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Post New Question
All Questions
+0
230606 Questions
0
821
2
+845
https://snag.gy/El1yav.jpg
https://snag.gy/El1yav.jpg
Please explain
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YEEEEEET
Feb 10, 2018
0
4675
1
+845
The equation of line L1 is y= 3x - 2
The equation of line L1 is y= 3x - 2
The equation of line L 2 is 3y - 9x + 5 = 0
Show that the two lines are parallel
Please explain each step as i always struggle with these kind of questions.
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YEEEEEET
Feb 10, 2018
0
1232
1
+77
Expanding metal math question.....
A strip of metal 2.5 km long is clamped to the ground during the winter with one clamp at each ens. It expands 1m during the hot summer, bulging up in the middle as a result. What is the highest distance, in m, that the metal strip could be above ground
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neurolover25
Feb 10, 2018
0
2207
4
+77
Numerical bases?
Find the base of the numeration system in which 135/21 has a zero remainder.
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neurolover25
Feb 10, 2018
0
2548
2
+77
3D Measurement question
A pyramid built using three spheres for the base, all touching one another, and having a fourth sphere placed on top, touching all three of the other spheres. Of the radius of each sphere is 5cm, find the height of the pyramid. Please help!
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neurolover25
Feb 10, 2018
-1
567
1
US Savings Bond
Hello folks! I need some help.
I have a $100,000 US treasury savings bond which matures in 2025(consider it 7 years exactly). It pays interest semi-annually as follows:
Year 1 @ 1.50%(half of it every 6 months)
Year 2 @ 1.75%
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Guest
Feb 10, 2018
-1
536
1
need help asap
Let , and . What is the domain of ? Your answer will be of the form . Find .
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Guest
Feb 10, 2018
-1
1214
1
Given $\delta(x) = 3x + 8$ and $\phi(x) = 8x + 7$, what is $x$ if $\delta(\phi(x)) = 7$?
Given and , what is if ?
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Guest
Feb 10, 2018
0
1718
3
+327
Check my Proofs
Original Question:
1. Rectangle 1 has length x and width y. Rectangle 2 is made by multiplying each dimension of Rectangle 1 by a factor of k, where k > 0.
(a) Are Rectangle 1 and Rectangle
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KennedyPape
Feb 10, 2018
0
2483
1
+113
Two Equilateral Triangles
Given two equilateral triangles whose sides are of length a and b respectively, draw a diagram to show how to construct a third equilateral triangle whose area is the sum of the areas of the other two triangles. (By "construct" we mean straightedge
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jonathanxu999
Feb 10, 2018
0
2263
2
+110
The number 15 factorial ends in p zeros when converted to base 12. Find p
The number 15 factorial ends in p zeros when converted to base 12. Find p
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Hans007
Feb 10, 2018
0
1
4900
2
+110
If the lengths of the two equal sides of an iscoseles triangle
If the lengths of the two equal sides of an isosceles triangle are each x cm find the length of the third side so that the triangle has the maximum area.
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Hans007
Feb 10, 2018
+1
2121
3
+113
Long question
Two hundred fence posts are to be placed into the ground in a straight line, 2m apart. The fence posts are stacked in a pile along this same line, 2m from the position of the first post to be put in. Maybell is going to put in the posts one at a time in
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jonathanxu999
Feb 10, 2018
+1
825
2
+113
1 to 11
The numbers from 1 to 11 are drawn at random. Find the probability that the even numbers will all be drawn before the odd numbers.
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jonathanxu999
Feb 10, 2018
+2
1733
8
+11912
can anyone pls answer the first one!!!??
can anyone pls answer the first one!!!??
https://web2.0calc.com/questions/permutations-and-combinations-lt-3
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rosala
Feb 10, 2018
0
1277
1
Let \begin{align*} f(x) &= 2x + 5 \\ g(x) &= \sqrt{f(x)} - 2 \\ h(x) &= f(g(x)) \end{align*} What is $h(2)$?
Let
What is
?
hectictar
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Guest
Feb 10, 2018
0
923
1
If $t(x) = |{-3+2x}|$, then what is $t(t(-4))$?
If then what is
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Guest
Feb 10, 2018
Feb 9, 2018
+1
1
2453
6
Andy
Andy was rowing a boat upstream. As he passed under a low bridge, his hat was knocked off, but Andy only noticed his hat missing five minutes later. He turned his boat around immediately and rowed with the same effort downstream, fishing his hat out of
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Guest
Feb 9, 2018
0
2453
1
Find the area of an equilateral triangle inscribed in a circle with a circumference of 8 Pi cm.
Find the area of an equilateral triangle inscribed in a circle with a circumference of 8 Pi cm.
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Guest
Feb 9, 2018
0
2687
1
+110
A fence encloses
A fence encloses a square field whose sides measure 10m. A horse is tethered on a rope that is attached to a corner post of the field so that the horse is outside the fence.If the rope holding the horse is 18m long, find the total grazing area of the horse
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hectictar
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Hans007
Feb 9, 2018
0
1
2910
2
If the first three terms of an arithmetic progression are (x+3). (3x-10) and (2x+10), find x.
If the first three terms of an arithmetic progression are (x+3). (3x-10) and (2x+10), find x.
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Guest
Feb 9, 2018
0
1178
1
Boxes
Jai alai balls come in boxes of 8 and 15, so that 38 balls (one small box and two large boxes) can be purchased without having to break open a box, but 37 balls cannot. Find the maximum number of balls that cannot be bought without breaking boxes.
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Guest
Feb 9, 2018
0
808
1
Doughnuts
According to The Book of World Records, the largest doughnut ever made was a lemon-filled one baked in Florida on December 10, 1988. It weighed 2099 lbs and had a diameter of 22 ft. If a sector whose curved edge measures in were cut from this doughnut,
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Guest
Feb 9, 2018
0
2225
1
+110
A+MEAN+MEAN+MAN+A=CHEAT
A+MEAN+MEAN+MAN+A=CHEAT
Each distinct letter in this addition alphametic stands for a different digit. Find the value of CHEAT.
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Hans007
Feb 9, 2018
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