All Questions ⁺⁰237642 Questions

0

721

1

help

Simplify tan(20) + tan(40) + sqrt(3)*tan(20)*tan(40). (All angles are in degrees.)

Guest Dec 13, 2019

+1

800

2

help

The longer base of an isosceles trapezoid is a chord of a circle, and the shorter base is tangent to the circle. If the length of one leg is 5 and the lengths of the bases are 24 and 18, find the area of the circle.

Guest Dec 13, 2019

0

789

5

+262

help!

Find constants A and B such that (x + 7)/(x^2 - x - 2) = A/(x - 2) + B/(x + 1 for all x such that x\neq -1 and x\neq 2. Give your answer as the ordered pair (A,B).

●●●●●

atlas9 Dec 13, 2019

+2

1067

6

+2864

Test Validation

Can someone help validate my test?

https://forms.gle/6rnd6ryVKctoRtq17
read more ..

off-topic

●●●●●●

CalculatorUser Dec 13, 2019

0

1495

1

Derivative of Inverse Functions

If the function f is defined by f(x) = 2x+sinx and the function g is the inverse of f, then g'(2)=
A) 0.324
B) 0.342
C) 0.360
D) 0.378 <#>

Guest Dec 13, 2019

0

568

7

matrix help

●●●●●●●

Guest Dec 13, 2019

0

953

2

A number is multiplied by 3. Next, 6 is added to the product. Then, the sum is divided by 8. If the result is 6, what is the number ?

A number is multiplied by 3. Next, 6 is added to the product. Then, the sum is divided by 8. If the result is 6, what is the number ?

Guest Dec 13, 2019

+1

892

3

help

If a + b + c = 56, a^2 + b^2 + c^2 = 1344, and a^2 = bc, then find abc.

Guest Dec 13, 2019

0

673

2

help

Find the 100th digits after the decimal point in the decimal expansion of 1/7.

Guest Dec 13, 2019

0

668

2

HELP!!!

5 + g/8 = 2(3g + 4) -6g dunno what g is

Guest Dec 13, 2019

-4

1042

13

+30

/gone

●●●●●●●●●●●●●

whoisjoe Dec 13, 2019

0

651

1

help

A vector makes an angle of 30 degrees with the x-axis, and an angle of 80 degrees with the y-axis. Find the angle between the vector and the z-axis.

Guest Dec 13, 2019

0

481

1

help

Solve the puzze ABC - CBA = CAB. (Each letter stands for a digit.)

Guest Dec 13, 2019

0

536

1

hep

Find the number of positive integers n such that all the angles in a regular n-gon have an integer number of degrees.

Guest Dec 13, 2019

+1

777

1

+7

plz help

If the flour to sugar ratio is 5 liters flour to 1 liter sugar, then how much sugar is needed if only 2 liters of flour are used? (Give the answer as a fraction.)

chyro Dec 13, 2019

Dec 12, 2019

0

553

1

geometry

Circles centered at A and B each have radius 2. Point O is the midpoint of line AB, and OA = 2*sqrt(2). Segments OC and OD are tangent to the circles centered at A and B, respectively, and line EF is a common tangent. What is the read more ..

Guest Dec 12, 2019

0

764

2

n the diagram, angle A is right...

https://latex.artofproblemsolving.com/e/d/3/ed32b01b9329769b3c0a5200881c125398c4a2f3.png

Guest Dec 12, 2019

0

1754

2

math

An equilateral triangle of side 14 centimeters is revolved about an altitude to form a cone. What is the number of cubic centimeters in the volume of the cone? Express your answer to the nearest whole number, without units.

Guest Dec 12, 2019

+1

745

2

interesting video i found :)

wanted to share a cool video i found about tangent lines, admittedly i dont understand it fully, probably one of the math whizzes here will :)

https://www.youtube.com/watch?v=n95qJo4ZcnU

Guest Dec 12, 2019

0

584

1

very cool video i found :)

video about tangent lines, admittedly i dont understand it fully but it is very interesting, maybe melody will understand

https://www.youtube.com/watch?v=n95qJo4ZcnU

Guest Dec 12, 2019

0

881

1

A tractor has a rear wheel with a circumference of x m. The circumference of the front wheel is 6 m less. If the front wheel makes 10 more r

A tractor has a rear wheel with a circumference of x m. The circumference of the front wheel is 6 m less. If the front wheel makes 10 more revolutions than the rear wheel every 360m, what is the circumference in m of the front wheel?

Guest Dec 12, 2019

0

461

2

Geometry pls help I really need it

I need help with this question pls help me

Guest Dec 12, 2019

0 Online Users