All Questions ⁺⁰230455 Questions

0

3263

6

+36

some confusion?

1) During a party, a total of 78 handshakes occurred. If each person shook hands once with each of the other people, how many people were at the party?

2) How many distinguishable ways are there to write 9 as the sum of read more ..

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Echotastic Feb 18, 2018

0

1869

7

+816

ElectricPavlov, HELP!

A 5x5x5 cube is formed by assembling 125 unit cubes. Nine unit squares are painted on each of the six faces of the cube according to the pattern shown. How many of the 125 unit cubes have no paint on them?

https://latex.artofproblemsolving.com/e/f/a/efa0cc439f48f4a24f83d140f98f9e6d1f4a624c.png read more ..

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mathtoo Feb 18, 2018

+1

857

1

+956

Clarification/help?

A manufacturer of tennis balls determines that the profit from the sale of x cans of tennis balls per week measured in hundreds is given by the function P(x) = 180x - 2x2, where P is measured in dollars. Determine the rate of change in profit when read more ..

Julius Feb 18, 2018

+1

4579

7

+4609

new question

A Senate committee has 5 Democrats and 5 Republicans. In how many distinguishable ways can they sit around a circular table if all the members of each party all sit next to each other?

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tertre Feb 18, 2018

0

2543

2

+4609

helP!

A tribe of eight Native Americans sits in a circle around a campfire. If the chief must sit between his mother and his wife, how many different seating arrangements are possible? Two seating arrangements are considered the same if each individual has the read more ..

tertre Feb 18, 2018

0

2356

3

+4609

Help! Fast!

200 points are equally spaced on the circumference of a circle. How many squares can be formed with 4 of the 200 points as vertices?

ElectricPavlov ●●●

tertre Feb 18, 2018

0

581

1

Algebra Question

How many dollars in interest are earned in two years on a deposit of $10,000 invested at 4.5% and compounded annually? Express your answer to the nearest cent.

ElectricPavlov ●

Guest Feb 18, 2018

0

590

2

Graph the function.

Graph the function.
f(x)=3sin(x)
The first point must be on the midline and the second point must be a maximum or minimum value on the graph closest to the first point.
read more ..

Guest Feb 18, 2018

0

677

1

Help asap pls

Suppose f is a polynomial such that f(0) = 47, f(1) = 32, f(2) = -13, and f(3)=16. What is the sum of the coefficients of f?

(pls show work)

Guest Feb 18, 2018

Feb 17, 2018

0

495

1

Prime number

The number of prime numbers between 10,000 and 100,000 is itself a prime number! What is that number? Thanks for help.

Guest Feb 17, 2018

0

3065

9

+4609

math help!

In how many ways can 4 distinct beads be placed on a bracelet that has a knot in it? (Beads cannot slide past the knot. Two ways are considered the same if one is a reflection of the other, since we can flip the bracelet over.)

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tertre Feb 17, 2018

0

5029

8

+36

More questions.. Halp!

1) In how many ways can I arrange 3 different math books and 5 different history books on my bookshelf, if I require there to be a math book on both ends?

2) I have 10 distinguishable socks in my drawer: 4 white, 4 brown, read more ..

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Echotastic Feb 17, 2018

-18

19202

4

just a few questions

Let $f(x) = x^3 + 3x ^2 + 4x - 7$ and $g(x) = -7x^4 + 5x^3 +x^2 - 7$. What is the coefficient of $x^3$ in the sum $f(x) + g(x)$?

Let $f(x) = x^4-3x^2 + 2$ and $g(x) = 2x^4 - 6x^2 + 2x -1$. Let $a$ be a constant. What is the largest read more ..

Guest Feb 17, 2018

0

732

1

+36

Permutation help?

In SHORT BINGO, a card is filled by marking the middle square as WILD and placing 24 other numbers in the remaining 24 squares.
Specifically a card is made by placing 5 numbers from the set 1-10 in the first column, 5 numbers from 11-20 in read more ..

Echotastic Feb 17, 2018

0

899

0

+523

help, please?

For a research project, students are asked to study how often students at an online high school look at social media while doing schoolwork.

Sofie decides to develop a survey.
Give an example of a question she could ask on read more ..

adore.nuk Feb 17, 2018

0

4452

1

+523

Someone please help me!!

Employees were asked how many times per week they exercised. The frequency table shows the results of the survey.

Number of times exercised per week: 0 1 2 3 4 5 6 7 8
Frequency: 5 read more ..

adore.nuk Feb 17, 2018

+3

2009

3

+11912

PnC attacks!!!

1. Define a "good word" as a sequence of letters that consists only of the letters A, B, and C and in which A never immediately followed by B , B is never immediately followed by C , and C is never immediately followed byA. If the nuber of n-letter good read more ..

rosala Feb 17, 2018

+2

1443

1

+4609

This problem!

Let A equal the number of four digit odd numbers. Let B equal the number of four digit multiples of 5. Find .

ElectricPavlov ●

tertre Feb 17, 2018

0

720

1

PENCIL ERASER AND NOTEBOOKS

A pencil, eraser and notebook cost a total of $1.00. If a pencil costs more than 2 erasers, 8 erasers cost more than 3 notebooks, and 5 notebooks cost more than 6 pencils, find the cost of a pencil.

Guest Feb 17, 2018

0

1230

1

how many permutations can be formed from the letters of the word EDISON using all letters ?

how many permutations can be formed from the letters of the word EDISON using all letters ?

Guest Feb 17, 2018

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