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443

PLZ HELP!

What is the greatest positive integer such that is a factor of ?

Rom ●

Guest Jan 13, 2019

471

Please Help!

Let b and c be constants such that the quadratic -2x^2+bx+c has roots 3+sqrt5 and 3-sqrt5. Find the vertex of the graph of the equation y=-2x^2+bx+c.

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Guest Jan 13, 2019

514

help

Consider the set of all points (x,y) in the coordinate plane for which one of the coordinates is exactly negative three times the other or positive three times the other. If we were to plot all such points, into how many regions would the resulting graph read more ..

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Guest Jan 13, 2019

456

help

The number 236! ends in how many zeros when expressed as an integer?

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Guest Jan 13, 2019

1334

+1242

Help!

Circle A is in the interior of circle B. The diameter of circle B is 16 cm. What is the diameter of circle A for which the ratio of the shaded area to the area of circle A is 3:1?

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tertre ●●●

Lightning Jan 13, 2019

571

help plz

Tino's Ice Cream Shoppe features seven flavors: vanilla, chocolate, pistachio, coconut, blackberry, lemon, and saffron. Tino will gladly make you an ice cream shake featuring any two scoops you want (not necessarily of different flavors). For example, you read more ..

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Guest Jan 13, 2019

1073

+105

Could someone please help me with this math question?

The chart represents the sum of two dice rolled 50 times.
What is the difference between the theoretical probability and experimental probability of rolling a 10? (as a fraction)
A) 1/25
B) 11/75
C) 13/300 <#> D) 19/ 300 <#> Link to picture of read more ..

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Jaleco Jan 13, 2019

1698

+1242

Funcky Circle Areas

Two sectors of a circle of radius 12 overlap as shown, with P and R as the centers of the respective circles. Determine the area of the shaded region.

read more ..

ElectricPavlov ●

Lightning Jan 13, 2019

1598

help

Lupe went to the store and paid for her purchase with a $10 bill. She found that the digits making the amount of her purchase could be rearranged to make the amount she received back in change. If her purchase amount and her change amount were different read more ..

Rom ●

Guest Jan 13, 2019

693

help

Find all y which do not satisfy Express your answer in interval notation.

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Guest Jan 13, 2019

1750

+1242

Help!

In the diagram, each of the three identical circles touch the other two. The circumference of each circle is 36. What is the perimeter of the shaded region?

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Lightning Jan 13, 2019

842

+1242

Help!

Circle Gamma is the incircle of triangle ABC and is also the circumcircle of triangle XYZ. The point X is on BC, the point Y is on AB, and the point Z is on AC. If angle A=40 degrees, angle B=60 degrees, and angle C=80 degrees, read more ..

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Lightning Jan 13, 2019

473

Probability Question

If you flip a fair coin 7 times, what is the probability that you will get exactly 2 tails?

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Guest Jan 13, 2019

522

help

There are 5 girls and 5 boys in a chess club. The club holds a round-robin tournament in which every player plays against every other player exactly once.
If Anita is one of the club members, what fraction of all games at the tournament does read more ..

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Guest Jan 13, 2019

720

HELP! Sequence Problem!

I have found the answer (41) to this problem by virtue of using logarithms, however I’m in need of a solution/proof using telescoping/sequences ! I would really appreciate it, and I need the solution quickly. This is the problem
read more ..

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Guest Jan 13, 2019

594

bgf

I need help with this, how do you find equations of lines in graphs

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Guest Jan 13, 2019

1572

help

The difference when the product of 4 and a number is subtracted from 16 is greater than 10. How many positive integers satisfy the given conditions?

ElectricPavlov ●

Guest Jan 13, 2019

2435

+532

new question

In rectangle ABCD, points E and F lie on segments AB and CD, respectively, such that AE=AB/3 and CF=CD/2. Segment BD intersects segment EF at P. What fraction of the area of rectangle ABCD lies in triangle EBP? Express read more ..

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asdf335 Jan 13, 2019

582

help plz

There are 5 girls and 5 boys in a chess club. The club holds a round-robin tournament in which every player plays against every other player exactly once.
What fraction of the games are boy-versus-boy? Enter your answer as a fraction in simplified read more ..

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Guest Jan 13, 2019

834

+148

Mathcounts Question :D

Several months ago, Deven bought two plants. The two plants had the same height at the time when they were purchased. Ever since then, Plant A grew 10 centimeters every month. Plant B grew 1 centimeter in the first month after its purchase, 2 read more ..

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noobieatmath Jan 13, 2019

570

please help!

What is the sum of all numbers $a$ for which the graph of $y=x^2+a$ and the graph of $y=ax$ intersect one time?

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Guest Jan 13, 2019

545

help plz

There are 5vgirls and 5 boys in a chess club. The club holds a round-robin tournament in which every player plays against every other player exactly once.
In how many games does a girl play against another girl?

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Guest Jan 13, 2019

1583

2x=34

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Guest Jan 13, 2019

1118

Help please! Easy Problem!

Roberto has four pairs of trousers, seven shirts, and three jackets. How many different outfits can he put together if an outfit consists of a pair of trousers, a shirt, and a jacket?

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Guest Jan 13, 2019

All Questions ⁺⁰230542 Questions

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Could someone please help me with this math question?

Funcky Circle Areas

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Probability Question

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HELP! Sequence Problem!

bgf

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new question

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Mathcounts Question :D

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2x=34

Help please! Easy Problem!

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