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All Questions
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215359 Questions
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30
3
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
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28
1
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
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Guest
Jul 4, 2022
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15
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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
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29
1
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
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33
2
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
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29
1
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 >
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Guest
Jul 4, 2022
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35
3
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
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BuilderBoi
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Guest
Jul 4, 2022
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37
1
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
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Guest
Jul 4, 2022
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29
1
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
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32
3
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
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Guest
Jul 4, 2022
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29
1
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
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32
2
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
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25
1
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
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Guest
Jul 4, 2022
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25
1
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
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29
1
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
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25
1
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
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Guest
Jul 4, 2022
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27
1
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
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29
1
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?
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Guest
Jul 4, 2022
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33
1
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
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35
1
Martha's Spanish Restaurant bought pounds of green peppers and pounds of red peppers. How many pounds of peppers did Martha's Spanish
Martha's Spanish Restaurant bought pounds of green peppers and pounds of red peppers. How many pounds of peppers did Martha's Spanish Restaurant buy in all? Express your answer as a simplified mixed number.
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Guest
Jul 4, 2022
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27
1
help quadratic
The expression x^2 + 13x + 30 can be written as (x + a)(x + b), and the expression x^2 + 6x + 9 written as (x + b)(x + c), where a, b, and c are integers. What is the value of a+b+c?
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Guest
Jul 4, 2022
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29
1
Inequalities
For how many positive integral values of a is it true that x = 2 is the only positive integer solution of the system of inequalities
2x > 3x - 3
8x - a > -6 + 2x
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Guest
Jul 4, 2022
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19
0
Hyperbola
A hyperbola has one of its foci at (3,2) and the vertex of the hyperbola closer to this focus is at (4,2) One of the asymptotes of the hyperbola has slope 2 Find the x-coordinate of the center of the hyperbola.
Guest
Jul 4, 2022
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26
1
geometry
Let A, B, C be points on circle O such that AB is a diameter, and CO is perpendicular to AB. Let P be a point on OA, and let line CP intersect the circle again at Q. If OP = 20 and PQ = 8, find r^2, where r is the radius of the
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Guest
Jul 4, 2022
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28
1
Angles
What is the value of x in the plane figure shown?
BuilderBoi
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Guest
Jul 4, 2022
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