All Questions

667

need help

Find angle PRQ,

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Guest Jan 12, 2020

641

need help

If a cuboid of dimensions 10 cm×15 cm×5 cm is cut to form cubes of sides 5 cm, then what is the difference between the sum of the surface areas of these cubes and the surface area of the original cuboid?
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Guest Jan 12, 2020

531

need help

When 88 cubes are rearranged to form the cube-sphere in the diagram, their total surface area decreases by 384.
Find the total surface area of the cube-sphere.

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Guest Jan 12, 2020

764

+537

Help Urgent!

1. The lines y = 1, y = 3, and y = x are drawn along with the point P = (3,0). For certain slopes m, the line P through with slope m will intersect the three given lines so that one of the three points of intersection is the midpoint of the other two points. read more ..

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MathCuber Jan 12, 2020

611

expansion help

If (a+b+c+d+e+f+g+h+i)^2 is expanded and simplified, how many different terms are in the final expression?

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Guest Jan 12, 2020

664

probability help

A card is drawn from a deck of 52 cards. What is the probability that this card is an Ace or a Queen or a Spade or a Diamond?

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Guest Jan 12, 2020

785

geometry

What is the ratio of the Blue area to the Yellow area to the Red area? (A quarter-circle is constructed. A semi-circle is constructed on the radius of the quarter circle. Finally, a circle of maximum radius is inscribed in the semi-circle)
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Guest Jan 12, 2020

436

need help quick

Let N={1,2,3,4,…,50} What is the greatest subset of N such that does not contain two number whose sum is divisible by 7?

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Guest Jan 12, 2020

650

Need help

Given an obtuse triangle ABC with

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Guest Jan 12, 2020

542

need help on question

Two students went to buy Munchie candy bars. Each student had some money, but one student found that he needed 7 cents more to buy one bar, and the other found she needed two cents more. They pooled their money, but still did not have enough. read more ..

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Guest Jan 12, 2020

567

If x 2 and y 2 are directly proportional, and x = 2 when y = 3, then what is y when x =3?

If x2 and y2 are directly proportional, and x = 2 when y = 3, then what is y when x =3?

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Guest Jan 12, 2020

711

Font Awesome not working, icons showing as squares

So I want to prototype a marketing website:https://fontvilla.com/instagram-fonts/. I use the new Font Awesome file and Bootstrap. The challenge is that all that is rendered on the page is a wide square when I try to use a symbol.
Here's how I include read more ..

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Mehwish Jan 12, 2020

499

help

Find the number of 10-digit numbers where the sum of the digits is divisible by 5

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Guest Jan 12, 2020

521

help

(a) Count the number of quadruples of nonnegative integers such that
(b) For this part, we want to count the number of quadruples of nonnegative integers such that
Here, some of a,b,c and d can be equal to each other, so the read more ..

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Guest Jan 12, 2020

1392

help

How many continuous paths from A to B, along segments of the figure, do not revisit any of the six labeled points?

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Guest Jan 12, 2020

759

math

2+2-16+46

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Guest Jan 12, 2020

669

i need help!

A circle with radius 1 passes through two vertices of a square, as shown in the picture. If the red area is equal to the blue area, what is the area of the square?

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Guest Jan 12, 2020

788

+537

Some Geometry

1. The lines y=1, y=3, and y=x are drawn along with the point P=(3,0). For certain slopes m, the line P through with slope m will intersect the three given lines so that one of the three points of intersection is the midpoint of the other two points. Find read more ..

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MathCuber Jan 12, 2020

633

help

What is the sum of all positive integers n satisfy sqrt(3) <= n <= sqrt(99)?

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Guest Jan 12, 2020

494

i need help now

what is the ratio of 5 to 45 as a fraction in simplest form

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Guest Jan 12, 2020

777

help!

In a 3 by 4 by 12 box, find the length of the box diagonal.

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Guest Jan 12, 2020

1018

+299

Tachyon

I am doing a topic on Tachyon on my essay. I know that the special reality theory by Einstein opposes that anything can be faster than the speed of light. There is no evidence that Tachyon exists. My question is: who comes up with this idea of Tachyon read more ..

off-topic

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tomsun Jan 12, 2020

592

need algebra help

Sumon is playing a shooting game at the carnival. He is given dollar if he hits target, but has to pay one dollar if he misses the target. After playing 100 times, he earned 30 dolllars. How many times did he hit the target?

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Guest Jan 12, 2020

All Questions ⁺⁰237643 Questions

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expansion help

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geometry

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need help on question

If x 2 and y 2 are directly proportional, and x = 2 when y = 3, then what is y when x =3?

Font Awesome not working, icons showing as squares

help

help

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math

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Some Geometry

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help!

Tachyon

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