All Questions ⁺⁰237806 Questions

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876

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Combinations

Seven distinct points are identified on the circumference of a circle. How many different triangles can be formed if each vertex must be one of these 7 points?

Guest Aug 3, 2020

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511

1

please help

Find angles m and n.

Guest Aug 3, 2020

0

917

1

problem

In how many ways is it possible to arrange the digits of 1150 to get a four-digit multiple of 5?

Guest Aug 3, 2020

0

985

1

pls help

If $n$ is a constant and if there exists a unique value of $m$ for which the quadratic equation $x^2 + mx + (m+n) = 0$ has one real solution, then find $n$.

Guest Aug 3, 2020

0

660

1

+48

Pls help :)

ElitBabbi Aug 3, 2020

0

636

2

+48

Please help

ElitBabbi Aug 3, 2020

0

604

2

+48

Please help

ElitBabbi Aug 3, 2020

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572

1

PLEASE HELP ON THIS!!!!!

FIll in the boxes

Guest Aug 3, 2020

0

989

1

+133

How many zeroes does 66! end in when written in base 12?

How many zeroes does 66! end in when written in base 12?

SpicyP Aug 3, 2020

+1

667

1

+5

Help Please! Let $x$ and $y$ be integers. Show that $9x + 5y$ is divisible by 19 if and only if $x + 9y$ is divisible by 19.

Let $x$ and $y$ be integers. Show that $9x + 5y$ is divisible by 19 if and only if $x + 9y$ is divisible by 19.

This is a repost, though the last post's solution was removed for some reason.
read more ..

new3r Aug 3, 2020

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1131

1

help pleez!

Gabriella drives her car 360 miles and averages a certain speed, If the average speed had been 6 mph less, she could have traveled only 330 miles in the same length of time. What is her average speed?

Guest Aug 3, 2020

0

648

1

rotation

Find the angle of rotation about the center of the regular pentagon that maps A to D.

Guest Aug 3, 2020

0

569

1

plzzz help

Find angle X. I need to use consine law, but I don't know how.

Guest Aug 3, 2020

0

656

1

Halp!

An investment of $24,000 is made in a government bond that will pay 1% bi-monthly interest (meaning that the investment will increase by 1% every two months). At the end of five years, what is the total number of dollars in this investment? Express read more ..

Guest Aug 3, 2020

0

414

1

please help

Find the length y.

Guest Aug 3, 2020

0

561

1

please help

If Juan drives 50 mph for 1/2 hour then 60 mph for 1 1/2 an hour, what is his average speed?

Guest Aug 3, 2020

0

442

1

geometry question

Help, find angle D.

Guest Aug 3, 2020

0

925

1

Halp!

Bao was given $1,000 for his birthday. He decided to invest the money in a bank account that earns 10% interest, compounded annually. In dollars, how much total interest will Bao have earned 3 years later?

Guest Aug 3, 2020

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691

1

+335

Halp!

For what values of $j$ does the equation $(2x+7)(x-5) = -43 + jx$ have exactly one real solution? Express your answer as a list of numbers, separated by commas.

Rayjplayz Aug 3, 2020

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575

1

geometry problem

What is length e?

Guest Aug 3, 2020

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