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Post New Question
All Questions
+0
229704 Questions
+1
774
1
+193
Inverse Proportion
A horse 24 feet from the center of a merry-go-round makes 32 revolutions. In order to travel the same distance, how many revolutions would a horse 8 feet from the center have to make?
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clairepow
Feb 14, 2021
+1
576
1
+193
What is the value of $4^{10} \times 8^{20}$? Express your answer in the form $a^b$, where $a$ and $b$ are positive
What is the value of $4^{10} \times 8^{20}$? Express your answer in the form $a^b$, where $a$ and $b$ are positive integers such that $a$ is the least possible positive integer.
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clairepow
Feb 14, 2021
0
507
1
algebra problem
Three quarters of the cars in a parking garage are black, 4/7 of the remaining cars are blue, and the rest are silver. If there are 9 silver cars, how many cars are in the parking garage?
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Guest
Feb 14, 2021
+1
471
1
+193
Polynomial Multiplication
If $(x + 2)(3x^2 - x + 5) = Ax^3 + Bx^2 + Cx + D$, what is the value of $A + B + C + D$?
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clairepow
Feb 14, 2021
+1
506
1
+193
Polynomial Basics
Find the sum of the coefficients in the polynomial $3(3x^{7} + 8x^4 - 7) + 7(x^5 - 7x^2 + 5)$ when it is fully simplified.
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clairepow
Feb 14, 2021
+1
367
1
+193
Let $f$ be defined by
Let $f$ be defined by
\[f(x) = \left\{
\begin{array}{cl}
2-x & \text{ if } x \leq 1, \\
2x-x^2 & \text{ if } x>1.
\end{array} <#> \right.\]
Calculate $f^{-1}(-3)+f^{-1}(0)+f^{-1}(3)$.
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clairepow
Feb 14, 2021
0
312
1
+16
Please Help Now! URGENT!!
Let be the integer such that and . What is ?
Express your answer as an integer from 0 to 30, inclusive.
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hmaser
Feb 14, 2021
0
812
2
trains
Two trains, Train A and Train B, weigh a total of 192 tons. Train A is heavier than Train B. The difference of their weights is 120 tons. What is the weight of each train?
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Guest
Feb 14, 2021
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292
0
please help
There are 2 red, 5 green, 3 blue, and 4 white points on a circle. Find the number of line segments which have different vertices of different colors at the given points.
Guest
Feb 14, 2021
0
322
1
ratio
The ratio of cows to goats in a farm is 3:2 if there are 210 more cows than goats how many animals are there in the farm
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Guest
Feb 14, 2021
0
541
2
+68
PLS HELP!!!
There are 4 parts to this question but I already did part A, so ere are parts B,C, and D:
B-Alejandra's Tapas Bar offers a menu consisting of 9 savory and 5 sweet dishes. You can also get a mix-and-match plate consisting of two different
read more ..
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piano123
Feb 14, 2021
0
519
1
Find the last two digits of the following sum
Find the last two digits of the following sum: 5! + 6! + 7! + 8! + 9! + 10! + ... + 100!
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Guest
Feb 14, 2021
0
317
1
triangle problem
A triangle whose side lengths are whole numbers has one side which measures 25 inches and another side of 80 inches. What is the fewest number of inches that can be the length of one of the remaining sides?
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Guest
Feb 14, 2021
0
445
2
In square units, what is the area of the gray triangle?
In square units, what is the area of the gray triangle?
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Guest
Feb 14, 2021
0
404
1
help please
The line x = k intersects the graph of the parabola x = -y^2 - 3y - 5 at exactly one point. What is k?
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Guest
Feb 14, 2021
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342
1
geomery
In the diagram below, AM = BM = CM and angle BMC + angle A = 201 degrees. Find angle B in degrees.
read more ..
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Guest
Feb 14, 2021
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336
1
What is the domain of the function
What is the domain of the function
j(x) = 1/(x + 8) + 1/(x^2 + 8) + 1/(x^4 + 8)
Express your answer as a union of intervals.
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Guest
Feb 14, 2021
0
363
1
+31
Plz help!!! TY :D
There are 4 parts to this question but I already did part A, so ere are parts B,C, and D:
B-Alejandra's Tapas Bar offers a menu consisting of 9 savory and 5 sweet dishes. You can also get a mix-and-match plate consisting of two different
read more ..
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skc123
Feb 14, 2021
0
385
3
number theory
If I expand 25*24*23* ... *12*11*10, how many zeros are there at the end of the number I get?
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Guest
Feb 14, 2021
0
367
1
Help Asap
Mikey has ten marbles in a bag with the number 5 on 8 faces and the number 3 on 2 faces. What is the expected value of the number present when one marble is selected from the bag
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Guest
Feb 14, 2021
0
480
1
stuck on geometry
A Florida roof company must check that each roof truss it sells is made of two congruent triangles.
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Guest
Feb 14, 2021
0
525
1
pls help
Five friends live on the same street. Their houses are at points A, B, C, D, and E, with the distances shown.
read more ..
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Guest
Feb 14, 2021
0
492
1
Find the ratio in which the point P(11, y) divides the line segment
Find the ratio in which the point P(11, y) divides the line segment joining the points A(15,5) and B(9, 20). Also, find the value of y.
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Guest
Feb 14, 2021
0
307
1
Help asap!!!!! Tysm :)
There are 4 parts to this question but I already did part A, so ere are parts B,C, and D:
B-Alejandra's Tapas Bar offers a menu consisting of 9 savory and 5 sweet dishes. You can also get a mix-and-match plate consisting of two different
read more ..
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Guest
Feb 14, 2021
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