All Questions ⁺⁰237795 Questions

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831

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few geo questions please help :(

1. A quarter-circle with radius is drawn. A circle is drawn inside the sector, which is tangent to the sides of the sector, as shown. Find the radius of the inscribed circle.
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Guest May 25, 2020

0

397

0

geometry

A spherical flask of radius r is filled with water. This is then empied into a right cylindrical flask (with flat bottom) of the same radius. To what height does the water rise?

Guest May 25, 2020

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450

0

help

In triangle ABC, b = 5, c = 8, and angle A = 60 degrees. Find the length a.

Guest May 25, 2020

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554

3

Counting and Probability question

Six people are sitting around a circular table, and each person has either blue eyes or green eyes. Let be the number of people sitting next to at least one blue-eyed person, and let be the number of people sitting next to at least read more ..

Guest May 25, 2020

0

726

1

coordinate geometry

Let line t be the line represented by 3x + 4y = 5 and let line p be the line perpendicular to line t and containing the point (5, 5). What is the x-coordinate of the point common to line t and line p ?

Guest May 25, 2020

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700

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help

In how many ways can 5/12 be represented as 1/a + 1/b, if a and b are positive integers with a >= b?

Guest May 25, 2020

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712

2

help

pls help wha ehat is 5+5+55+5+55+5+55+5+55+5+55+5+55

Guest May 25, 2020

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723

1

help

https://beastacademy.com/school/classroom/2/6/2/5

Guest May 25, 2020

0

881

1

help

https://web2.0calc.com/questions/halp_128#r1

Guest May 25, 2020

0

829

3

Halp :)

The positive five-digit integers that use each of the digits 1, 2, 3, 4 and 5 exactly once are ordered from least to greatest. What is the integer in the list?

Guest May 25, 2020

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804

1

COUNTING METHODS

SOLVE AND VERIFY

a. (n-2)! / (n-3)! = 5
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Guest May 25, 2020

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742

1

quadratic

Factor x^2 + 5x + 4. Find the roots of this quadratic.

Guest May 25, 2020

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714

1

help!

Guest May 25, 2020

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561

1

probability

In a Bombing action, there is a 50% chance that any bomb will strike the target. Two direct hits are needed to destroy the target completely. How many bombs are required to be dropped to give 99% chance or better of destroying the target?

Guest May 25, 2020

0

1076

1

please help

Connie can wash nine windows in one hour. Rick can wash seven windows in one hour. Connie has been washing windows for one hour, when Rick joins her to finish the job. The entire job consists of washing 57 windows. How many hours does Rick work?
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Guest May 25, 2020

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476

1

help

What is the angle formed by the line (1,2,0) + t(-1,2,1) and a normal vector of the plane x+y-z = 4? Give your answer in degrees.

Guest May 25, 2020

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461

1

help

The intersection of the planes 8x + y - 12z = 35 and 6x + 7y - 9z = 70 is a line. Find the point where this line intersects the xy-plane.

Guest May 25, 2020

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785

2

trig

If sin(x) = -1/2, then find all possible values of sec(x).

Guest May 25, 2020

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465

1

help

A mother weighs 100 lbs more than the combined weights of her baby and her god. Together, all three weigh 172 lbs. Her dog weights 40% of the weight of the baby. How much does the baby weigh?

Guest May 25, 2020

+1

1144

3

I dont know how to continue

Here is the question-
The following diagonal is drawn in a regular decagon, creating an octagon and a quadrilateral. What is the measure of x? read more ..

Guest May 25, 2020

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387

0

please help

Find the sum of anlges beta and gamma.

Guest May 25, 2020

+2

559

2

+284

Geometry Question

Hi, it would mean so much to me if someone helped me with this problem:
Let B, A, and D be three consecutive vertices of a regular 18-gon. A regular heptagon is constructed on AB with a vertex C next to A. Find angle BCD.
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Caffeine May 25, 2020

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452

0

Hello Everyone, I Have A Simple Question To Ask

For those who are knowledgable about university awards, I would like to know whether receiving the Distinguished Scholar Award as a freshman in college is considered a significant achievement in my studies?
I would appreciate any comments read more ..

Guest May 25, 2020

0

432

1

help!

Solve the following cryprogram, where R, G, B are different, nonzero digits.

Guest May 25, 2020

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