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147

help with algebra

Pearl writes down seven consecutive integers, and adds them up. The sum of the integers is equal to 21 times the largest of the seven integers. What is the smallest integer that Pearl wrote down?

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Guest May 4, 2023

128

+214

Very hard algebra - please help!

Find all real numbers such that is true for exactly one real number . Note that there can be complex solutions as well. What are all possible values of ?

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gb1falcon May 4, 2023

counting problem

Find the number of six-digit numbers, where the sum of the digits is divisible by 10.

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Guest May 4, 2023

158

Equations

1. Find all real numbers a that satisfy \frac{1}{64a^3 + 7} - 7 = 0.
2. Find all values of a that satsify the equation \frac{a}{3} + 1 = \frac{a + 3}{a} + 1.

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Guest May 4, 2023

155

pi form

A ring-shaped region is shown below.
Its inner radius is
12cm
, and its outer radius is
15cm read more ..

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Guest May 4, 2023

167

Solve

Solve 3a + 4b = 5a - 6b + 24 - 3a for a in terms of b.

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Guest May 4, 2023

126

state of new jersey divorce records

The state of new jersey divorce records groups resources that are considered for division during a separation under 3 classes.
Separate properties
Conjugal properties
Half breed properties read more ..

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Guest May 4, 2023

135

Fractions

An aquarium tank is 1/6 full of water. When 2 gallons of water are added, the tank becomes 1/2 full. What is the total capacity of the aquarium tank, in gallons?

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Guest May 4, 2023

-1

+1124

Turning point vs symmetry

Hi friends,
Could someone please explaiin to me whay it is that with a squared function, we have the turning point exactly the same as the axis of symmetry,
however with a cube function, not. Is this because of the inflection read more ..

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juriemagic May 4, 2023

130

what will be the nature of physical quantity if a 75 kg man is running at 25 m/s^2

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Guest May 4, 2023

161

Altitudes

In triangle ABC, AB = 15, BC = 20, and AC = 20. Find the length of the shortest altitude in this triangle.

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Guest May 4, 2023

145

+35

Help

For a positive integer $n,$ the rational number $r$ satisfies
\[\binom{2n}{n} - \binom{2n}{n + 1} = r \cdot \binom{2n}{n}.\]
Express $r$ in terms of $n.$ (Your expression should be as simplified as possible.)

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OOooooooOOOOOoOO May 4, 2023

165

Solve

Solve for the variable x in terms of y and z, assuming y \neq \frac{1}{2}:
xy + x = \frac{3x + 2y + z + y + 2z}{3}

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Guest May 4, 2023

159

help with algebra

If I give my brother 5 dollars, then we will have the same amount of money. If instead he gives me 25 dollars, then I'll have twice as much money as he will have. How much money does my brother currently have (in dollars)?

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Guest May 4, 2023

May 3, 2023

142

Equation

Solve for x: (3x + 12)(x + 4) = (4x^2 + 8x + 18x^2)(2x).

Guest May 3, 2023

159

permutations

How many 5-digit permutations can be formed from the set S={1,2,3,4,5,6,7,8,9} provided the three digits {1, 5, 8} are together in every permutations in any of 3! ways? Thank you.

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Guest May 3, 2023

103

+90

HELP PLEASE!!

A standard deck of playing cards has four suits in two colors: diamonds and hearts are red; clubs and spades are black. Each suit has 13 cards: an ace, the numbers two through ten, a jack, a queen, and a king.
If you drew a card from read more ..

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totalkoolnezz May 3, 2023

139

+25

log problems

Let and .
What is the value of
The solution of the equation can be expressed in the form
What is ?
Solve for given that read more ..

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chippers44 May 3, 2023

141

+90

Simple yet unsolvable question

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totalkoolnezz May 3, 2023

137

+28

The graph of a sine function g(x) is presented below.

The graph of a sine function g(x) is presented below.
Part A: Explain how to determine the value of the vertical translation, d, for the graph of g(x).
Part B: Explain how to determine the value of the vertical translation, d, for the graph read more ..

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lexxlilly May 3, 2023

139

+28

Consider two parallel line segments.

Consider two parallel line segments.
Part A: Find the slope of segment CD with endpoints C(−5, 4) and D(2, 1). Show your work.
Part B: What is the value of y so that segment AB with endpoints A(−6, y) and read more ..

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lexxlilly May 3, 2023

146

Plz help

Two points on a circle of radius 1 are chosen at random. Find the probability that the distance between the two points is at most 1.5.

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Guest May 3, 2023

166

Triangles

1. Find the area of triangle ABC if AB = 6, BC = 8, and angle ABC = 90 degrees.
2. If angle ABC = 135 degrees, and angle ACB = 30 degrees, what is angle BAC?

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Guest May 3, 2023

141

+10

Theory trick questions

Imagine that as of this exact moment, we are going to declare a new law. All points in space are from this moment on going to be owned by whatever human is closest to that point as of this moment. For instance, assuming that you are filling out this application read more ..

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mathnerds125 May 3, 2023

132

+10

Shopping probability trick question

I’m a big time shopper. There’s a 30% chance I will go shopping on Saturday, and a 40% chance I will go shopping on Sunday. (We don’t have any information about how correlated these probabilities are, i.e. whether me shopping on one day affects how likely read more ..

mathnerds125 May 3, 2023

All Questions ⁺⁰237683 Questions

help with algebra

Very hard algebra - please help!

counting problem

Equations

pi form

Solve

state of new jersey divorce records

Fractions

Turning point vs symmetry

what will be the nature of physical quantity if a 75 kg man is running at 25 m/s^2

Altitudes

Help

Solve

help with algebra

Equation

permutations

HELP PLEASE!!

log problems

Simple yet unsolvable question

The graph of a sine function g(x) is presented below.

Consider two parallel line segments.

Plz help

Triangles

Theory trick questions

Shopping probability trick question

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