All Questions ⁺⁰237665 Questions

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405

0

PLEASE HELP!

https://web2.0calc.com/questions/please-help_19846

Guest May 23, 2020

0

602

2

help

Let f(x) = (x + 2)/(x - 2). Find the inverse of the function f(x).

Guest May 23, 2020

0

504

0

Need a proof or an idea of how to do this!

Perpendiculars BD and CE are drawn from vertices B and C of triangle ABC to the interior bisectors of angles C and B, meeting them at D and E, respectively. Prove that DE intersects AB and AC at their respective points of tangency, F and G, with the circle read more ..

Guest May 23, 2020

0

733

1

+77

Sort of need big help

Find the number of ways of tiling a 2*10 rectangle with 1*2 tiles. (The tiles can be placed in any orientation.)

Jonjon May 23, 2020

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537

1

help

Find a polynomial with integer coefficients with sqrt(2) + sqrt(3) as a root.

Guest May 23, 2020

0

405

0

PLEASE HELP!

https://web2.0calc.com/questions/help_74753

Guest May 23, 2020

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453

1

help

Find the number of zeros at the decimal representation of 1000!.

Guest May 23, 2020

0

541

2

help needed

Jax bought exactly enough trees to plant eight equal rows. Then one tree died and couldn’t be planted, but he still had enough trees left to plant exactly nine equal rows. After that, a tree was stolen, but he still had enough trees left to plant exactly read more ..

Guest May 23, 2020

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395

0

same question repost

Someone already posted the same set of questions: https://web2.0calc.com/questions/any-help-would-be-greatly-appreciated-geometry-question

Thanks!

Guest May 23, 2020

0

396

0

Help!

https://web2.0calc.com/questions/please-help_19846

I got 3/16 but it was wrong...

Guest May 23, 2020

0

400

0

PLEASE PLEASE HELP!

https://web2.0calc.com/questions/please-help_19846

Guest May 23, 2020

0

590

1

help!

In a class of 28 students, the teacher selects four people at random to participate in a geography contest. What is the probability that this group of four students includes at least two of the top three geography students in the class?

Guest May 23, 2020

0

699

2

Please Help!!

Find the number of ordered pairs (x,y) of real numbers such that:

(2x^2+4x+8)(3y^2-6y+7)=24

Guest May 23, 2020

0

445

1

help

Compute (1 - 1/4)(1 - 1/9)(1 - 1/16) ... (1 - 1/k^2) ... (1 - 1/10000).

Guest May 23, 2020

0

751

1

+738

PLEASE PLEASE pLeAsE help!!!!!

A circle is inscribed in a rhombus with a side length of 169 and one diagonal of length 130. What is the area of the region inside the rhombus but outside the circle? Express your answer to the nearest whole number.

lokiisnotdead May 23, 2020

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534

1

any help would be greatly appreciated (geometry question) :)

Let and be two points on the hyperbola and let be the reflection of through the origin.

(a) Show that is on the hyperbola.
read more ..

Guest May 23, 2020

0

443

0

trig

Find the number of solutions to sin(x)^4 + cos(x)^4 = 5/8 in the interval 0 < x < 2*pi.

Guest May 23, 2020

0

456

1

help

How many integers n satisfy both of these conditions:
(1) 100 < n < 200
(2) n has the same remainder whether it is divided by 6 or 8?

Guest May 23, 2020

+1

614

4

+738

PLEASE HELP ASAP!!!!!

what is the least 5 digit positive number that has exactly 9 positive divisors?

please help!!!!!:D

lokiisnotdead May 23, 2020

0

546

2

algebra

Solve the inequality (x + 3)/(x + 1) >= x.

Guest May 23, 2020

0

382

0

PLEASE HELP!

https://web2.0calc.com/questions/please-help_19846

Guest May 23, 2020

0

531

0

+18

help, this is not easy

Martha wants to make a 290-gram batch of scented oil at a cost of $10.05 per gram. The oil is made by blending rose oil, which costs $12.25 per gram, with sweet almond oil, which costs $1.25 per gram. How many grams of each should Martha use?
Write your read more ..

nicktheninz May 23, 2020

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622

2

Help! Functions!

If f(-4) = -22, f(-1)=2, and f(2)=-1, what is the function if f(x) is a quadratic polynomial?

Guest May 23, 2020

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