All Questions ⁺⁰230619 Questions

0

353

1

helppp

x1(t)=3[u(t)−u(t−1,6)] x2(t)=5[u(t)−u(t−3,5)] Find z(t)=x1(t)∗x2(t).

Guest Feb 13, 2021

0

580

1

Find x, y, and z. (Leave answer in simplest radical form

Find x, y, and z. (Leave answer in simplest radical form

Guest Feb 13, 2021

0

470

1

number theory

How many zeros are at the end of (100!)(200!)(300!)(400!) when multiplied out?

Guest Feb 13, 2021

0

270

1

counting

In how many ways can I choose 4 different officers (President, Vice President, Treasurer, and Secretary) from a club of 8 people?

Guest Feb 13, 2021

0

220

0

solve system

Solve for x and y:

2x - 3y = -3.2 - 0.2x + 0.1y
x = 0.6x - y + 8.8 - 0.5*x read more ..

Guest Feb 13, 2021

0

251

1

counting

There are 97 students in South High School. South High School offers only Chinese and Spanish. There are 5 more students in Chinese than in Spanish, and every student takes at least one language. If 48 students take only Spanish, then how many take both read more ..

Guest Feb 13, 2021

+5

500

1

+98

My Problem Series No.1

Hi everybody! This is the first set of 5 problem sets of problems I will be giving out over a week.

P1 - Easy Combinatorics
Given $20$ apples and $5$ people, how many ways are there to distribute the apples among read more ..

CitrusCornflakes Feb 13, 2021

0

285

0

coordinates

The vertices of a triangle are the points of intersection of the line y = -x-5, the line x=2, and y = -1/5x+13/5. Find an equation of the circle passing through all three vertices.

Guest Feb 13, 2021

0

435

1

trig

In triangle BCD, angle C = 90 degrees, CD = 3, and BD = sqrt(14) . What is tan B?

Guest Feb 13, 2021

0

392

1

domain

There are three real numbers that are not in the domain of
f(x) = (x - 1)(x - 2)(x - 3)/(x(x - 1)(x - 2))
What is the sum of those three numbers?

Guest Feb 13, 2021

0

229

0

help plz

Find all integers n such that when the clock strikes n o'clock, the acute angle between the hour and minute hands is 90 degrees. Enter your answer as a comma-separated list.

Guest Feb 13, 2021

+1

292

1

Pls help

Find the number of real solutions to \[(x^{2006} + 1)(x^{2004} + x^{2002} + x^{2000} + \dots + x^2 + 1) = 2006x^{2005}.\]

Guest Feb 13, 2021

0

238

0

domain question

What is the smallest integer value of c such that the function f(x) = (x^2 + 1)/(x^2 + 1 + c) has a domain of all real numbers?

Guest Feb 13, 2021

0

271

1

polygon

The exterior angles of a k-sided polygon form an arithmetic sequence. The smallest and largest interior angles of the polygon are 136 degrees and 145 degrees. What is k?

Guest Feb 13, 2021

0

268

0

Math

From class we learned that in 2010 the federal debt (in millions) was $13,561,623 and the population of the U.S was 309 million. Express your answers rounded to the nearest cent.

(a) Compute the federal debt per capita in 2010. read more ..

Guest Feb 13, 2021

0

237

0

help counting!

It is a beautiful day at the beach and ten beach volleyball players have shown up at the volleyball courts. Each two-person volleyball team should consist of a setter and a spiker. Five of the players prefer to be a spiker, and five of the players prefer read more ..

Guest Feb 13, 2021

0

229

0

coordinates

(1,7), (13,-16) and (5,k) are the vertices of a triangle. What is the sum of all possible values of "k" for which the area of the triangle is minimum? (k can only be an integer)

Guest Feb 13, 2021

0

425

2

PLEASE HELP ASAP! THANKS!

A cube whose side length is 5 is shown below. Let P be on edge AB such that AP = 2, and let Q be on edge AE such that
AQ = 1.
The plane passing through points C, P, and Q intersects DH at R. read more ..

Guest Feb 13, 2021

-1

379

1

+216

math help asap

Can I have help with this problem please ASAP

Jmaster10 Feb 13, 2021

0

219

0

complex number

Let z be a complex number such that |z| = 1. Find the largest possible value of |z^2 + 1|.

Guest Feb 13, 2021

0

288

1

geometry

In the diagram below, angle AOB = 99 degrees, and angle AOC = 138 degrees. What is the measure of angle BOC?

Guest Feb 13, 2021

Feb 12, 2021

0

706

1

help pls

One day Max says to Liz, "Out of the 25 people taking either English or French, you and I are the only two taking both.'' Liz, being mathematically inclined, responds by pointing out that there are exactly twice as many people in the English class as there read more ..

Guest Feb 12, 2021

0

521

2

help!!!!!

A 12-slice pizza was made with only pepperoni and mushroom toppings, and every slice has at least one topping. Only five slices have pepperoni, and exactly eight slices have mushrooms. How many slices have both pepperoni and mushrooms?

Guest Feb 12, 2021

0

434

1

hexagon

Five angles of a hexagon measure 119°, 129°, 140°, 129°, and 95°. What is the measure of the sixth angle?

Guest Feb 12, 2021

0

271

2

PLEASE HELP AHHHHH

what is the sum of all three-digit odd integer palindromes?
PLEASE HELP

Guest Feb 12, 2021

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