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237648 Questions
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170
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Counting
Need help help soon
Find the number of ways of placing 4 balls in 6 boxes if the balls are indistinguishable and the boxes are indistinguishable.
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Guest
Feb 9, 2023
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169
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Counting
Need help on this plz
Find the number of ways of choosing three points from the grid below, so that they form an isosceles right triangle.
Guest
Feb 9, 2023
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168
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Thermodynamic
Based on the first law of thermodynamics, explain the written thermochemical equation for chemical reaction given below.
4Al (s) + 302 (g) 2Al2O3 (s) AH = -3351 kJ
Guest
Feb 9, 2023
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190
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Imagine Math
A florist has 56 roses and 70 carnations to make table centerpieces. He wants to put an equal number of roses and carnations into each centerpiece.
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Guest
Feb 9, 2023
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185
2
In triangle PQR, M is the midpoint of PQ Let X be the point on QR such that PX bisects
In triangle PQR, M is the midpoint of PQ Let X be the point on QR such that PX bisects
The answer is supposed to be a whole number... this is due today please help asap.
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Guest
Feb 9, 2023
+1
183
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+349
Latex test
I haven't done latex in a while so $\int_0^{k} 2\sqrt[2]{x} dx \ for \ 2*\int_0^{k} \sqrt[2]{x}dx \ = \ 2[\frac{2(x^3/2)}{3} |^{k}_0] = \frac{32}{3}, \ 2*\frac{2(\sqrt[2]{k^3})}{3} \ = \ \frac{32}{3}. \ k \ = \ 4 \ for \ all \ real \ solutions.$
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hipie
Feb 9, 2023
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169
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Functions
The functions f and h are defined as follows:
f(x) = (x + 5)/(x - 7) and h(x) = (x + 5)(x - 7).
Explain why the functions f and h are not the same function.
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Guest
Feb 9, 2023
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178
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Counting
In a row of five squares, each square is to be colored either red, yellow, or blue, so that no two consecutive squares have the same color, and at lest three of the squares are red. How many ways are there to color the five squares?
Guest
Feb 9, 2023
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202
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Expected value
Three standard fair 6-sided dice are rolled. What is the expected number of 6's rolled? (For example, if two 6's and a 5 are rolled, then the answer is 2.)
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Guest
Feb 9, 2023
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240
1
A day at the Amusement Park
The admission fee at an amusement park is $7.50 for children and 12.00 for adults. On a certain day, 310 people entered the park, and the admission fees collected totaled $3,180.00. How many children and how many adults were admitted?
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Guest
Feb 9, 2023
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179
1
hapl
As shown in the diagram, one end of a -foot-long electric cable is fixed at point on the wall, and the other end of the cable (denoted by ) is a sensor. There is a pin attached to the cable at a point that is units
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Guest
Feb 9, 2023
Feb 8, 2023
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181
1
Counting
How many solutions are there to the equation
u + v + w + x + y + z = 18
where u, v, w, x, y, and z are nonnegative integers, and x is at most 10?
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Guest
Feb 8, 2023
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182
1
Counting
Find the number of solutions to
x_1 + x_2 + x_3 + x_4 + x_5 + x_6 + x_7 + x_8 + x_9 + x_10 <= 2
in nonnegagive integers.
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Guest
Feb 8, 2023
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206
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Probability
Need help soon on this
The Boomtown Bears are playing against the Tipton Toros in a baseball tournament. The winner of the tournament is the first team that wins three games. The Bears have a probability of of winning each game. Find
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Guest
Feb 8, 2023
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161
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precalc
I need help soon with trig
Find the 3 smallest positive x-intercepts of the graph of
y = cos 12x + cos 16x + cos 20x
and list them in increasing order.
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Guest
Feb 8, 2023
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170
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Counting
In how many ways can he numbers 1 through 5 be entered once each into the five boxes below so that all the given inequalities are true?
Guest
Feb 8, 2023
+2
222
5
+53
Just a new post!
Hey guys! Hope you are all ok!
I got one question. Why is everyone who posts questions here a guest? Like "ok" I get it , they have questions but I dont understand , that how do they post if they are guests? I couldn't write
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arturfetahu
Feb 8, 2023
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175
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Counting
My square patio is tiled with square tiles, all the same size. All the tiles are gray, except the tiles along the two diagonals, which are all yellow. (The corners are yellow, the center is yellow, and all the tiles along the diagonal in between
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Guest
Feb 8, 2023
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178
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Counting
Help how do you do this
There is a group of five children, where two of the children are twins. How many ways can I distribute 10 identical pieces of candy to the children, if the twins must get an equal amount of candy?
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Guest
Feb 8, 2023
0
170
0
Function
For a certain function f(n), the identity
(2n)/n - (2n)/(n + 1) = f(n) (2n)/n
for all nonnegative integers n. Find f(n).
Guest
Feb 8, 2023
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194
1
Probability
In the SuperLottery, three balls are drawn (at random, without replacement) from white balls numbered from 1 to 12, and one SuperBall is drawn (at random) from red balls numbered from 13 to 20. When you buy a ticket, you choose three numbers from 1 to 12,
read more ..
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Guest
Feb 8, 2023
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