All Questions

1012

HELP PLEASE!!

Two different numbers are selected simultaneously and at random from the set {1, 2, 3, 4, 5, 6, 7. What is the probability that the positive difference between the two numbers is 2 or greater? Express your answer as a common fraction.

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Guest Jul 15, 2020

527

pls help asap!!!

Can I get a hint for this problem?

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Guest Jul 15, 2020

573

need help with angles

Given the figure below, what are the values of x and y?

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Guest Jul 15, 2020

427

geometry

Find the area of a regular octagon with a side length of 5cm.

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Guest Jul 15, 2020

-3

728

+980

I need help on these problems ASAP

https://web2.0calc.com/questions/help-1_39
https://web2.0calc.com/questions/help-2_42
https://web2.0calc.com/questions/help-3_37
https://web2.0calc.com/questions/help-5_28 read more ..

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qwertyzz Jul 15, 2020

667

+20

Having 2 numbers that guaranteedly have a point where they can be used to get any number, how can this point be estimated?

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whatismath Jul 15, 2020

491

please help

The numbers from 1 to 8 are entered into the eight circles in this diagram, with the number 3 placed as shown. In each triangle, the sum of the three numbers is the same. The sum of the four numbers which are at the corners of the central square is 20. read more ..

Guest Jul 15, 2020

699

+26

Help!

The hypotenuse of a right triangle measures $6\sqrt{2}$ inches and one angle is $45^{\circ}$. What is the number of square inches in the area of the triangle?

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lionnalostet Jul 15, 2020

1035

+26

Find the area of triangle $ABC$ below.

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lionnalostet Jul 15, 2020

413

coordinates

Select the inequality that corresponds to the given graph.

Guest Jul 15, 2020

404

please help

Find x.

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Guest Jul 15, 2020

638

+20

Can you get any number starting from a certain one using any 2 numbers

It is known that you can get any number starting for 8 using only 5 and 3. Is it correct that you can get any number (starting from a certain one) using any 2 numbers? How could you estimate this "starting number"?

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whatismath Jul 15, 2020

936

+50

help

What percent of $5x$ is equal to $x/5$?

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HomeSlice Jul 15, 2020

Jul 14, 2020

661

+161

I know, I posted this 3 times, but I am curious if anyone knows!

https://web2.0calc.com/questions/hi-since-i-was-bored-i-made-a-problem

:)
-tigernathan read more ..

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tigernathan Jul 14, 2020

547

line equation

what is an equation of the line that is perpendicular to y-4 = 2(x-6) and passes through the point (-3, -5)

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Guest Jul 14, 2020

1028

+50

Help ASAP

A bookstore sells used books at a 40$\%$ discount off the regular price of the book when it was new. The price of a used book is $\$18$. What was the regular price of that book when it was new

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HomeSlice Jul 14, 2020

987

+306

The real numbers a and b satisfy |a|<1 and |b|<1.

The real numbers a and b satisfy and

a) In a grid that extends infinitely, the first row contains the numbers The second row contains the numbers In general, each number is multiplied by a read more ..

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mathmathj28 Jul 14, 2020

1212

+50

HELP ASAP

A tree grew from a height of 6 feet to 15 feet. By what percent did its height increase?

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HomeSlice Jul 14, 2020

670

equation of line

Which is an equation of the line that is parallel to y=-5x+6 and passes through the point (-4,-1)

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Guest Jul 14, 2020

731

+28

i need help with this practice question please help

solve the following equation by factoring
x^2-2x=0

Rewrite the equation in a completely factored form read more ..

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RichBoiiiKen Jul 14, 2020

614

+161

Solve; It is a problem I made up

There are 5 geometry and 3 algebra questions in the tiger math test. Nathan picks questions to solve randomly and he continues to study until he solves all questions from one of the subjects. What is the probability that Nathan finishes algebra? read more ..

tigernathan Jul 14, 2020

577

+161

A side problem :)

The “crescent moon” shape is bounded by the arc of a semicircle CDA and the arc of a quarter-circle ABC. Points B and D are the midpoints of their respective arcs. Given that BD = 2 units, what is the area of the shape, in square units? Express your answer read more ..

tigernathan Jul 14, 2020

749

+315

AoPS question

Are any of you here are from AoPS?

off-topic

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polyyou Jul 14, 2020

602

confused

A box of crayons has 9 different coloured crayons in it. 4 crayons are given to onechild to play with, then another 3 are given to a second child to play with, and finally the last 2 are given to a third child. In how many was can these crayons read more ..

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Guest Jul 14, 2020

574

probability

My friend and I are playing a best-out-of-seven table tennis tournament. We have an equal chance of winning any game. I have won two games, and my friend has won one game. What is the probability that I win the tournament?

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Guest Jul 14, 2020

All Questions ⁺⁰237665 Questions

HELP PLEASE!!

pls help asap!!!

need help with angles

geometry

I need help on these problems ASAP

Having 2 numbers that guaranteedly have a point where they can be used to get any number, how can this point be estimated?

please help

Help!

Find the area of triangle $ABC$ below.

coordinates

please help

Can you get any number starting from a certain one using any 2 numbers

help

I know, I posted this 3 times, but I am curious if anyone knows!

line equation

Help ASAP

The real numbers a and b satisfy |a|<1 and |b|<1.

HELP ASAP

equation of line

i need help with this practice question please help

Solve; It is a problem I made up

A side problem :)

AoPS question

confused

probability

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