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8 Questions
16 Answers

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please help

In the diagram, four circles of radius 1 with centers P, Q, R, and S are tangent to one another and to the sides of , as shown.
Find the perimeter of triangle ABC. read more ..

ItsFree Jun 3, 2023

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127

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question posted but not answered

and are three points on a plane such that and Draw three circles whose diameters are and respectively. The area of the region included in all three circles (the grey region below) is in read more ..

ItsFree Feb 24, 2023

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109

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hulp

A rectangular building is meters by meters. A dog is tied to a rope that is meters long, and the other end is tied to the midpoint of one of the long sides of the building. Find the total area of the region that the dog can reach (not including the inside read more ..

ItsFree Feb 21, 2023

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106

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Hello, quick question

In this problem, triangle is situated suh that is on . The ratio of to is . The area of triangle is square centimeters. What is the area of triangle ?
read more ..

ItsFree Jan 26, 2023

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284

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Evaluate the infinite geometric series:

Evaluate the infinite geometric series:

ItsFree May 2, 2022

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311

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Huh?…Stuck

What is the coefficient of in ?

ItsFree Mar 28, 2022

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350

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CPhill I need you! Please!

Given that the point (9,7) is on the graph of y=f(x), there is one point that must be on the graph of . What is the sum of coordinates of that point?

ItsFree Mar 24, 2022

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537

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Pleaze help

The following cards are dealt to three people at random, so that everyone gets the same number of cards. What is the probability that everyone gets a red card?
[red 1] [red 2] [red 3] [yellow 1] [yellow 2] [yellow 3] [blue1] [blue 2] [blue 3]
<read more ..

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ItsFree Jan 17, 2022