All Questions +0 236378 Questions

Find the area of triangle ACE.

Guest May 1, 2022

276

geometry

Given x = 17, find y, in degrees.

Guest May 1, 2022

314

geometry

Guest May 1, 2022

283

1+1

1+1+1-1+1-1+1-1+1-1

If Y is distributed 2, then Pr(Y ≤ 21.60) is ? The answer is .75 but not sure how to get there.
18

(edit: Should read more ..

Guest May 1, 2022

332

+168

Chi-square dist.

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?

HoldMyBeer May 1, 2022

282

Domain

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

Guest May 1, 2022

277

trig

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 May 1, 2022

294

Counting

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?

Guest May 1, 2022

182

Graphing question

Guest May 1, 2022

312

Math problem

Camy made a list of every possible distinct five-digit positive integer that can be formed using each of the digits 1, 3, 4, 5 and 8 exactly once in each integer. What is the sum of the integers on Camy's list?

Let V = (0,3,2) and A = (-1,0,1). Let P be the point on the line passing through A with direction vector (1,1,1) that is closest to V. Find P.

Guest May 1, 2022

309

Let V = (0,3,2) and A = (-1,0,1). Let P be the point on the line passing through A with direction vector (1,1,1) that is closest to

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

Guest May 1, 2022

300

Counting

What is the largest angle measure in a triangle with sides of lengths 3, 5, and 4?

Guest May 1, 2022

236

Geometry

Evaluate the sum 1/3 + 2/3^2 + 1/3^3 + 2/3^4 + ...

Guest May 1, 2022

281

Sum

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

Guest May 1, 2022

289

Number Theory

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Guest May 1, 2022

283

Help please

I need help with this question. Can someone explain with a step by step visual?

Let G be the center of equilateral triangle XYZ. A dilation centered at G with scale factor -3/4 is applied to triangle XYZ, to obtain triangle X'Y'Z' read more ..

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Guest May 1, 2022

295

SupperLottery 3 white balls, 1 red ball

In the SuperLottery, three balls are drawn (at random) from ten white balls numbered from 1 to 10, and one SuperBall is drawn (at random) from ten red balls numbered from 11 to 20. When you buy a ticket, you choose three numbers from 1 to read more ..

What number must we add to 3-5i to get 2+7i? Here, i^2=-1

Guest May 1, 2022

318

+42

help

The roots of 7x^2 + x - 5 = 0 are a and b. Compute (a + 4) + (b + 4)

Celestianee May 1, 2022

261

help algebra

Evaluate $i^6+i^{16}+i^{-26}$.

thank you 🫶

Guest May 1, 2022

378

+42

Evaluate $i^6+i^{16}+i^{-26}$.

Ben twice chooses a random integer between 1 and 50, inclusive (and he may choose the same integer both times). What is the probability that at least one of the numbers Ben chooses is a multiple of 8?

Celestianee May 1, 2022

299

help probability

1. Let G be the center of equilateral triangle XYZ. A dilation centered at G with scale factor -3/4 is applied to triangle XYZ to obtain triangle X'Y'Z'. Let A be the area of the region that is contained in both triangles XYZ and X'Y'Z'. Find read more ..

Guest May 1, 2022

304

Very hard geo prob

Complete the expression by filling in the missing operator. The expression should equal 2.

3 * 4 [BLANK] 5
read more ..

Guest May 1, 2022

811

Answer The Question

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Guest May 1, 2022

269

Counting

How many three digit odd numbers can be formed from the digits 1, 2, 3, 4, and 5 if no digits are to be repeated?

If f(x) = (x + 4)/(x^2 + ax + b) and f(x) has two vertical asymptotes at x=1 and x=2, then find the sum of a and b.

Guest May 1, 2022

279

Asymptotes