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Post New Question
All Questions
^{+0}
196843 Questions
+1
19
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+341
Counting #3
There are 2 red balls, 3 yellow balls and 4 white balls. The balls of the same color are regarded as identical. These 9 balls are put in a row. how many different possible arragments are there?
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mworkhard222
Jun 10, 2021
+1
35
16
+341
Counting #2
is it 46?
catmg
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mworkhard222
Jun 10, 2021
+1
18
2
+341
Counting
i got 66, i'm not sure
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mworkhard222
Jun 10, 2021
0
17
1
Domain
Compute the domain of the real-valued function $f(x) = \sqrt{1 + \sqrt{2 - \sqrt{x}}}$.
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Guest
Jun 10, 2021
0
10
1
Sequences
There is a sequence of numbers such that every entry except for the first entry is the arithmetic mean of its two neighboring entries. The 27th entry is 94 and the 94th entry is 39. What's the first entry?
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Guest
Jun 10, 2021
0
18
2
+12
Another problem :>
In physics, Ohm's law says that current through a wire, $I$, is directly proportional to voltage, $V$, and inversely proportional to resistance, $R$:
\[I=\frac{V}{R}.\]
It's also true that resistance is directly proportional to the length
read more ..
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angelxbobaa
Jun 10, 2021
0
9
0
Coordinates
What is the value of k if point P(k, k sqrt(3)) is 4 units from the line 5x+8y=17?
Guest
Jun 10, 2021
0
22
1
+4
Help please! @CPhill
Help please!
@CPhill
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Lightneedshelp
Jun 10, 2021
0
13
0
1/4x + 8 = 14
Let assume Rohan age is X. If we his age and add 8 then we find this is equal to 14. Write this expression in equation?
Guest
Jun 10, 2021
0
18
3
Math …
John is 10 times the age of his sister. After eight years John will be 18 years old. How old is he right now.
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Guest
Jun 10, 2021
0
18
1
help with quadratic
An Ariline currently charges 200 dollars per ticket and sells 40,000 tickets a week. For every 10 dollars they increase the ticket price, they sell 400 fewer tickets a week. How many dollars should they charge to maximize their total
read more ..
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Guest
Jun 10, 2021
0
14
1
Equation
Farai is two times the age of his sister. After four years he will be fourteen years old. Express this problem in the form of an equation.
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Guest
Jun 10, 2021
0
14
1
Complex Numbers
Find all complex numbers z such that |z - 3| = |z + i| = |z - 1 - 2i|.
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Guest
Jun 10, 2021
0
14
2
Need help
For a certain value of $k$, the system \begin{align*} x + y + 3z &= 10, \\ -4x + 3y + 5z &= 7, \\ kx + z &= 3 \end{align*}has no solutions. What is this value of $k$?
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Guest
Jun 10, 2021
0
17
2
fraction
How do you put a fraction like 1/3 on the calculator
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Guest
Jun 10, 2021
0
14
1
Complex Numbers
What is the area of the region of the complex plane defined by |z - 3i| < 8?
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Guest
Jun 10, 2021
0
12
1
Help with triangles.
In triangle and Points P and Q are on such that P is between A and Q and . Show that .
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Guest
Jun 10, 2021
0
16
1
need help
The second side of a triangular deck is 6 feet longer than the shortest side, and the third side is 6 feet shorter than twice the length of the shortest side. If the perimeter of the deck is 48 feet, what are the lengths of the three sides?
read more ..
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Guest
Jun 10, 2021
0
18
1
+30
help pls
The equation describes the height (in feet) of a projectile launched from the ground at 60 feet per second upward. In how many seconds will the projectile first reach 56 feet in height? Express your answer as a decimal rounded to the nearest
read more ..
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Wsai12
Jun 10, 2021
0
13
1
+47
Mathrj
If the neighborhood holds 13 total games and all 50 athletes participate how many six player games and how many two player games are played. write and solve a system of equations
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apsiganocj
Jun 10, 2021
0
18
2
All the roots of the cubic polynomial are negative real numbers.
All the roots of the cubic polynomial
are negative real numbers. If
find the smallest value of
Prove
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Guest
Jun 10, 2021
0
18
2
Percentage
Class X has 50% more students than Class Y. Class X has 40% fewer students than Class Z. Given that there are 80 students in the 3 classes, how many students are there in Class X?
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Guest
Jun 10, 2021
0
26
1
math
A woman labels the squares of a very large chessboard 1 through 64. On each square k, the woman puts 2^k grains of rice. How many more grains of rice are placed on the 10th square than on the first 9 squares combined?
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Guest
Jun 10, 2021
0
17
2
+270
mathematics
Jack and his friends are having a party tonight. They decide to order large Pizzas from Dominos for snacks. Assume that Dominos charge 10$ for a large Pizza and a fixed cost of 8$ as dilevery charge. If Jack paid 18$ in total, how many large Pizzas did
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Tgfromthe4
Jun 10, 2021
0
17
1
help pls withpolar planes ???
pls help me with this im so confused !!
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Guest
Jun 10, 2021
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