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Post New Question
All Questions
^{+0}
184025 Questions
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491
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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
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Guest
Feb 13, 2020
+1
275
4
+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
0
238
4
+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.
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jjennylove
Feb 13, 2020
0
243
4
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
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323
3
+1440
Amazing Math
Can someone explain this: sqrt( 50 ) = 10 * sine or cosine of 45°
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Dragan
Feb 13, 2020
0
296
3
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.
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Guest
Feb 13, 2020
0
166
0
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
+1
1384
8
+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
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hugomimihu
Feb 13, 2020
0
188
2
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
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Guest
Feb 13, 2020
0
250
5
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
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Guest
Feb 13, 2020
0
227
7
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
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Guest
Feb 13, 2020
0
226
5
help please
Compute the unique positive integer $n$ such that
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Guest
Feb 13, 2020
0
136
2
help
Determine
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Guest
Feb 13, 2020
0
370
4
+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
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EpicWater
Feb 13, 2020
0
147
1
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
0
174
1
sum
sigma(i=1)^49
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Guest
Feb 13, 2020
0
484
2
+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
0
336
1
+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
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valval2205
Feb 13, 2020
0
624
1
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
0
127
0
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
0
329
1
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
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Guest
Feb 12, 2020
0
1123
1
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
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Guest
Feb 12, 2020
0
326
1
+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
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valval2205
Feb 12, 2020
0
222
1
+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 =
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valval2205
Feb 12, 2020
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