All Questions +0 238211 Questions

The angles of a triangle are in the ratio 3:4:5. Find the numerical value of the ratio of the sine of the smallest angle to the sine of the next smallest angle.

Guest Dec 24, 2019

677

help

ElectricPavlov ●

Guest Dec 24, 2019

866

help

In acute triangle ABC, AB = c, BC = a, CA = b, and ac = 2b. Find the numerical value of cos(A)/a + cos(C)/c.

Find the normal vector to the plane through points A = (0,1,1), B = (1,1,0) and C = (1,0,3) such that n_1 + n_2 + n_3 = 5.

Guest Dec 24, 2019

769

Help please

Find the radius of the smallest circle.

Guest Dec 24, 2019

444

help

Guest Dec 24, 2019

1021

help

Quadrilateral ABCD is a square. Let a,b,c be parallel lines passing through A, B , and C, respectively. The distance between lines a and b is 12, and the distance between lines b and c is 17. Find the area of square ABCD. read more ..

What is the greatest prime factor of 2^{34} - 2^{28}?

Guest Dec 24, 2019

852

help

hellospeedmind ●

Guest Dec 24, 2019

1210

+394

How many trailing zeroes are there at the end of 2019!?

Let f be defined by
Calculate .

hellospeedmind Dec 24, 2019

890

help

Let
If f(x)=-2, find the sum of all possible values of x.

Guest Dec 24, 2019

733

+262

help

In the given figure angle ADE=angle B , AD =6.8, AE=8.6, BE=2.4 AND BC =5.5, FIND DE.

atlas9 Dec 24, 2019

673

help

In the figure, ABC is an equilateral triangle with AB = 6. Find the area of the circumcircle.

Guest Dec 24, 2019

748

help

What is the circumference of the circle?

Guest Dec 24, 2019

811

geo help

ElectricPavlov ●

Guest Dec 24, 2019

711

help

Compute

In the quadratic equation

read more ..

Guest Dec 24, 2019

802

help please

In square ABCD, E and F are the midpoints of BC and CD, respectively. Line segments BF and AE intersect at G. Let M be the midpoint of AB, and let N be the intersection of AE and DM.
(a) Show that quadrilaterals GFDN and GBMN read more ..

Guest Dec 24, 2019

731

In square ABCD, E and F are the midpoints of BC and CD, respectively. Line segments BF and AE intersect at G. Let M be the midpoint of

It is known that any odd number greater than 7 can be expressed as the sum of three odd prime, not necessarily distinct. Find the smallest odd number that can be expressed as the usm of three odd primes in three different ways.

Guest Dec 24, 2019

485

help

Find the number of ways of distributing 3 distinguishable balls among 6 distinguishable boxes.

Guest Dec 24, 2019

619

help

Let ABCD and FBED be two 2 x 3 rectangles, as shown. The part where the two rectangles overlap is shaded. Find the area of the shaded region.
read more ..

Guest Dec 24, 2019

894

Help

In the quadratic equation x^2+((k-(1/k))x-1=0 solve for $x$ in terms of $k$.

Guest Dec 24, 2019

649

Help please

real numbers x and y satisfy

enter all possible values of x, separated by commas.

Guest Dec 24, 2019

1230

help meeee!

●●●●

Guest Dec 24, 2019

2274

please help! thank you :)

one ordered pair (a, b) satisfies the two equations and . what is the value of a in this ordered pair?

thank y'all so much !!

Each side of a rhombus has length 6.One of the angles of the rhombus is 120 degrees. Find the area of the rhombus.

Guest Dec 24, 2019

717

idk how to do this