All Questions

908

+845

https://snag.gy/El1yav.jpg

https://snag.gy/El1yav.jpg
Please explain

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YEEEEEET Feb 10, 2018

4706

+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. read more ..

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YEEEEEET Feb 10, 2018

1309

+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 read more ..

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neurolover25 Feb 10, 2018

2275

+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

2590

+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

649

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% read more ..

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Guest Feb 10, 2018

-1

626

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

1300

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

1756

+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 read more ..

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KennedyPape Feb 10, 2018

2512

+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 read more ..

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jonathanxu999 Feb 10, 2018

2299

+110

The number 15 factorial ends in p zeros when converted to base 12. Find p

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Hans007 Feb 10, 2018

4947

+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

2151

+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 read more ..

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jonathanxu999 Feb 10, 2018

915

+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

1800

+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

1360

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 ●

Guest Feb 10, 2018

1018

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

2503

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 read more ..

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Guest Feb 9, 2018

2506

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

2731

+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 read more ..

hectictar ●

Hans007 Feb 9, 2018

2966

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

1270

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. read more ..

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Guest Feb 9, 2018

888

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, read more ..

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Guest Feb 9, 2018

2266

+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

All Questions ⁺⁰237665 Questions

https://snag.gy/El1yav.jpg

The equation of line L1 is y= 3x - 2

Expanding metal math question.....

Numerical bases?

3D Measurement question

US Savings Bond

need help asap

Given $\delta(x) = 3x + 8$ and $\phi(x) = 8x + 7$, what is $x$ if $\delta(\phi(x)) = 7$?

Check my Proofs

Two Equilateral Triangles

The number 15 factorial ends in p zeros when converted to base 12. Find p

If the lengths of the two equal sides of an iscoseles triangle

Long question

1 to 11

can anyone pls answer the first one!!!??

Let \begin{align} f(x) &= 2x + 5 \\ g(x) &= \sqrt{f(x)} - 2 \\ h(x) &= f(g(x)) \end{align} What is $h(2)$?

If $t(x) = |{-3+2x}|$, then what is $t(t(-4))$?

Andy

Find the area of an equilateral triangle inscribed in a circle with a circumference of 8 Pi cm.

A fence encloses

If the first three terms of an arithmetic progression are (x+3). (3x-10) and (2x+10), find x.

Boxes

Doughnuts

A+MEAN+MEAN+MAN+A=CHEAT

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