All Questions ⁺⁰237665 Questions

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322

1

what does this equal

Guest Jun 1, 2021

0

402

1

what does this equal

Guest Jun 1, 2021

0

442

1

math problem

When the positive integers are arranged in order, filling in the successive diagonals of an infinite grid from top to bottom, as shown, the integer 41 is in the (5,5) spot. What integer would we see in the (10,20) spot if the rest of the grid were visible? read more ..

Guest Jun 1, 2021

-1

751

1

+81

Im stuck again :/

License plates in the newly established state of Atlantis consist of three letters followed by three digits. The first letter must be a vowel (y is not considered a vowel), and no letter can be repeated. The first digit must be one of {1,2,4,6}, which corresponds read more ..

IMAGODLYNOOB Jun 1, 2021

0

776

1

+81

Guys.I.need.help.now

Jason is trying to remember the five digit combination to his safe. He knows that he only used digits 1 through 5 (possibly repeated), that every even digit was followed by an odd digit, and every odd digit was followed by an even digit. How many possible read more ..

IMAGODLYNOOB Jun 1, 2021

0

463

3

Geometry

Two circles of radius 4 are externally tangent to each other and are internally tangent to a circle of radius 10 at points A and B. Find the distance AB.

read more ..

Guest Jun 1, 2021

0

509

1

+81

I CANT DO THIS PLSSS COUNTING WITH RESTRICTIONS!!!!!

Jason is trying to remember the five digit combination to his safe. He knows that he only used digits 1 through 5 (possibly repeated), that every even digit was followed by an odd digit, and every odd digit was followed by an even digit. How many possible read more ..

IMAGODLYNOOB Jun 1, 2021

0

759

3

+81

Pls

What is the minimum number of times you must throw three fair six-sided dice to ensure that the same sum is rolled twice?

IMAGODLYNOOB Jun 1, 2021

0

439

1

counting question

A library has six identical copies of a certain book. At any given time, some of these copies are at the library and some are checked out. How many different ways are there for some of the books to be in the library and the rest to be checked out if at read more ..

Guest Jun 1, 2021

0

355

1

Functions

Let
f(x) = k(x) if x > 2
f(x) = 2 + (x - 2) + (x - 2)^2 if x <= 2.
Find the function k(x) such that f is its own inverse. read more ..

Guest Jun 1, 2021

0

447

1

Fractions

Mike is selling 60 toys. He sold 2/3 of the toys on Wednesday and 1/2 of the remainder on Saturday. How many toys did Mike have sell?

Guest Jun 1, 2021

0

446

2

Algebra Help Needed!

Find the equation of a geometric sequence given the following 2 terms.

read more ..

ElectricPavlov ●●

Guest Jun 1, 2021

0

452

1

Log

A car depreciates at a rate of 13% each year for the first 5 years after it is driven off of the lot. A recent high school graduate is looking to buy a car that is worth $23150.

Using logarithms, algebraically determine read more ..

Guest Jun 1, 2021

0

984

2

Please Help!

Find the geometric mean between the given two numbers.

3 and 108
read more ..

Guest Jun 1, 2021

0

431

1

Algebra

Find the largest value of r such that 6r^2 + 7r + 8 = 6 + 3r + 9r^2.

Guest Jun 1, 2021

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407

1

Number Theory

What is the remainder when 10! is divided by 27? (Reminder: If n is a positive integer, then n! stands for the product 1*2*3 ... *n)

Guest Jun 1, 2021

May 31, 2021

0

424

1

Help with algebra

I choose a random integer n between 1 and 10 inclusive. What is the probability that for the n I chose, there exist no real solutions to the equation (x + 4)(x + 5) = n? Express your answer as a common fraction.

Guest May 31, 2021

0

419

1

coordinates

The points (-3,2) and (-2,-2) lie on a circle whose center is on the x-axis. What is the radius of the circle?

Guest May 31, 2021

+1

665

5

+56

Pre-Calc Trigonometric Identities/Equations Proof

I'm absolutely cluless on what to do and where to start this proof.

Recall that a function is periodic of period T if f(x+T) = f(x) for all x in the domain of f. The smallest positive value of T is called the fundamental read more ..

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stressedmathkid123 May 31, 2021

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453

2

Please help D: Im stuck on this...

What is the smallest distance between the origin and a point on the graph of
I got sqrt(5/2), but it was wrong...

Guest May 31, 2021

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481

2

graphing question

If the point (3,6) is on the graph of y = g(x), and h(x) = 1/g(x) for all x, then there is one point that must be on the graph of y = h(x).What is the sum of the coordinates of that point?

ilovepizza547 ●●

Guest May 31, 2021

0

480

8

Factorial equation

Find the value of n that satisfies n-(n+1)!+6n!=n!+4, where n!=n*(n-1)*(n-2)***2*1 .

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Guest May 31, 2021

0

434

3

Counting question

How many subsets of the set {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} contain the number 5 and have 3 elements?

Guest May 31, 2021

+2

532

4

Algebra

The roots of x^2 + 5x + 3 = 0 are p and q. Find 1/p + 1/q.

CPhill ●●●●

Guest May 31, 2021

0

492

2

To WillBillDillPickle

https://web2.0calc.com/questions/math_76279

why did you put that emoji

Guest May 31, 2021

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