All Questions ⁺⁰230689 Questions

0

110

2

Counting problem

Help does anybody know

Sam wants to color the three sides of an equilateral triangle. He has two different colors to choose from. In how many different ways can Sam color the sides of the triangle? (Two colorings read more ..

Guest Feb 1, 2023

0

128

2

+266

Mind puzzle for yall

The graph of the line y = 3x+a intersects the graph of the parabola y = x^2+x in two points. If the distance between these points is 3, what is the value of a? Express your answer as a common fraction.
Please include the solution read more ..

Imcool Feb 1, 2023

Jan 31, 2023

0

87

0

Expected value

Plz help I'm not sure about this

Suppose we have a bag with 10 slips of paper in it. Eight slips have a 3 on them and the other two have a 5 on them.
read more ..

Guest Jan 31, 2023

0

84

0

Counting

Help I need to use combinations

I run a book club with n people, not including myself. Every day, for 100 days, I invite members in the club to review a book. What is the smallest positive integer n so that I can avoid ever having the read more ..

Guest Jan 31, 2023

0

95

1

Counting

In the olympic women's skating competition, the gold medal goes to first place, silver to second, and bronze to third. If there are skaters, including Americans, in how many ways can the medals be awarded to three of the skaters if exactly one of read more ..

Guest Jan 31, 2023

0

86

0

Geometry

Need help with this plz

In the diagram below, PQRS is a parallelogram with a perimeter of 26 and an area of 28. What is the perimeter of rectangle OSTQ? Include an explanation of how you solved the problem.
<read more ..

Guest Jan 31, 2023

0

81

0

Probability

Need help on probability question

Let PQR be an equilateral triangle, centered at O. A point X is chosen at random inside the triangle. Find the probability that X is closer to O than to any of the sides. read more ..

Guest Jan 31, 2023

0

91

1

Counting

I need help here

A fair coin is tossed 12 times. How many different sequences of tosses could there have been, if the number of tosses was at least

Guest Jan 31, 2023

0

97

1

Counting

I need help with counting

Syd chooses two different primes, both of which are greater than 10 and multiplies them. The resulting product is less than How many different products could Syd have ended up with? read more ..

Guest Jan 31, 2023

0

106

1

Coefficient

Plz help with find coefficient

Find the coefficient of u^2 v^9 in the expansion of (2u - 3v + u^2 - v^2)^9.

Guest Jan 31, 2023

0

89

0

System

Need help with hard system

Find the ordered quintuplet (a,b,c,d,e) that satisfies the system of equations
a + 2b + 3c + 4d + 5e = 41 read more ..

Guest Jan 31, 2023

0

102

1

Equation

How do you solve this equation

Find all values of c such that 3*(2c + 1) = 28*(3*c) - 9. If you find more than one value of c, then list your values in increasing order, separated by commas.

Guest Jan 31, 2023

0

82

1

Algebra

Help hard algebra

Let x be a real number such that 625*x = 64. Then 125*x = ___ sqrt(____)

Guest Jan 31, 2023

0

86

0

Domain and Range

Find domain and range.

Find the domain and range of the function f(x) = 2(2 - 3x).

Guest Jan 31, 2023

0

100

1

Algebra

I have no idea here

For some real number a and some positive integer n, the first few terms in the expansion of (1 + ax)^n are
1 + 10x + 150 x^2 + cx^3 + ... read more ..

Guest Jan 31, 2023

0

95

1

Probability

I need help plz

The following cards are dealt to three people at random, so that everyone gets the same number of cards. What is the probability that everyone gets a red card?

Guest Jan 31, 2023

0

77

0

Probability

Help how do you do this

A member of the junior varsity swim team will be elected as President. Each member is equally likely to be elected. The probability that a sophomore is elected is the probability that a freshman read more ..

Guest Jan 31, 2023

0

89

1

Geometry

Need help with triangle problem

In the diagram below, D is a point on segment CE such that segments AD and BE are parellel and point A is not on segment BC. Line segments AD and BC intersect at point P.
read more ..

Guest Jan 31, 2023

0

110

1

Algebra

I need help with this system

Let a and b be real numbers such that a + b = 4 and a^4 + b^4 = 16.
(a) Find all possible values of ab
(b) Find all possible values of a + b
(c) Find all possible values of a and b read more ..

Guest Jan 31, 2023

0

78

0

Algebra

Need help with algebra

We are looking to factor 23x^2 + kx - 5 + x^2 - 3. Some values of k allow us to factor it as a product of linear binomials with integer coefficients. what are all such values of k?

Guest Jan 31, 2023

0

82

0

youtube.com

youtube.com/activate

Guest Jan 31, 2023

0

87

0

Algebra

Need help on this is hard

Let S be the set of all real numbers of the form
a1/3 + a2/3^2 + a3/3^3 + ....
where a_i is equal to either 1 or 0 or 2 for each i read more ..

Guest Jan 31, 2023

0

70

0

Counting

Help plz quick

Find the number of paths from A to I, if each step must be in a right-ward direction. (For example, one possible path is A C D E F G H I)

Guest Jan 31, 2023

0

76

0

Geometry

Let ABC be a right triangle, and let H be the point on side AB so that CH is perpendicular to AB. Prove that (x + h)^2*(y + h)^2 = (a + b)^4.

read more ..

Guest Jan 31, 2023

0

96

1

Geometry

Plz help I dont get it

In triangle ABC, the angle bisector of angle BAC meets AC at D. If angle BAC = 60, angle ABC = 60, and AD = 24, then find the area of triangle ABC.

Guest Jan 31, 2023

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