All Questions ⁺⁰235546 Questions

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299

1

Base numbers

When the base-b number 11011_b is multiplied by b, then is added, what is the result (written in base b)?

Guest Feb 12, 2022

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411

1

HELP!!

For what real number $v$ is $\frac{-21-\sqrt{301}}{10}$ a solution to $5x^2+21x+v = 0$?

Guest Feb 12, 2022

0

214

0

Hard Question

17 people wore red shirts, 15 wore watches and 20 played volleyball. Also: Exactly 8 red-shirted people wore watches. Exactly 13 red-shirted people played volleyball. Exactly 12 watch-wearers played volleyball. Exactly 5 people playing volleyball wore both read more ..

Guest Feb 12, 2022

-1

306

0

+218

Hard Logic Problem

At the Fitness Center last Monday evening, 17 people wore red shirts, 15
wore watches and 20 played volleyball. Also: Exactly 8 red-shirted
people wore watches. Exactly 13 red-shirted people played volleyball.
Exactly 12 watch-wearers played volleyball. read more ..

MathyGoo13 Feb 12, 2022

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170

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Quadratic

Find a non-zero value for a such that ax^2 + 8x + 6 = has only one solution.

Guest Feb 12, 2022

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164

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Algebra

Jeri finds a pile of money with at least 200. If she puts 80 of the pile in her left pocket, gives away of the rest of the pile, and then puts the rest in her right pocket, she'll have more money than if she instead gave away 200 of the original read more ..

Guest Feb 12, 2022

0

533

3

Find the total number of lattice points on the graph of x 2 + y 2 + 11x - 13y + 73 = 0.

Find the total number of lattice points on the graph of x2 + y2 + 11x - 13y + 73 = 0.

Guest Feb 12, 2022

0

319

2

Rate question

Biking at 10 mph, it takes Kristen hour to reach the train station to go to work. Kristen then takes the train to work, and it takes another hour for her to get to work when the train travels 24 mph. How far does Kristen travel to work?

Guest Feb 12, 2022

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294

1

Algebra

All sacks of sugar have the same weight. All sacks of flour also have the same weight, but not necessarily the same as the weight of the sacks of sugar. Suppose that two sacks of sugar together with three sacks of flour weigh no more than 40 pounds, and read more ..

Guest Feb 12, 2022

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291

1

Graphing inequalities

Find a linear inequality with the following solution set. Each grid line represents one unit.

Give your answer in the form ax + by + c > 0 or ax + by + c >= 0 where a, b and c are integers with no common factor greater than read more ..

Guest Feb 12, 2022

0

870

4

NEED HELP!

Find the value of C so that the graph of x2 + y2 - 12x + 14y - C = 0
passes through the point (10,1)

Guest Feb 12, 2022

0

313

1

مجموعه الاعداد الطبيعيه الاقل من 3

مجموعه الاعداد الطبيعيه الاقل من 3

Guest Feb 12, 2022

0

326

1

Equations

Let x and y be real numbers satisfying 2/x = y/3 = x/y. Determine x^3

Guest Feb 12, 2022

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332

1

You invest $201 at 9% for four years. What will the balance be at the end of four years?

You invest $201 at 9% for four years. What will the balance be at the end of four years?

Guest Feb 12, 2022

0

319

1

Algebra

My street hockey team plays three games each week. My team lost all 12 games in the first four weeks. Then, my team won two games and lost one game in the fifth week, bringing our record to 2 wins and 13 losses. Each week after that, my team won two read more ..

Guest Feb 12, 2022

0

284

1

Help 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 students take only Spanish, then read more ..

Guest Feb 12, 2022

0

480

7

Probability problem

The following cards are dealt to three people at random, so that everyone gets the same number of cards. What is the probability that everyone gets a red card?

read more ..

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Guest Feb 12, 2022

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331

1

Geometry problem

In the diagram, triangle BDF and triangle ECF have the same area.. If DB = 2, BA = 3, and AE = 5, find the length of line EC. Diagram is below.

read more ..

Guest Feb 12, 2022

+26

357

3

+1306

Dealing with Cubes...

Find all values of a that satisfy the equation

I multiplied both sides by a^3+7 to get -6=-a^3.
read more ..

dolphinia Feb 12, 2022

+27

359

2

+1306

Solving Equation

Find all values of y that satisfy the equation

So far I got y=3, but apparently there's more than one solution. Could someone help me with the other one?

dolphinia Feb 12, 2022

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297

1

Piecewise function

f(x) = ax + 3 if x > 2,
f(x) = x + 5 if -2 <= x <= 2,
f(x) = 8x + b if x < -2
read more ..

Guest Feb 12, 2022

0

296

1

Trapezoid

In trapezoid ABCD, line AB is parallel to line CD, and AB < CD. The base CD has a length of 8. The legs AD and BC have lengths of 6, and the diagonal BD has a length of 9. Find the area of the trapezoid.

Guest Feb 12, 2022

0

281

1

Odd numbers

What is the sum of all the odd integers between 500 and ?

Guest Feb 12, 2022

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