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274

Fractions and ratios

At a gathering, 1/3 of the people at the gathering are adults. The remaining group of people is divided into boys and girls in the ratio of 5:7. Each boy is given 2 keychains and each girl is given 5 keychains. Each accompanying adult receives 6 keychains. read more ..

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Guest Jul 4, 2022

254

Parabola

The red parabola shown is the graph of the equation x = ay^2 + by + c. Find a + b + c.

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Guest Jul 4, 2022

252

Help

Luis cut 18 1/2 inches from a rope that was 60 inches long. Write in decimal form the length of the rest of the rope in inches?

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Guest Jul 4, 2022

256

Help

My front lawn measures 2 1/2 yards by 5 1/3 yards. To fertilize it, I need 1/2 ounce of fertilizer per square foot. How much fertilizer must I buy?

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Guest Jul 4, 2022

259

Coordinates

A circle passes through the point (12,0), and is tangent to the y-axis at the point (0,2). Find the radius of the circle.

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Guest Jul 4, 2022

276

counting

In how many different ways can 3 men and 4 women be placed into one group of three people and one group of four people if there must be at least one man and one woman in each group?

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Guest Jul 4, 2022

274

geometry

The numerical value of a particular square's area is equal to four times the numerical value of its perimeter. What is the length of a side of the square?

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Guest Jul 4, 2022

255

Circles

How much greater, in square inches, is the area of a circle of radius 20 inches than a circle of diameter 10 inches? Express your answer in terms of pi.

CPhill ●

Guest Jul 4, 2022

205

Inequality problem

Solve 1/3*t - 5 < t - 2 + 4/5*t <= -3t + 7 - t/2. Give your answer as an interval.

Guest Jul 4, 2022

259

Sphere

The same amount of steel used to create eight solid steel balls, each with a radius of 5 inches, is used to create one larger steel ball. What is the radius of the larger ball?

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Guest Jul 4, 2022

257

Number Theory

A very large number x is equal to 2^3*4^5*6^7*8^9. What is the smallest positive integer that, when multiplied with x, produces a product that is a perfect square?

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Guest Jul 4, 2022

263

linear inequality

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

(Give your answer in the form Ax + By >= C or Ax + By >read more ..

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Guest Jul 4, 2022

298

Marvin the fly starts at (0,0). Each step, Marvin moves one unit right or one unit up.

Marvin the fly starts at (0,0). Each step, Marvin moves one unit right or one unit up. He is trying to get to the point (5,7). However, at (4,4) there is a frog that will eat him if he goes through that point. In how many ways can Marvin reach read more ..

BuilderBoi ●●●

Guest Jul 4, 2022

327

I run a book club with n people, not including myself. Every day, for 365 days, I invite three members in the club

I run a book club with n people, not including myself. Every day, for 365 days, I invite three members in the club to review a book. What is the smallest positive integer n so that I can avoid ever having the exact same group of three members over all 365 read more ..

BuilderBoi ●

Guest Jul 4, 2022

256

math help please

Ten less than two-fourths of a number equals 14. What is the number?

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Guest Jul 4, 2022

283

Math

It takes one hundred thirty pounds of milk to make thirteen pounds of cheese. At that rate, how much milk does it take to make eleven ounces of cheese?

BuilderBoi ●●●

Guest Jul 4, 2022

266

Help

Noah, John, and Max have sold a total of 350 books. Max sold 45 more books than Noah. John sold 40 fewer books than Noah. How many books did John sell?

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Guest Jul 4, 2022

275

Right Triangle

The side lengths of a right triangle measure x, x + y, and x + 2y units where 0 < y < x. What is the value of y/x? Express your answer as a common fraction

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Guest Jul 4, 2022

254

Algebra

There are 12 ordered pairs of integers (x,y) that satisfy x^2 + y^2 = 25. What is the sum of all the x-values?

BuilderBoi ●

Guest Jul 4, 2022

255

medians

Medians DP and EQ of triangle DEF are perpendicular. If DP = 18 and EQ = 28, then what is DF?

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Guest Jul 4, 2022

271

counting

In how many ways can we seat 6 people around a round table if Fred and Gwen insist on sitting so that one person is between them? (Two seatings are considered equivalent if one is a rotation of the other.)

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Guest Jul 4, 2022

327

Geometry

The radius of circle S is half the radius of circle L. The radius of circle L is 8 millimeters. Which measurement is closest to the area of circle S in square centimeters?
A. 50.24 mm2
B. 25.12 mm2
C. 200.96 mm2 read more ..

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Guest Jul 4, 2022

236

help exponents

What is the value of $n$ such that $10^n = 10^{-6}\times \sqrt{\frac{10^{46}*10^{18}}{0.01}}$?

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Guest Jul 4, 2022

254

help geometry

P is hte midpoint of BD, AP = BP = 4, AP perp BD, BD perp DC, AB perp BC. In simplest form, what is the area of pentagon ABCDP?

read more ..

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Guest Jul 4, 2022

279

Binomials

What non-zero integer must be placed in the square so that the simplified product of these two binomials is a binomial: ?

(3x + 2)(3x - ___)

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Guest Jul 4, 2022

All Questions ⁺⁰237313 Questions

Fractions and ratios

Parabola

Help

Help

Coordinates

counting

geometry

Circles

Inequality problem

Sphere

Number Theory

linear inequality

Marvin the fly starts at (0,0). Each step, Marvin moves one unit right or one unit up.

I run a book club with n people, not including myself. Every day, for 365 days, I invite three members in the club

math help please

Math

Help

Right Triangle

Algebra

medians

counting

Geometry

help exponents

help geometry

Binomials

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