
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Guest
Jul 18, 2017
0
4398
1
This is the first part of a three-part problem.
This is the first part of a three-part problem. Express in the form where a and b are integers and b is as small as possible. Hint(s): Factor sqrt(8) as the product of two square roots, one of which is the square root of a perfect square.
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Guest
Jul 18, 2017
0
1825
1
math
At 9:00 on Saturday morning, two bicyclists heading in opposite directions pass each other on a bicycle path. The bicyclist heading north is riding 4 km/hour faster than the bicyclist heading south. At 10:15, they are 40 km apart. Find the two bicyclists’
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Guest
Jul 18, 2017
0
594
1
modular arithmetic question
The question goes as so, 11x Mod 7 = 2 Find the value of x.
The aswer to the question is X=2.
read more ..
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Guest
Jul 18, 2017
0
855
2
Three sides of triangle ABC has measure 3, 4, 6 .O is point such that angle OBC=OAB then find angle OAB
Three sides of triangle ABC has measure 3, 4, 6 .O is point such that angle OBC=OAB then find angle OAB
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Guest
Jul 18, 2017
0
1
1268
4
Need help with matrixes. Find A^3 and A^4 in linear form.
If A2 = 2A + 3I, find A3 and A4 in linear form kA + sI
I = "eye" as in identity matrix.
read more ..
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Guest
Jul 18, 2017
0
851
3
Angle of Elevation
How to find angle of elevation with given force
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Guest
Jul 18, 2017
0
964
0
Very hard Math Question
Hello,
Here are some "very hard maths questions" for you to solve (please do not use a calculator):
1: (143(5) + 67)5 =
read more ..
Guest
Jul 18, 2017
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