All Questions

377

Consider triangle in the picture below, with and :

Consider triangle in the picture below, with and :

read more ..

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Guest Apr 11, 2022

356

Counting

The Little Twelve Basketball Conference has two divisions, with six teams in each division. Each team plays each of the other teams in its own division twice and every team in the other division three times. How many conference games are scheduled? read more ..

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Guest Apr 11, 2022

334

Algebra

Suppose that a, b, and c are real numbers such that $\frac{a}{b} = \frac{\sqrt{10}}{\sqrt{21}}$ and $\frac{b}{c} = \frac{\sqrt{135}}{\sqrt{42}}$. Find $\frac{a}{c}$. Completely simplify and rationalize the denominator.

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Guest Apr 11, 2022

347

Find the values of x and y

Find the values of x and y that make Line 1 || Line 2 and Line 3 || Line 4.

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Guest Apr 11, 2022

373

+41

HELP -- Speed of Sound

For a fixed temperature of 25 degrees Celsius and salinity of 35 parts per thousand, the speed of sound is a function of the depth. At the surface, the speed of sound is 1534 meters per second. For each increase in depth read more ..

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dfranklin4113 Apr 11, 2022

379

HELPO

You are given f(x) = x4 - 3x3 - kx - 5. When f(x) is divided by x + 3 the remainder is 169.

What is the value of K?

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Guest Apr 11, 2022

279

Draw the point that is x = 1.28, y = 0.5. Can you draw it?

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Guest Apr 11, 2022

360

Algebra

The arithmetic mean between two numbers is 75 and their geometric mean is 21. Find the numbers.

geno3141 ●

Guest Apr 11, 2022

436

Halp Pls

A stick has a length of units. The stick is then broken at two points, chosen at random. What is the probability that all three resulting pieces are shorter than units?

I've gotten 3/5 as an answer, but that read more ..

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Guest Apr 11, 2022

223

Just curious

Just curious, what database does 0calc use?

Guest Apr 11, 2022

Apr 10, 2022

397

Proportion

If p is inversely proportional to the square of q, and p is 19 when q is 8, determine p when q is equal to 3

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Guest Apr 10, 2022

-1

317

PLS HELP ASAP DUE IN 5 MINS

In triangle ABC, the angle bisector of angle BAC meets segment BC at D such that segment AD = AB. Line segment AD is extended to E such that angle DBE = angle BAD Show that triangle ACE is isosceles. read more ..

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Guest Apr 10, 2022

224

math problem

Jason had a lot of socks in his sock drawer — 25 white socks, 10 red socks, 15 blue socks,8 rainbow socks, 4 green socks, 7 purple socks. He forgot to pack his socks for the field trip, but he was already late, so he decided to just grab some number of read more ..

Guest Apr 10, 2022

266

Probability

Jonathan has a bag of assorted Jolly Ranchers. The bag contains 12 watermelon, 6 cherry, and 2 green apple. He will randomly select two flavors from the bag, one at a time without replacement. What is the probability that Jonathan will select read more ..

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Guest Apr 10, 2022

417

geometry

How many degrees are in the measure of the smaller angle that is formed by the hour-hand and minute-hand of a clock when it is 5:15 o'clock?

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Guest Apr 10, 2022

281

Counting

A standard six-sided die is rolled 6 times. You are told that among the rolls, there was one 1, two 2's, and two 3's, and one 4. How many possible sequences of rolls could there have been? (For example, 3,2,3,1,4,2 is one possible sequence.)

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Guest Apr 10, 2022

407

+41

Linear Equations

The following table shows the total number of patients diagnosed with the flu in terms of the time in days since the outbreak started.
Time in days 0 5 read more ..

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dfranklin4113 Apr 10, 2022

363

Algebra

Find all values of z such that z^4 - 4z^2 +4 = 0.

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Guest Apr 10, 2022

4347

It's 11:55 what time will it be in 30 min

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Guest Apr 10, 2022

284

Algebra

The sum of three numbers a, b, and c is 99. If we increase a by 6, decrease b by 6 and multiply c by 6, the three resulting numbers are equal. What is the value of b?

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Guest Apr 10, 2022

321

RSM Olympiad 2019 Problem 12

Five friends are all of different heights. The average height of the three tallest friends is exactly the height of one of them. The average height of the four tallest friends is exactly the height of one of them. The average height of all five friends read more ..

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Guest Apr 10, 2022

324

RSM Olympiad 2019 Problem 11

The number R has exactly 7 different positive integer factors, the number S has exactly 8 different positive integer factors, and their product R ∙ S has exactly M different positive integer factors. Compute the sum of all different possible values of M. read more ..

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Guest Apr 10, 2022

311

+41

APR

You have invested $2700 at an APR of 4%. Use the Rule of 72 to estimate how long it will be until your investment reaches $5400, and how long it will be until your investment reaches $10,800.
It will take read more ..

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dfranklin4113 Apr 10, 2022

All Questions ⁺⁰237767 Questions

Consider triangle in the picture below, with and :

Counting

Algebra

Find the values of x and y

HELP -- Speed of Sound

HELPO

Draw the point that is x = 1.28, y = 0.5. Can you draw it?

Algebra

Halp Pls

Just curious

Proportion

PLS HELP ASAP DUE IN 5 MINS

math problem

Probability

geometry

Counting

Linear Equations

Algebra

It's 11:55 what time will it be in 30 min

Algebra

RSM Olympiad 2019 Problem 12

RSM Olympiad 2019 Problem 11

APR

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