All Questions ⁺⁰237665 Questions

0

388

0

please help

Represent a +b by using the parallelogram method.

Guest May 14, 2020

-4

650

1

+318

Pre Calc

Rewrite the equation in the form y=A sin (x+c)

y=2 sin x+ 2 cos x
???? read more ..

mharrigan920 May 14, 2020

0

1

665

1

TRIGONOMETRY

A man wishes to fence a lot bounded by street running east and west, another street running north and south, and a third street that bears N32°E. The frontage on the east-west street is 50 m. How many meters of fencing material is needed?

Guest May 14, 2020

0

418

0

help

A person conducts an experiment in which he rides in an elevator while standing on a set of
scales that displays his weight in pounds. Let a be the elevator's upward acceleration relative to the earth. The
forces acting on the person are read more ..

Guest May 14, 2020

0

525

1

Trigo

An airplane flies from A to B 500 km away in the direction 90° and then to C 700 km north of A. How long is the flight from B to C? What is the flight’s bearing?

Guest May 14, 2020

0

527

1

help

Find the number of integer solutions to a^2 + b^2 = 625.

Guest May 14, 2020

0

768

2

+80

How many 9-step paths are there from E to G?

https://web2.0calc.com/questions/how-many-9-step-paths-are-there-from-nbsp-nbsp-to-nbsp-nbsp-which-pass-through-nbsp
This problem is slightly different than the one from the link.
lol
just saw someone with the same question read more ..

Sarvajit May 14, 2020

0

1314

5

+80

How many 9-step paths are there from E to G?

This problem has been in web2.0calc, but the problem is slightly different.
https://web2.0calc.com/questions/how-many-9-step-paths-are-there-from-nbsp-nbsp-to-nbsp-nbsp-which-pass-through-nbsp
read more ..

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Sarvajit May 14, 2020

0

563

1

help

William travels to school in two different ways. Either he walks to school and takes the bus home, or he takes the bus to school and walks home. In each case his total travelling time is 40 minutes. If he were to take the bus both ways, his total travelling read more ..

Guest May 14, 2020

0

11

1344

2

Trigo

From the top of the mountain 532 m higher than a nearby river, the angle of depression of a point P on the closer bank of the river is 52.6o, and the angle of depression of a point Q directly opposite P on the other side is 34.5o. Points P and Q and the read more ..

Guest May 14, 2020

0

549

1

help

Use DeMoivre’s Theorem to find the following:
5(cis 7π/4)^4

Guest May 14, 2020

0

534

2

help

Find the cube roots of the following:

343(cis π)

Guest May 14, 2020

0

400

0

geometry

In isosceles triangle ABC, angle A is 40 degrees. Find all possible values of angle B.

Guest May 14, 2020

-4

604

1

+318

Pre Calc Final PLS HELP

Solve each trigonmetric equation in the interval (0, 2pi) by first squarring both sides.

(SQ RT 3) sin x=cos x+1
read more ..

mharrigan920 May 14, 2020

0

565

3

help

What is 30% of 40% of 50?

CalTheGreat ●●●

Guest May 14, 2020

0

409

1

please help

There exist exactly five 2-digit positive integers that each have the property where they are divisible by the product of their digits. Find these 2-digit integers.

Guest May 14, 2020

0

822

1

oddie question

An oddie number is a 3-digit number with al three digits odd. How many oddie numbers are divisible by 3?

Guest May 14, 2020

0

603

5

Help would be much appreciated! Thank you everyone!

Prove that there exists a positive integer N such that there are at least 2005 ordered pairs (x,y), of non-negative integers x and y satisfying x^2 + y^2 = N

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Guest May 14, 2020

0

558

1

help

The quadrilateral ABCD has right angles at A and D. The numbers show the areas of the colored triangles.
Find the area of ABCD.

read more ..

Guest May 14, 2020

0

416

3

Please help with this question last min prep!

Prove that there exists a positive integer N such that there are at least 2005 ordered pairs (x,y), of non-negative integers x and y satisfying x^2 + y^2 = N

Guest May 14, 2020

0

567

1

A square is inscribed in a right triangle, as shown below. The legs of the triangle are 2 and 3. Find the side length of the square.

A square is inscribed in a right triangle, as shown below. The legs of the triangle are 2 and 3. Find the side length of the square.
[asy]
unitsize(1.5 cm);
pair A, B, C, D, E, F, G;
A = (0,0);
C = (5,0); <#> B = (3^2/5,3*4/5); <#> D = read more ..

Guest May 14, 2020

0

491

1

factorial

how can i get the factorial function on the calculator

Guest May 14, 2020

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