All Questions ⁺⁰238233 Questions

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209

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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. read more ..

Guest Feb 9, 2023

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205

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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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207

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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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224

1

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.

Guest Feb 9, 2023

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214

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.

Guest Feb 9, 2023

+1

210

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+349

Latex test

I haven't done latex in a while so $\int_0^{k} 2\sqrt[2]{x} dx \ for \ 2*\int_0^{k} \sqrt[2]{x}dx \ = \ 2[\frac{2(x^3/2)}{3} |^{k}_0] = \frac{32}{3}, \ 2*\frac{2(\sqrt[2]{k^3})}{3} \ = \ \frac{32}{3}. \ k \ = \ 4 \ for \ all \ real \ solutions.$ read more ..

hipie Feb 9, 2023

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204

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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. read more ..

Guest Feb 9, 2023

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213

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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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244

2

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.)

Guest Feb 9, 2023

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281

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?

Guest Feb 9, 2023

0

218

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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 read more ..

Guest Feb 9, 2023

Feb 8, 2023

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220

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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?

Guest Feb 8, 2023

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216

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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.

Guest Feb 8, 2023

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249

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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 read more ..

Guest Feb 8, 2023

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200

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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. read more ..

Guest Feb 8, 2023

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206

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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

242

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 read more ..

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arturfetahu Feb 8, 2023

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210

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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 read more ..

Guest Feb 8, 2023

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212

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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? read more ..

Guest Feb 8, 2023

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207

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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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231

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 ..

Guest Feb 8, 2023

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