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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

688

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ElectricPavlov ●

Guest Dec 24, 2019

871

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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

778

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Find the radius of the smallest circle.

Guest Dec 24, 2019

453

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Guest Dec 24, 2019

1030

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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

860

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hellospeedmind ●

Guest Dec 24, 2019

1218

+394

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

Let f be defined by
Calculate .

hellospeedmind Dec 24, 2019

898

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

Guest Dec 24, 2019

743

+262

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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

679

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

Guest Dec 24, 2019

757

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What is the circumference of the circle?

Guest Dec 24, 2019

819

geo help

ElectricPavlov ●

Guest Dec 24, 2019

718

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Compute

In the quadratic equation

read more ..

Guest Dec 24, 2019

811

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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

740

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

497

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

Guest Dec 24, 2019

629

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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.
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Guest Dec 24, 2019

901

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

Guest Dec 24, 2019

656

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real numbers x and y satisfy

enter all possible values of x, separated by commas.

Guest Dec 24, 2019

1239

help meeee!

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Guest Dec 24, 2019

2284

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

726

idk how to do this