All Questions ⁺⁰237665 Questions

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421

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help geometry

The center of a circle is at a vertex of an equilateral triangle as shown. If the area of the circle and the equilateral triangle are both 10, what is the combined area of the two gray regions?

read more ..

Guest Sep 5, 2021

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455

2

Probability

Rolling four standard dice, what is the probability that the product of the four results is even and divisible by 3?

Guest Sep 5, 2021

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342

1

Pls help me

Roy spent 3/8 of his money on 10 identical files and 10 identical board games.
He then spent 1/10 of the remainder on 6 identical staplers.
A board game cost 5 times as much as file. A stapler cost $1.50 more than a file.
(a) How read more ..

Guest Sep 5, 2021

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329

1

help plz

Noah was asked to compute the product of two numbers. He misread the problem and entered the sum of the two numbers instead. Luckily he still got the right answer. One of the two numbers is 6. What is the other number?

Guest Sep 5, 2021

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367

1

How do I make 9 1/6 an improper fraction or whole number???

How do I make 9 1/6 an improper fraction or whole number???

Guest Sep 5, 2021

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275

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Graphing

The graph of y = f(x) has the line x = 5 as an axis of symmetry. The graph also passes through the point (0,0). Find another point that must lie on the graph of y = f(x).

Guest Sep 5, 2021

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273

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Graphing

The graph of y = f(x) is a parabola whose vertex is at (1, -2). The graph of y = f(x) - 3 is also a parabola. Where is the vertex of the graph of y = f(x)-3?

Guest Sep 5, 2021

Sep 4, 2021

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245

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help probability

Ten people are sitting around a round table. Three of them are chosen at random to give a presentation. What is the probability that at least two of the three chosen people were sitting in consecutive seats?

Guest Sep 4, 2021

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266

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Probability

Three tiles are marked X and two other tiles are marked O. The five tiles are randomly arranged in a row. What is the probability that the arrangement starts with an X?

Guest Sep 4, 2021

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432

1

need help algebra

I pick two whole numbers x and y between 1 and 10 inclusive (not necessarily distinct). My friend picks two numbers x - 4 and 2y + 1. If the product of my friend's numbers is one greater than the product of my numbers, then what is the product of my numbers? read more ..

Guest Sep 4, 2021

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413

1

Graphing

The graph of y = f(x) is shown in red below. Find f(2).

Guest Sep 4, 2021

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441

1

+16

Need help

Nicholas is hiking in the national park. He is
on a 6 1/2-mile hike and he makes four
ecenly spaced rest stops along the way. At
what mile of the hike does he make his last read more ..

Mulletmann Sep 4, 2021

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328

1

Geometry

In the diagram, O is the center of a circle with radii OP=OQ=5. What is the perimeter of the shaded region?

Guest Sep 4, 2021

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307

1

geometry

Two of the exterior angles of a triangle are 158 degrees and 93 degrees Find the third exterior angle, in degrees.

Guest Sep 4, 2021

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242

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help graphing

The graph of the equation y = Ax^2 + Bx + C , where are A, B, C integers, is shown below. Find A + B + C.

Guest Sep 4, 2021

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268

0

need help

In triangle PQR, PQ=13, QR=14, and PR=18. Let M be the midpoint of QR. Find PM.

Guest Sep 4, 2021

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241

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geometry

Let A_1 A_2 A_3 ... A_{10} be a regular polygon. A rotation centered at A_1 with an angle of a takes A_5 to A_7. Given that a <180 degrees, find a in degrees.

Guest Sep 4, 2021

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363

1

plz help

The hour hand of a clock is 6 inches long and the minute hand is 8 inches long. What is the ratio of the distance in inches traveled by the tip of the hour hand to the distance in inches traveled by the tip of the minute hand from noon to 8 p.m.? Express read more ..

Guest Sep 4, 2021

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319

1

help probability

An urn contains 6 red, 5 blue and 2 green marbles. If 2 marbles are picked at random, what is the probability that both are red?

Guest Sep 4, 2021

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323

1

Factoring

Find the largest value of n such that 3x^2 +nx + 108 can be factored as the product of two linear factors with integer coefficients.

Guest Sep 4, 2021

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390

2

Algebra

One automobile starts out from a town at 8 a.m. and travels at an average speed rate of 60mph. 2 hours later, a second automobile starts out to overtake the first. If the second automobile travels at an average rate of 80mph, how long will it travel before read more ..

Guest Sep 4, 2021

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312

1

help plz

A tire measures 20 inches in diameter. How many revolutions will the tire have completed when it has traveled 1000 yards? Express your answer to the nearest whole number.

Guest Sep 4, 2021

0

468

2

+47

Im struggling with this (i have tried it several times)

Suppose that f is a polynomial and h is a polynomial of degree 5 or less such that .What is the degree of f?

SmartCookiezZ Sep 4, 2021

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308

1

Algebra

A train left for Houston, and 5 hours later, a car traveling 74 mph tried catching up to the train. After8 hours, the car caught up. What was the train's average speed?

Guest Sep 4, 2021

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412

1

algebra

Pablo buys 6 cakes and 2 sodas for 39.00. Jasmine buys 2 cakes and 4 sodas for 18.00. How much is onecake and one soda?

Guest Sep 4, 2021

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