banana

4 Questions
5 Answers

+1

506

1

+34

help!

Let R be the circle centred at (0, 0) with radius 10. The lines x = 6 and y = 5 divide R into four regions R1, R2, R3, andR4. Let [Ri] denote the area of region Ri. If [R1] > [R2] > [R3] > [R4], then find [R1] - [R2] - [R3] + [R4]. read more ..

banana May 7, 2020

+1

503

2

+34

help !!

In triangle ABC, point P is on side BC such that PA = 13, PB = 14, PC = 4, and the circumcircles of triangles APB and APC have the same radius. Find the area of triangle ABC.

banana May 6, 2020

0

1890

1

+34

geometry help

Two lines p and q intersect at X at an angle of 34 degrees Let A be a point inside the 34 degrees angle formed by p and q. Let B be the reflection of A through line p, and let C be the reflection of A through line q. Find angle read more ..

banana Apr 7, 2020

+3

1565

1

+34

A teacher is making her students do the attendance. She has 3 blue ink pens and 9 black ink pens. The put the pen back every time it is used

A teacher is making her students do the attendance. She has 3 blue ink pens and 9 black ink pens. The put the pen back every time it is used. What is the probability that the first three students will consecutively pick a blue ink pen?

banana Oct 21, 2019

+34

+1

i cant put in a full explanation for some reason so the answer is 108.

bananaMay 7, 2020

+34

+1

Since AP is a chord of both circles,

bananaMay 7, 2020

+34

+3

the base is 24 and by Pythagorean theorem, the other leg is 7. (7*24)/2 = 84. 84 is the answer.

bananaApr 13, 2020

+34

+4

8 hours is equal to 480 minutes. So 480/2 = 240. Multiplying 15 by 240 gives 3600 tin cans.

bananaApr 9, 2020

+34

0

there are 8*10^6 = 8,000,000 total phone numbers

bananaApr 7, 2020