All Questions

-2

356

help

hhelp

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Guest Jun 9, 2020

-1

440

help

If x^2 + y^2 = 61 and (x + y)^2 = 121, find x and y.

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Guest Jun 9, 2020

-1

1810

Heres a question: In triangle ABC, AB = BC = 17 and $AC = 16. Find the in radius of triangle ABC.

In triangle ABC, AB = BC = 17 and $AC = 16. Find the in radius of triangle ABC.

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Guest Jun 9, 2020

-1

447

help

Find the equation passing through (2,-3) that is perpendicular to the line x + 5y = 5.

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Guest Jun 9, 2020

-1

449

PLEASE HELP ME

Show that
1/(xM − yN), for xM −yN not identically zero, is an integrating factor
for the equation
M(x, y)dx + N(x, y)dy = yf1(xy)dx + xf2(xy)dy = 0.

Guest Jun 9, 2020

-1

353

probability

Six ants are sitting at the six vertices of a hexagon, The ants start moving randomly towards one of the neighbor vertices and then stop. What is the probability that at least three ants will meet at the center of the hexagon?
read more ..

Guest Jun 9, 2020

-1

398

help

A rubber ball is dropped from a height of 10 m. It rebounds 1/2 the distance after each fall. What is the total distance the rubber ball travels?

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Guest Jun 9, 2020

553

HELPPPPP

Is -1/2 (like the entire thing is negative) equal to -1/2 (only the top number is negative)?

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Guest Jun 9, 2020

-1

474

help

If each Hexagon has an area of 6, then what is the rectangle area?

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Guest Jun 9, 2020

-1

560

help

You have 13 socks of red colour, 5 socks of blue colour ,8 socks of green colour and 10 socks of yellow colour. What is the minimum number of socks needed to ensure you have atleast 3 socks of different colour. You draw socks at random.

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Guest Jun 9, 2020

-3

1298

+219

Angle bisectors AX and BY of triangle ABC meet at a point I. Find angle C in degrees, if angle AIB is 109 degrees.

Angle bisectors AX and BY of triangle ABC meet at a point I. Find angle C in degrees, if angle AIB is 109 degrees.

This is the (really bad) diagram. https://latex.artofproblemsolving.com/9/a/4/9a410e2228e9f2f01c8a6c8990c2ea3c9ebff2a0.png read more ..

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Noori Jun 9, 2020

-1

459

Pls Help

Pat starts with two identical square pieces of paper. On the first one, she draws straight lines that divide the paper into a -by- grid of squares. The total length of the lines she draws is
On the second piece of paper, Pat draws straight read more ..

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Guest Jun 9, 2020

843

I Need Help

1.In quadrilateral BCED, we have BD=11, BC=9, and CE = 2 . Sides BD and CE are extended past B and C, respectively, to meet at point A. If AC=28 and AB=24 , then what is DE?

2. In the diagram below, we have , AC = 9, CE = 6, and BD read more ..

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Guest Jun 9, 2020

340

HELP ME PLS ASAP

How many pairs of positive integers (x,y) satisfy the equation x^2-y^2=14?

Guest Jun 9, 2020

3358

Help With Binomial Distribution

A small regional carrier accepted 21 reservations for a particular flight with 18 seats. 11 reservations went to regular customers who will arrive for the flight. Each of the raining passengers will arrive for the flight with a 45% chance, independently read more ..

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Guest Jun 9, 2020

461

help

Find the coefficient of x^3*y*z^2 in the expandsion of (3x - 5y + z)^6.

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Guest Jun 9, 2020

463

geometry

Given that point O is the center of the circle and OA=5, OC=8, and ∠ACO=30∘, find ∠BOA in degrees.

read more ..

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Guest Jun 9, 2020

1096

+280

A helicopter departs from an airport flying at a speed of 90 miles per hour at a bearing of 250 for 20 minutes before landing on a helipad.

A helicopter departs from an airport flying at a speed of 90 miles per hour at a bearing of 250° for 20 minutes before landing on a helipad.
Determine the helipad’s location in relation to the airport. Round to the nearest tenth of a mile. Show read more ..

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auxiarc Jun 9, 2020

349

help

As shown in the figure above, two quarter circles are inscribed in a square of side length 5. A smaller square is inscribed in between the two quarter circles and a circle of radius r is inscribed in between the smaller square and the two quarter read more ..

Guest Jun 9, 2020

732

Your baby brother has an ear infection. The doctor said there are probably 50,000,000 bacteria in his left ear. The penicillin that the

Your baby brother has an ear infection. The doctor said there are probably 50,000,000 bacteria in his left ear. The penicillin that the doctor prescribed will k**l 7% of the bacteria every 6 hours. He is contagious until there are fewer read more ..

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Guest Jun 9, 2020

335

Help!!Halp!!!!

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Guest Jun 9, 2020

1145

+306

Let For how many integers n from 1 to 100, inclusive, does for some number of applications of f?

Let
For how many integers n from 1 to 100, inclusive, does for some number of applications of f?

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mathmathj28 Jun 9, 2020

479

help

If tan(x) + sec(x) = 22/7, what is tan(x)?

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Guest Jun 9, 2020

All Questions ⁺⁰232716 Questions

help

help

Heres a question: In triangle ABC, AB = BC = 17 and $AC = 16. Find the in radius of triangle ABC.

help

PLEASE HELP ME

probability

help

HELPPPPP

help

help

Angle bisectors AX and BY of triangle ABC meet at a point I. Find angle C in degrees, if angle AIB is 109 degrees.

Pls Help

I Need Help

HELP ME PLS ASAP

Help With Binomial Distribution

help

geometry

A helicopter departs from an airport flying at a speed of 90 miles per hour at a bearing of 250 for 20 minutes before landing on a helipad.

help

Your baby brother has an ear infection. The doctor said there are probably 50,000,000 bacteria in his left ear. The penicillin that the

Help!!Halp!!!!

Let For how many integers n from 1 to 100, inclusive, does for some number of applications of f?

help

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