All Questions ⁺⁰237785 Questions

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geometry

Fido's leash is tied to a stake at the center of his yard, which is in the shape of a an equilateral triangle. His leash is exactly long enough to reach the midpoint of each side of his yard. If the fraction of the area of Fido's yard that he is able read more ..

Guest Jan 10, 2022

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390

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help

Aside Zoe spent 5/8 of her money on a pen and saved the rest. The amount she spent was $66 more than the amount she saved. How much money did she save?

Guest Jan 10, 2022

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258

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Geometry

In the diagram, square ABCD has sides of length 4, and triangle ABE is equilateral. Line segments BE and AC intersect at P. Point Q is on BC so that PQ is perpendicular to BC and PQ=x. Compute AP. read more ..

Guest Jan 10, 2022

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243

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Geometry

An octagon is inscribed in a square so that the vertices of the octagon trisect the sides of the square. The perimeter of the square is centimeters What is the perimeter of the octagon?

Guest Jan 10, 2022

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270

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plzhelp compooter is broke :(

:( Access Denied Sorry, access to the requested page had to be denied by Web Safety web filter running within your network on proxy server named "ALS-WebProxy". Access is usually denied to inappropriate site categories, forbidden URLs and pages with explicit read more ..

Guest Jan 10, 2022

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382

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MCR

what is 9^1/2 x 9^1/2

Guest Jan 10, 2022

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307

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Algebra

The swimming pool can be filled in 40 hours using the medium hose. With the large hose, it will take hours instead. If we use both hoses (without any impact on waterflow rate), how long does it take to fill the pool? Round your answer to the nearest read more ..

Guest Jan 10, 2022

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256

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Geometry

Two shaded identical rectangular decorative tiles are first placed (one each) at the top and at the base of a door frame for a hobbit's house, as shown in Figure 1. The distance from W to H is 48 inches. Then the same two tiles are rearranged at the top read more ..

Guest Jan 10, 2022

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329

2

Help math

The number of quarters, dimes, and nickels in Peter’s pocket forms a ratio.Together, Peter has a total . How many coins does Peter have?

Guest Jan 10, 2022

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310

1

Geometry

A large rectangle has side lengths of x + 7 and x + 5. In the large rectangle, there is a rectangular hole with side lengths of 2x - 7 and x + 2. What is the area of the large rectangle (not including the area of the hole)? Express your answer as a polynomial read more ..

Guest Jan 10, 2022

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379

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Geometry

In the figure, the visible gray area within the larger circle is equal to times the area of the white circular region. What is the ratio of the radius of the small circle to the radius of the large circle? Express your answer as a common fraction.
read more ..

Guest Jan 10, 2022

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324

1

Help please thks

A pen cost 2/5 as much as a notebook. Raj spent $58.05 to buy 22
pens and 17 notebooks. Find the cost of 25 notebooks.

Guest Jan 10, 2022

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245

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Algebra

Find A and B such that (4x + 18)/(x^2 - 8x + 15) = A/(x - 3) + B/(x - 5) for all x besides 3 and 5. Express your answer as an ordered pair in the form (A,B).

Guest Jan 10, 2022

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484

2

What is 5/6 divided by 4/1?

I need this for math so please help me!

Guest Jan 10, 2022

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252

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Polynomials

Suppose that f(x) and g(x) are polynomials of degree 4 and 5 respectively. What is the degree of f(x^3)*g(x^3)?

Guest Jan 10, 2022

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275

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Algebra

The cooling system of Alex's car holds 10 quarts. It is now filled with a mixture that is 60% water and 40% antifreeze. Hearing a weather forecast for severe cold, Alex decides to increase the strenth of the antifreeze mixture to . To do this, Alex must read more ..

Guest Jan 10, 2022

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386

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Algebra

Rationalize the denominator of . The answer can be written in the form of , where A and B are positive integers. Find the minimum possible value of A + B.

Guest Jan 10, 2022

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379

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Help

Kadeem started an exercise program. He ran 25 minutes each day for 7 days. How much time had he spent running at the end of 7 days?
A. 1.75 hours
B. 1 hour and 75 minutes
C. 2 hours and 55 minutes read more ..

Guest Jan 10, 2022

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238

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Complex Numbers

Solve z^3 = 8*i in complex numbers.

Guest Jan 10, 2022

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359

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Counting

Using the digits 1, 2, 3, 4, 5, how many even three-digit numbers less than 500 can be formed if each digit can be used at most once?

Guest Jan 10, 2022

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361

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Counting

How many odd five-digit counting numbers can be formed by choosing digits from the set if digits can be repeated?

Guest Jan 10, 2022

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256

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Counting

Five cards are drawn at random from an ordinary deck of 52 cards. In how many ways is it possible to draw four black cards and one red card?

Guest Jan 10, 2022

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248

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Functions

(a) Let f : R -> R be defined by f(x) = x^2. Show that f(x) has no inverse function.
(b) Let g : (0,inf) -> R be defined by g(x) = x^2. Show that g(x) has an inverse function.

Guest Jan 10, 2022

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407

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System

For a certain value of k, the system

x + y + 3z = 10
-4x + 8y + 5z = 7 read more ..

Guest Jan 10, 2022

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255

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Number Theory

As n ranges over the positive integers, what is the sum of all possible values of the greatest common divisor of and ?

Guest Jan 10, 2022

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