All Questions ⁺⁰234927 Questions

0

428

2

help with percent

There were 30 cans of soda in the fridge. 60% were Coke and the rest were Pepsi. Noah drank a few cans of Coke and now 75% of the soda cans in the fridge are Pepsi. How many cans of Coke did Noah drink?

Guest Jun 28, 2021

Jun 27, 2021

0

462

2

Please Help

Two sequences $A=\{a_0, a_1, a_2,\ldots\}$ and $B=\{b_0,b_1,b_2,\ldots\}$ are defined as follows:
\[b_0=1, ~b_1=2, ~b_n=a_{n-2} +b_{n-1}\hspace{2mm}\text{for}\hspace{2mm} n\ge2\]
What is the remainder when $a_{50}+b_{50}$ read more ..

Guest Jun 27, 2021

0

383

2

help math

What is the value of n if 2^10 * 4^20 * 8^40 = 2^n?

Guest Jun 27, 2021

0

364

2

help math

January 1st of a year is a Monday. What day of week is the 21st of the same month?

Guest Jun 27, 2021

0

377

2

geometry

The measure of angles of quadrilateral ABCD form the arithmetic sequence ∠A, ∠B, ∠C, ∠D. If the measure of angle B is 72 degrees what is the degree measure of angle D?

Guest Jun 27, 2021

+1

614

2

Let P(x) be a nonconstant polyn

Let P(x) be a nonconstant polynomial, where all the coefficients are nonnegative integers. Prove that there exist infinitely many positive integers n such that P(n) is composite.
Hint(s):
Remember that if a and b are read more ..

Guest Jun 27, 2021

0

390

1

help algebra

Suppose f and g are polynomials, and that h(x)=f(g(x))+g(x). Find the degree of g(x) given that the degree of h(x) is 8 and the degree of f(x) is 4.

Guest Jun 27, 2021

0

365

1

plz help

The positive difference between the cubes of two positive consecutive integers is equal to 1801. Find these integers. Begin your solution by denoting them k and k + 1

Guest Jun 27, 2021

0

386

2

Help with probability

A palindrome is a number that reads the same forward as backward. If a three-digit palindrome is randomly chosen, what is the probability that it is a multiple of 2?

Guest Jun 27, 2021

0

380

1

Probability

You take the four Aces, four 2's, and four 3's from a standard deck of 52 cards, forming a set of 12 cards. You then draw three cards at random. What is the probability that you get an Ace, a 2, and a 3?

Guest Jun 27, 2021

0

377

1

Help math

If m and n are odd integers, how many terms in the expansion of (m +n)^7 are odd?

Guest Jun 27, 2021

0

333

1

Algebra

Let a and b be the solutions to 5x^2 - 11x + 4 = 0. Find 1/(a + 1) + 1/(b + 1).

Guest Jun 27, 2021

0

459

1

Calculus Help!

I have a pool with a rectangular base. The pool's width is two times the depth and its length is three times the depth. I roughly estimate the depth to be 2 m. If my estimate has an error of 5 cm, approximately what is the maximum volume of water (in cubic read more ..

Guest Jun 27, 2021

0

383

2

Counting question

How many ways are there to put 4 distinguishable balls into 3 indistinguishable boxes?

Guest Jun 27, 2021

0

357

1

Help on this question

Let line L_1 be the graph of 5x + 8y = -9. Line L_2 is perpendicular to line L_1 and passes through the point (10,-10). If line L_2 is the graph of the equation y=mx +b, then find m+b.

Guest Jun 27, 2021

0

339

1

I need help here

A line passes through the points (-3,-5) and (-6,1). The equation of this line can be expressed in the form Ax + By = C, where A, B, and C are integers with greatest common divisor 1, and A is positive. Find A + B+ C.

Guest Jun 27, 2021

0

402

1

I need to answer this question for my practice.

Find y if the point (-6,y) is on the line that passes through (-1,7) and (3,-2) .

Guest Jun 27, 2021

0

230

0

Polynomial

Let p(x) be a monic, quartic polynomial such that p(1) = 3, p(3) = 11, and p(5) = 29. Find p(-2) + 7p(6).

Guest Jun 27, 2021

0

269

1

Trig problem

Let a, b, and t be real numbers such that
cos a + sin b = 3t+2
sin a + cos b = 4t + 6
Compute tan a + tan b. read more ..

Guest Jun 27, 2021

0

407

1

Find the value of B - A

Find the value of B - A if the graph of Ax + By = 3 passes through the point (-7,2), and is parallel to the graph of x + 3y = -5.

Guest Jun 27, 2021

0

385

2

+6

help please!!!!

Let P(x) be a nonconstant polynomial, where all the coefficients are nonnegative integers. Prove that there exist infinitely many positive integers n such that P(n) is composite.
Hint(s):
Remember that if a and b are read more ..

halpp Jun 27, 2021

0

371

2

how to simplify

Calculate sqrt(60x)*sqrt(12x)*sqrt(63x)*sqrt(42x). Express your answer in simplest radical form in terms of x. Note: When entering a square root with more than one character, you must use parentheses or brackets. For example, you should enter sqrt(14) as read more ..

Guest Jun 27, 2021

0

371

1

help plz

Find all pairs (x,y) of real numbers such that x + y = 10 and x^2 + y^2 = 56 + 3xy. For example, to enter the solutions (2,4) and (-3,9), you would enter "(2,4),(-3,9)" (without the quotation marks).

Guest Jun 27, 2021

0

658

1

+876

2006 AIME I #3

Find the least positive integer such that when its leftmost digit is deleted, the resulting integer is 1/29 of the original integer.

MathProblemSolver101 Jun 27, 2021

0

366

1

Polynomials

Consider the polynomial f(x) = 1 - 12x + 3x^2 - 4x^3 + 5x^4 and g(x) = 3 - 2x - 6x^3 + 19x^4. Find c such that the polynomial f(x) + cg(x) has degree 3.

Guest Jun 27, 2021

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