All Questions ⁺⁰237641 Questions

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There are 100 people at lunch.

There are 100 people at lunch. The fruits available for lunch are blueberries, raspberries, or blackberries.
59 people have blueberries, 37 have raspberries, and 53 have blackberries.
25 people have both blueberries and raspberries; 19 people have read more ..

Guest Nov 20, 2020

0

517

1

+4

plz help

Write the equation of the line fully simplified slope-intercept form.
file:///home/chronos/u-0e95608777448dc69f34b162f3e7cd20558f2318/MyFiles/Downloads/Screenshot%202020-11-20%20at%2012.44.33%20PM.png

imdumbplzhelp Nov 20, 2020

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1855

2

counting

On my ping-pong team there are four times as many right-handed boys as left-handed boys. Of the students on the team who are left-handed, there are three times as many girls as there are boys. Half of the girls who are on the team are left-handed. If there read more ..

Guest Nov 20, 2020

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454

1

prime-looking numbers

Call a number prime-looking if it is composite but not divisible by 2, 3, or 5. How many prime-looking numbers are there less than 100?

Guest Nov 20, 2020

+2

1125

1

+46

Pls helllp

Points X and Y lie on sides AB and AC respectively of triangle ABC. If AB=7, AC=10, AX=4 and AY=6, what is the ratio of the area of triangle AXY to the area of triangle ABC?

faultypancake Nov 20, 2020

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370

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Mike draws six cards from a standard 52-card deck

Mike draws six cards from a standard 52-card deck. What is the probability that he draws a card from at least three of the four suits? Express your answer as a simplified fraction.

Guest Nov 20, 2020

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1460

1

3. What is the wavelength of a green light that has a frequency of 5.45 x 1014 Hz?

3. What is the wavelength of a green light that has a frequency of 5.45 x 1014 Hz?

Guest Nov 20, 2020

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715

1

1. What is the frequency of an orange light that has a wavelength of 620 x 10-9 m?

1. What is the frequency of an orange light that has a wavelength of 620 x 10-9 m?

Guest Nov 20, 2020

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415

0

4. What is the wavelength of a blue light that has a frequency of 6.67 x 1014 Hz?

4. What is the wavelength of a blue light that has a frequency of 6.67 x 1014 Hz?

Guest Nov 20, 2020

0

387

0

probability

There are five unmarked envelopes on a table, each with a letter for a different person. If the mail is randomly distributed to these five people, with each person getting one letter, what is the probability that exactly two people get the correct piece read more ..

Guest Nov 20, 2020

0

395

1

Two positive integers

The least common multiple of two positive integers is 8!, and their greatest common divisor is 9. If one of the integers is 315, then what is the other?

Guest Nov 20, 2020

0

443

1

Help! I don't know what to do!

Consider the following statement: Let f be a function, such that for all a and b in the domain of f, f(a)=f(b) implies a=b. Then the function f has an inverse.
Is this statement true or false?
Thank you so read more ..

Guest Nov 20, 2020

+1

1242

1

+505

Help. I don’t know what to do.

Find a polynomial q(x) such that (x+1)^3+x^2*q(x) has degree less than 2.

I don't know where to start so can someone give me a place where to solve. I don't need answers because then I can solve it by myself.
read more ..

MobiusLoops Nov 20, 2020

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475

2

Two positive integers and are chosen

Two positive integers m and n are chosen such that m is the largest positive integer less than 100 with only two positive divisors and n is the smallest integer with exactly three positive divisors. What is m + n?

Guest Nov 20, 2020

0

740

3

+73

Chris I have a question for you.

So this problem, find all integers $n$ such that the quadratic $7x^2 + nx - 11$ can be expressed as the product of two linear factors with integer coefficients.
Hint : Write $7x^2 + nx - 11 = (Ax + B)(Cx + D).$
So we determined read more ..

MathzSolver111 Nov 20, 2020

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506

1

TRUE OR FALSE

1 + cot^2 (x) = [4 cos^2 (x) / (sin^2 (2x))]

Guest Nov 20, 2020

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612

1

TRUE OR FALSE

The equation arcsec(0.5) = 2x has no solution

Guest Nov 20, 2020

0

442

0

+293

need help asap please

Cdortch Nov 20, 2020

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386

1

least common multiple

The least common multiple of 1!+2!+3!, 2!+3!+4!, 3!+4!+5!, 4!+5!+6!, 5!+6!+7!, 6!+7!+8!, 7!+8!+9!, and 8!+9!+10! can be expressed in the form a*b!, where a and b are integers and b is as large as possible. What is a+b?

Guest Nov 20, 2020

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589

1

A cook has 10 red peppers and 5 green peppers.

A cook has 10 red peppers and 5 green peppers. If the cook selects 8 peppers at random, what is the probability that he selects at least 4 green peppers? Express your answer as a common fraction.

Guest Nov 20, 2020

0

378

1

question

The directors of a company have voted to establish a fund that will pay a retiring accountant or his estate $1,000 per month for the next 10 years, with the first payment to be made a month from now. How much should be placed in the fund if it earns interest read more ..

Guest Nov 20, 2020

0

404

1

number theory

How many even perfect square factors does 2^4*5^5 have?

Guest Nov 20, 2020

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