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Post New Question
All Questions
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237665 Questions
+1
571
1
help
to start an avalanche on a mountain slope, an artillery shell is fired with an initial velocity of 200 m/s at 55° above the horizontal. It explodes on the mountainside 30 s after firing. What is the x coordinate of the shell where it explodes, relative
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Guest
Oct 13, 2020
0
683
1
geometry question
a triangle has sides of lengths 19, 20, 22 .
a) calculate the size of each angle of the triangle.
b) calculate the area of the triangle
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Guest
Oct 13, 2020
0
665
1
se calcula el angulo de la pendiente m=3 de la calculadora θ=Arctan 3 θ=shith tan 3= 71.56 grados resuelve el siguiente m=2 θ=Arctan 2 θ=shi
se calcula el angulo de la pendiente m=3 de la calculadora θ=Arctan 3 θ=shith tan 3= 71.56 grados resuelve el siguiente m=2 θ=Arctan 2 θ=shith tan 2 =
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Guest
Oct 13, 2020
0
575
1
algebra
Suppose f(x) is a polynomial of degree 4 or greater such that f(1) = 2, f(2) = 3, and f(3) = -5. Find the remainder when f(x) is divided by (x - 1)(x - 2)(x - 3).
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Guest
Oct 13, 2020
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432
1
number theory
Find the least four-digit solution r of the congruence r^2 + 4r + 4 == 1 (mod 55).
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Guest
Oct 13, 2020
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443
1
help please
If a pound of tea has twice as much caffeine as a pound of coffee, and if a pound of tea is enough to make 160 cups of tea, and if a pound of coffee to make 40 cups, and if a 12-ounce can of cola has about one-fifth the caffeine as a cup of coffee. How
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Guest
Oct 13, 2020
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564
2
minimum value
Given that xy = 1/2 and both x and y are nonnegative real numbers, find the minimum value of 4x + 9y.
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Guest
Oct 13, 2020
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359
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help with radical expressions
How do you simplify these?
Guest
Oct 13, 2020
0
509
1
algebra question
The school that Alexis goes to is selling tickets to a Dance performance. On the first day of ticket sales the school sold 3 adult tickets and 1 child ticket for a total of 38. The school took in 52 on the second day by selling 3 adult tickets and
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Guest
Oct 13, 2020
-1
521
2
help with math problems
how to factor this?
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Guest
Oct 13, 2020
Oct 12, 2020
+1
728
2
determinar la ecuacion y la grafica de la linea recta que tiene como pendiene m = - 1 y ordenada b= 6
determinar la ecuacion y la grafica de la linea recta que tiene como pendiene m = - 1 y ordenada b= 6
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Guest
Oct 12, 2020
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390
0
graph
On the graph of y = (x + 2)^4 - 500, how many points are there whose coordinates are both negative integers?
Guest
Oct 12, 2020
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539
1
percent
When the length of a rectangle is increased by 20% and the width increased by 18%, by what percent is the area increased?
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Guest
Oct 12, 2020
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487
1
geometry
Given m∠5 = (125 − x )° and m∠8 = (−10 − 28 x)°, find m∠7 .
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Guest
Oct 12, 2020
0
977
1
Help!
Two circles have the same center $C.$ (Circles which have the same center are called concentric.) The larger circle has radius $10$ and the smaller circle has radius $6.$ Determine the area of the ring between these two circles.
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Guest
Oct 12, 2020
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516
1
please help
Find all the missing values.
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Guest
Oct 12, 2020
0
628
1
If c is a constant such that 9x^2 + 8x + c is equal to the square of a binomial, then what is c?
If c is a constant such that 9x^2 + 8x + c is equal to the square of a binomial, then what is c?
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Guest
Oct 12, 2020
0
521
1
help with geo
What is the value of x?
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Guest
Oct 12, 2020
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415
1
number theory
Larry has 4-cent stamps and 11-cent stamps, which he can combine to produce various amounts of postage. For example, he can make 48 cents by using four 11-cent stamps and a 4-cent stamp. However, there are some amounts of postage he can't
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Guest
Oct 12, 2020
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672
4
+223
Help Please ASAP
A very large number x is equal to . What is the smallest positive integer that, when multiplied with x, produces a product that is a perfect square?
Thank You So Much!!!
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CPhilFanboy
Oct 12, 2020
+1
2079
4
Find the quotient and remainder when x^2+2 is divided by x-2.
Find the quotient and remainder when x^2+2 is divided by x-2.
I got x+2 + (6)/(x-2)
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Guest
Oct 12, 2020
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899
1
What is the probability that a randomly selected integer in the set { 1, 2, 3 ... 100 } is divisible by 2 and not divisible by 7?
What is the probability that a randomly selected integer in the set { 1, 2, 3 ... 100 } is divisible by 2 and not divisible by 7? Express your answer as a common fraction.
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Guest
Oct 12, 2020
0
834
6
+122
In how many ways can a resident of Enigma use only bills to purchase a gyroscope that costs 97 confusions?
In how many ways can a resident of Enigma use only bills to purchase a gyroscope that costs 97 confusions?
help!!!!! tysmmm
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heartSTORM907
Oct 12, 2020
0
417
1
probability
There are five unmarked envelopes on a table, each with a letter for a different person. If the mail is randomly distributed to these five people, with each person getting one letter, what is the probability that exactly two people get the correct piece
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Guest
Oct 12, 2020
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