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491

help

A utility pole is supported by two wires, one on each side, going in the opposite direction. The two wires form a 75-degree angle at the utility pole. if the wires are 12 meters and 16 meters long and secured to the ground, find the distance between the read more ..

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Guest Feb 13, 2020

275

+304

Scratch the Polynomial help. I figured it out!!!

I contacted my friend, (USJMO) competitor, he taught me using modulos and figured it out. Thank you guys for all your help :D

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DragonLord Feb 13, 2020

238

+1998

Hi! I need some help with these 2 questions. thank you in advance.

Hi! I need some help with these 2 questions. thank you in advance.

read more ..

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jjennylove Feb 13, 2020

243

help please

A pot contains 6 L of brine at a concentration of 110 g/L. How much of the water should be boiled off to increase the concentration to 200 g/L?

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Guest Feb 13, 2020

323

+1440

Amazing Math

Can someone explain this: sqrt( 50 ) = 10 * sine or cosine of 45°

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Dragan Feb 13, 2020

296

DESPERATELY NEED HELP ASAP!

The grid lines in the graph below are one unit apart. The red parabola shown is the graph of the equation y=ax^2+bx+c. Find a+b+c. NOTE: the answer isn’t -3.

read more ..

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Guest Feb 13, 2020

166

help

A plane intersects a prism to form a cross section that is a polygon with five sides. What is the minimum number of sides that the polygon at the base of the prism must have?

Guest Feb 13, 2020

1384

+995

There are $18$ chairs numbered from $1$ through $18$ around a circular table. How many ways can three people be seated, so that no two peopl

There are chairs numbered from 1 through 18 around a circular table. How many ways can three people be seated, so that no two people are adjacent?

Alright, the answer is 3276. Without any restrictions, there a total of read more ..

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hugomimihu Feb 13, 2020

188

help

Five cards are dealt from a standard 52-card deck.
(a) What is the probability that we draw 1 ace, 1 two, 1 three, 1 four, and 1 five (this is one way to get a "straight")?
(b) What is the probability that we draw any straight (including read more ..

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Guest Feb 13, 2020

250

help

One leg of a right triangle measures 3 cm. The hypotenuse of the right triangle measures 3 cm less then twice the length of the unknown leg. Find the measure of all of the sides of the triangle.

CalculatorUser ●●●●●

Guest Feb 13, 2020

227

Size of a field

Following the bounary of a rectangular field, it requires 11 rounds of a lawn mower to cut 1/2 of it and 14 more to cut the remainder. If the lawn mower cuts a swath 2 feet wide and all swaths are full, what are the dimensions of the field. Thank you for read more ..

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Guest Feb 13, 2020

226

help please

Compute the unique positive integer $n$ such that

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Guest Feb 13, 2020

136

help

Determine

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Guest Feb 13, 2020

370

+296

I think someone should fully answer 'DragonLords' questions.

Let be a nonconstant polynomial, where all the coefficients are nonnegative integers. Prove that there exist infinitely many positive integers such that is composite.

I can prove it for all cases that read more ..

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EpicWater Feb 13, 2020

147

Algebra problem----Please help

Let f(x) = 2x + 7 and g(x) = 3x + c. Find c if for all x.

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Guest Feb 13, 2020

174

sum

sigma(i=1)^49

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Guest Feb 13, 2020

484

+124

What is the length of the hypotenuse of the triangle?

One angle of a right triangle measures 60°. The side opposite this angle measures 15 inches.
What is the length of the hypotenuse of the triangle?

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valval2205 Feb 13, 2020

336

+124

Which angles are coterminal with an angle drawn in standard position measuring 172?

Which angles are coterminal with an angle drawn in standard position measuring 172°?
Options:
-548
-532 read more ..

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valval2205 Feb 13, 2020

624

The total surface area of a box is 100. The length of the box is twice its width, as well as 3 less than its height. How many units are in t

The total surface area of a box is 100. The length of the box is twice its width, as well as 3 less than its height. How many units are in the height of the box?

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Guest Feb 13, 2020

Feb 12, 2020

127

write a linear function that represents the cost y of x ounces. Intercept the slope

onces,x 8 12 16 cost,y ? 2.5 3.5 write a linear function that represents the cost y of x ounces. Intercept the slope

Guest Feb 12, 2020

329

help please

Find how many quarts of 6% butterfat milk and 3% butterfat milk should be mixed to yield 60 quarts of 4% butterfat milk.

ElectricPavlov ●

Guest Feb 12, 2020

1123

Geometry Question

In triangle $ABC,$ $AP = BQ = \frac{PQ}{2}$ and $CR/RA = 3/2.$ Find the ratio of the area of triangle $BQC$ to the area of triangle $CRQ$
[asy]
pair A, X, Y, B, Z, C;
A = (0,0);
X = (0.3,-0.2); <#> Z = (0.4,0.2); <#> Y read more ..

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Guest Feb 12, 2020

326

+124

Terminal Ray of Angle

The terminal ray of angle β , drawn in standard position, passes through the point (−7, 23‾√).
What is the value of cosβ ?

ElectricPavlov ●

valval2205 Feb 12, 2020

222

+124

Value of Trigonometric Ratio

Right △EFG has its right angle at F, EG=10 , and FG=4 .
What is the value of the trigonometric ratio of an angle of the triangle?

cos E = read more ..

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valval2205 Feb 12, 2020

All Questions ⁺⁰184025 Questions

help

Scratch the Polynomial help. I figured it out!!!

Hi! I need some help with these 2 questions. thank you in advance.

help please

Amazing Math

DESPERATELY NEED HELP ASAP!

help

There are $18$ chairs numbered from $1$ through $18$ around a circular table. How many ways can three people be seated, so that no two peopl

help

help

Size of a field

help please

help

I think someone should fully answer 'DragonLords' questions.

Algebra problem----Please help

sum

What is the length of the hypotenuse of the triangle?

Which angles are coterminal with an angle drawn in standard position measuring 172?

The total surface area of a box is 100. The length of the box is twice its width, as well as 3 less than its height. How many units are in t

write a linear function that represents the cost y of x ounces. Intercept the slope

help please

Geometry Question

Terminal Ray of Angle

Value of Trigonometric Ratio

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