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Post New Question
All Questions
+0
237680 Questions
0
408
1
geometry
One side of a triangle is one-third the longest side. The third side is 13 feet less than the longest side. The perimeter is 85. Find all three sides.
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Guest
Jul 28, 2021
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407
1
Coordinates
Find the area of the region enclosed by the graph of x^2 + y^2 = 2x - 6y + 6 + 4x - 8y.
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Guest
Jul 28, 2021
+2
1101
3
+25
Two distinct number cubes, one red and one blue, are rolled together. Each number cube has sides numbered 1 through 6.
Two distinct number cubes, one red and one blue, are rolled together. Each number cube has sides numbered 1 through 6.
What is the probability that the outcome of the roll is a sum that is a multiple of 6 or a sum that is a multiple of 4?
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iboeshak
Jul 28, 2021
+1
452
1
+25
I need help, Thankss!!
A spinner is divided into four equal sections that are numbered 2, 4, 7, and 9. The spinner is spun twice.
How many outcomes have a product less than 30 and contain at least one odd number?
5
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iboeshak
Jul 28, 2021
0
447
1
help math
Deven has four ducks labeled A, B, C, and D. How many ways are there for Deven to arrange his ducks in a row if duck A must be before duck D, and duck D must be beofre duck B?
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Guest
Jul 28, 2021
0
465
1
Modular Arithmetic
Let S = 1 + 2 + 3 + ... + 2010. What is the residue of S, modulo 2010?
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Guest
Jul 28, 2021
0
431
1
Units Digit
What is the ones digit of 1^2009 + 2^2009 + 3^2009 + ... + 2009^2009 + 2010^2009 + 2011^2009 + 2012^2009?
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Guest
Jul 28, 2021
0
458
2
Inverse Functions
If f(x) = (x - 3)/(-x - 4), then for what value of x is $f^{-1}(x)$ undefined?
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Guest
Jul 28, 2021
0
453
3
help counting
How many license plates consist of 3 letters, followed by 2 even digits, followed by 2 letters?
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Guest
Jul 28, 2021
0
460
2
PLS HELP THANK YOU!
I choose a random integer $n$ between $1$ and $10$ inclusive. What is the probability that for the $n$ I chose, there exist no real solutions to the equation $x(x+5) = -n$? Express your answer as a common fraction
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Guest
Jul 28, 2021
0
488
6
pls help! thanks :)
Hai thereee!!! I've been putting off this question for a long time and have been doing other problems... so now i need a bit of help on this ;-;
sorry for the trouble:
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Guest
Jul 28, 2021
0
282
0
help quadratic
Suppose that a bottle rocket is launched upward with a initial velocity of 96ft/sec from a height of 880ft. Its height is h, in feet, after t seconds is given by h(t)=-16^2 + 96t + 880. After how long will the rocket reach the ground?
Guest
Jul 28, 2021
Jul 27, 2021
0
455
6
Parabola
Find the vertex of the graph of the equation x - y^2 + 8y = 13 + 6x - 6y.
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Guest
Jul 27, 2021
0
487
1
sequences
In a set of four numbers, the first three are in a geometric sequence and the last three are in an arithmetic sequence with a common difference of 6. If the first number is the same as the fourth, find the four numbers.
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Guest
Jul 27, 2021
0
262
1
coordinates
Find the area of the region enclosed by the graph of x^2 + y^2 = 2x - 6y + 6 + 4x - 8y.
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Guest
Jul 27, 2021
0
465
1
Plz Ineed Hlp
Proof the formula of unit circle 𝑥 ^2 + 𝑦 ^2 = 1, and explain it in your own words
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Guest
Jul 27, 2021
0
454
1
Help plz
Graph: 𝑓(𝑥) − 8= 3𝑐𝑜𝑠𝑥 + 1
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Guest
Jul 27, 2021
0
468
2
help pls
Find the sum of all values of x such that $2^{x^2-3x-2} = 4^{x - 4} \cdot 8^x$.
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Guest
Jul 27, 2021
0
507
1
PLease Give correct answer
The indicator on my gas gauge goes from $\frac{3}{8}$ full to $\frac{3}{4}$ full when I put 6 gallons of gas into the tank. How many gallons of gas does the tank hold when it is full?
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Guest
Jul 27, 2021
0
536
1
helppppp
The base of a rectangular tank is five feet by six feet, and the tank is three feet tall. The water in the tank is currently nine inches deep.
How much water is in the tank?
The water level will rise when a one-foot
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Guest
Jul 27, 2021
0
282
1
help algebra
Find all pairs (x,y) of real numbers such that x + y = 10 and x^2 + y^2 = 56 - 2xy.
For example, to enter the solutions and , you would enter "(2,4),(-3,9)" (without the quotation marks).
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Guest
Jul 27, 2021
0
401
1
geometry
M is the midpoint of PQ and N is the midpoint of PR, and O is the intersection of QN and RM, as shown. If QN is perpendicular to PR, QN = 18, and PR = 14, then find OR.
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Guest
Jul 27, 2021
0
448
2
Answer this question please
Let $DEF$ be an equilateral triangle with side length $3.$ At random, a point $G$ is chosen inside the triangle. Compute the probability that the length $DG$ is less than or equal to $1.$
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Guest
Jul 27, 2021
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