All Questions ⁺⁰238219 Questions

0

79

4

+16

pls someone anyone help...

Alice and Bob each have a certain amount of money. If Alice receives $n$ dollars from Bob, then she will have $7$ times as much money as Bob. If, on the other hand, she gives $n$ dollars to Bob, then she will have $3$ times as much money as Bob. If neither read more ..

permanentjoke Aug 12, 2023

0

61

3

+52

help

How many integers between 1 and 2009 inclusive can be expressed as a sum of five consecutive positive multiples of 7?

newsss Aug 12, 2023

0

97

9

+59

functions help

If f(x+3) = x^2 + 4x - 7, find f(2).
thx in advance

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dumplings Aug 12, 2023

0

161

4

+12

ALGEBRA NEED ANSWER QUICK

The sequence is a strictly increasing arithmetic sequence of positive integers such that x What is the minimum possible value of ?

saucybaka Aug 12, 2023

Aug 11, 2023

0

151

3

16/3-9/2

Guest Aug 11, 2023

0

125

1

+59

base number theory help

1.
find X and Y in terms of base 6
2. For how many positive integers b does the base-b representation of end in the digit 5?

dumplings Aug 11, 2023

0

171

1

+12

Polynomials NEED ANSWERS QUICK!!!!!

Determine the ratio of the surface area of a rectangular prism to its volume if its
length, width and height are the zeros of the polynomial

saucybaka Aug 11, 2023

0

168

0

hard number theory

Let $f(n)$ denote the sum of all the positive divisors of the integer $n$. How many integers $i$ exist such that $1 \le i \le 2010$ and $f(i) = 1 + \sqrt{i}$?

Guest Aug 11, 2023

0

165

1

counting problem

How many rectangles are there whose four vertices are points on this grid?
read more ..

Guest Aug 11, 2023

0

163

0

U(1)=1/N U(n)=n/N*(1-(u1+u2+u3.....+u(n-1)) express U(n) by only n (don't use u(1),u(2).... or find the peak element of u(n)

U(1)=1/N U(n)=n/N*(1-(u1+u2+u3.....+u(n-1)) express U(n) by only n (don't use u(1),u(2)....
or find the peak element of u(n)

Guest Aug 11, 2023

0

172

2

help

Raj is taking a true-false quiz with six questions. The first five questions are each worth 1 point, and the last question is worth 2 points. For any given question, the probability that Raj will answer it correctly is 2/3 and the probability that he'll read more ..

Guest Aug 11, 2023

0

170

2

Domain

Find the domain of $\frac{x^2 + 10x + 21}{x^2 + 4x + 21}$. (Express your answer using interval notation.)

Guest Aug 11, 2023

0

84

6

+52

help

What is the sum of all of the odd divisors of 6300?

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newsss Aug 11, 2023

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143

1

probability

A bag contains red and blue marbles (and no marbles of any other color). The bag has twice as many blue marbles as red marbles.
Oliver draws two marbles from the bag without replacement. If the probability that Oliver draws two marbles of the same read more ..

Guest Aug 11, 2023

0

160

1

question

In how many ways can three pairs of siblings from different families be seated in two rows of three chairs, if siblings may not sit next to each other in the same row, and no child may sit directly in front of their sibling?

Guest Aug 11, 2023

0

155

1

geometric series

The infinite geometric series x^2 - 2x^4 + 4x^6 - ... is equal to 1. Find the sum of all possible real values of x.

Guest Aug 11, 2023

0

69

17

+1124

BODMAS

Hi friends,
long time no speak....trust all is well with you...How would the following be done?
The answer could be 1 or 16...thanks for your time...

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juriemagic Aug 11, 2023

0

152

1

geometric series

The infinite geometric series
x + \frac{1}{2} x^2 + \frac{1}{4} x^3 + \frac{1}{8} x^4 + ...
is equal to 12. Find the sum of all possible real values of x.

Guest Aug 11, 2023

0

152

5

+11

Six children are each offered a single scoop of any of $3$ flavors of ice cream from the Combinatorial Creamery. In how many ways can each c

all f the answers on the website are wtong melody please hel[p

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Cat57203 Aug 11, 2023

0

154

1

quadratic functions

Let $f(x) = x^2 + bx + 12 - 3x + 10$ for all real numbers $x$. Find the greatest integer value of $b$ such that $-4$ is not in the range of $f(x)$.

Guest Aug 11, 2023

0

136

1

quadratic functions

Let $f(x) = x^2 + bx + 2 - 3x + 8$ for all real numbers $x$. For what real values of $b$ is $-2$ not in the range of the function $f(x)$? Express your answer in interval notation.

Guest Aug 11, 2023

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