All Questions ⁺⁰236352 Questions

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282

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help plz

In the equation 1/j + 1/k = , both j and k are positive integers. What is the sum of all possible values for k?

Guest Jan 25, 2022

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365

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+82

Quadratic Equation and Inequality Question

For the following system of equations: { -4x2+2x+5
read more ..

JuliaJ5 Jan 25, 2022

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202

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Coordinates

etermine the number of lattice points enclosed by the graphs of |2x| = 9 and |3y| = .

Guest Jan 25, 2022

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348

2

+82

Quadratic Equation and Inequality Question

Algebraically solve the following inequality and write the solution sets:
-3x2+24x-3 ≤ -3

You can use any method ( Case analysis, test intervals or sign chart ) read more ..

JuliaJ5 Jan 25, 2022

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334

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Fractions

Cliff collects antique farm equipment. 5/8 of his collection are tractors. Of these tractors 1/5 of them are in working order. How much of his whole collection are working tractors?

Guest Jan 25, 2022

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317

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Help

Mary has to read 2 books for school. Mary read 5/8 of the first book on Friday, and 3/8 of the second book on Saturday. The first book has 420 pages. What total fraction of these two books has Mary read?

Guest Jan 25, 2022

+1

357

6

Hello

I dont even have a question, but hello

off-topic

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Guest Jan 25, 2022

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331

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need help

Let x, y and z be positive real numbers such that x + y + z = 1. Find the minimum value of (x + y + z)/(xyz).

Guest Jan 25, 2022

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184

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Algebra

The polynomial equation x^3 + bx + c = 0 where b and c are rational numbers, has 1 + sqrt(2) as a root. It also has an integer root. What is it?

Guest Jan 25, 2022

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305

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Help please

Adam is 30% Sioux, so when Indian Pudding Day was near, he decided to make enough Indian Pudding for everyone in his class to have half of a cup of pudding. There are twenty-five students in his class, and he would also like to give the same size of pudding read more ..

Guest Jan 25, 2022

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275

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Algebra

For what real values of a is x^2 + ax + 125 the square of a binomial? If you find more than one, then list the values separated by commas.

Guest Jan 25, 2022

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194

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Functions

uppose that f(x) and g(x) are functions on R such that the range of f is [-5,5], and the range of g is [-2,2]. The range of f(x) times g(x) is [a,b]. What is the largest possible value of b?

Guest Jan 25, 2022

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401

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Algebra

For how many real values of x is sqrt(63 - 3*sqrt(x)) an integer?

Guest Jan 25, 2022

+1

331

5

need help

In the diagram below, A is on line segment CE and AB bisects Angle DAC. If segment DA is parallel to segment EF and angle AEF = 10angleBAC - degrees, then what is angle DAC in degrees?

read more ..

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Guest Jan 25, 2022

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341

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sum

What is the sum of all the integers between -12.1 and ?

Guest Jan 25, 2022

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279

1

Pls help with this question, thank you.

25% of the people at a party are dancing. 36 of the dancers are men. 3/5 of the non-dancers are women. Given that there are 86 more men who are nor dancing than women who are dancing. How many people were there at the party?

Guest Jan 25, 2022

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200

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Digits

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

Guest Jan 25, 2022

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235

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Counting

In a three-digit number, the hundreds digit is greater than 7, the tens digit is greater than 2 but less than 6, and the units digit is the smallest prime number. How many three-digit numbers satisfy all of these conditions?

Guest Jan 25, 2022

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199

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Inequality

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 $\$200$ read more ..

Guest Jan 25, 2022

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300

1

Inequality

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 Jan 25, 2022

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342

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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 Jan 25, 2022

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310

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Counting

At my office, 16 people own cats, people own dogs, and people own both cats and dogs. How many people own a cat or a dog?

Guest Jan 25, 2022

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175

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Algebra question

For how many integer values of a does the equation x^2 + ax + 8a + 18 = 0 have integer solutions for x?

Guest Jan 25, 2022

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308

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Geometry

The interior angles of a quadrilateral form an arithmetic sequence. If the measure of the largest angle is degrees, what is the measure of the second largest angle, in degrees?

Guest Jan 25, 2022

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303

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Quadratic

What is the maximum value of 4(x + 7)(2 - x) + 2x^2 + 8x - 3, over all real numbers x?

Guest Jan 25, 2022

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