All Questions ⁺⁰231266 Questions

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98

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Algebra

Need help on this

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

Guest Jan 24, 2023

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93

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Probability

Need lot of help on this one

My sock drawer contains two red socks, two white socks, and two blue socks. For three days in a row, I pull out two socks out of my sock drawer at random. What is the probability that I get read more ..

Guest Jan 24, 2023

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118

4

plz help

In triangle $XYZ$, the bisector of $\angle YXZ$ meets $\overline{YZ}$ at $W.$ If $\angle YXZ = 60^\circ,$ $\angle Y = 45^\circ,$ and $XW = 24,$ then find the area of triangle $XYZ$.
let me know if u need a pic bc it wont let me upload one

Guest Jan 24, 2023

0

97

1

Algebra

Help this hard

Arrange the following numbers in increasing order (smallest first, biggest last):
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Guest Jan 24, 2023

0

94

1

Counting

Help plz help help

A bag contains five white balls and three black balls. Your goal is to draw two white balls.
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Guest Jan 24, 2023

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85

0

Probability

Help with this

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, read more ..

Guest Jan 24, 2023

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87

0

Algebra

Help please with this problem

A magician makes potions by combining maple syrup from a magical maple tree with ordinary water. The magician starts with a large supply of two potions: a red potion, which is 50% magical syrup by volume read more ..

Guest Jan 24, 2023

0

80

0

system of inequalities

3x+y< or = to 1. and x-y< or = 3

Guest Jan 24, 2023

0

104

1

Distributions

Help me with this

Find the number of ways of placing 4 balls in 5 boxes if the balls are indistinguishable and the boxes are distinguishable.

Guest Jan 24, 2023

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101

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Triangle

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Find the circumradius of triangle ABC. Find the inradius of triangle ABC.
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Guest Jan 24, 2023

0

105

1

Given that $(3,4)$ is a point on the graph of $y = f(x)$, what point must be on the graph of \[y = -4f(-2x) + 3?\]

Guest Jan 24, 2023

+19

147

2

+1306

URGENT

John draws a regular five pointed star in the sand, and at each of the 5 outward-pointing points and 5 inward-pointing points he places one of ten different sea shells. How many ways can he place the shells, if reflections and rotations of an arrangement read more ..

dolphinia Jan 24, 2023

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114

1

Rhombus has perimeter , and one of its diagonals has length . How long is the other diagonal?

Rhombus has perimeter , and one of its diagonals has length . How long is the other diagonal?

Guest Jan 24, 2023

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82

0

Binomials

Plz help I'm so conufsed

For nonnnegative integers a and b, where a >= 2 and b >= 2, simplify
binom{a + b}{2} + binom{2a + b}{2} + binom{a + 2b}{2} - binom{a - b}{2}

Guest Jan 24, 2023

0

104

1

Probability

Help me find probability

Right triangle XYZ has legs of length XY = 12 and YZ = 6. Point D is chosen at random within the triangle XYZ. What is the probability that the area of triangle XYD is at most 20?

Guest Jan 24, 2023

0

121

1

Probability

Plz help needed

In Ms. Q's deck of cards, every card is one of four colors (red, green, blue, and yellow), and is labeled with one of seven numbers (1, 2, 3, 4, 5, 6, and 7). Among all the cards of each color, there is exactly read more ..

Guest Jan 24, 2023

Jan 23, 2023

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100

1

Distributions

Help needed on these fast

(a) In how many ways can you distribute 4 distinguishable balls among 6 indistinguishable boxes?
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Guest Jan 23, 2023

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81

0

Probability

Plz help mee

Triangle XYZ is equilateral, with O as its center. A point P is chosen at random. Find the probability that P is closer to point O than to any of the side lengths.

Guest Jan 23, 2023

+1

85

0

Counting

I need answer

In the array below, in how many different ways can we start with the letter A and move from letter to letter (horizontally, vertically, or diagonally), to spell the word "ARCH"?

Guest Jan 23, 2023

0

113

1

+96

. Find positive integers m and n such that mn + 3n + m = 46.

. Find positive integers m and n such that mn + 3n + m = 46.

coolkidslovemath1982 Jan 23, 2023

0

120

1

+96

Algebra confusion

Four small rectangles are combined to make a large rectangle. Three areas are given. Determine the missing area, then write two different expressions for the total area
3n

read more ..

coolkidslovemath1982 Jan 23, 2023

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94

0

help me

Each location of a chain restaurant employs 6 more waiters than cooks. Let c represent the number of cooks at a location and w represent the number of waiters at the same location. Find the value of w when c=5. w=

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Guest Jan 23, 2023

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89

0

Geometry

Plz help please

In triangle PQR, M is the midpoint of PQ. Let X be the point on QR such that PX bisects angle QPR, and let the perpendicular bisector of PQ intersect AX at Y. If PQ = 36, PR = 22, QR read more ..

Guest Jan 23, 2023

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82

0

Distributions

Help I need answer

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 read more ..

Guest Jan 23, 2023

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81

0

Algebra

Help what do I do here

Let S be the set of all real numbers of the form
a1/3 + a2/3^2 + a3/3^3 + ....
where a_i \in {0, 1, 2} for all i. read more ..

Guest Jan 23, 2023

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