All Questions

492

probability question

If P(A) = 0.45, P(B) = 0.7, and P(A and B) = 0.65, then find P(A or B).

Please help!

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Guest Sep 11, 2020

Sep 10, 2020

460

Help plz

Madeline has eight dogs. The mean weight of the lightest six is 40 pounds. The mean weight of the heaviest six is 55 pounds. What is the least possible range of weights of her dogs?

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Guest Sep 10, 2020

916

math question

Of the 60 people in a room, three-fourths (3/4) of the people are men and two-fifths (2/5) of the people have blonde hair. What is the least number of men in the room who could have blonde hair?

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Guest Sep 10, 2020

540

What is the smallest positive integer that has 2015 divisors?

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Guest Sep 10, 2020

482

Interesting Math Question!

What is the smallest positive integer that has 2015 divisors?

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Guest Sep 10, 2020

446

system

Solve

x + 2y - 3z = 9
2x - y + 2z = -8 read more ..

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Guest Sep 10, 2020

635

+30

Algebra

Find the largest value of n such that 3x^2 +nx + 72 can be factored as the product of two linear factors with integer coefficients.

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VioIynx Sep 10, 2020

908

algebra 2

If the graph of the second equation in the system passes through the points
(-12, 20) and (4, 12), which statement is true?
A The only solution to the system is (10,5).
B The only solution to the system is (0, 14).
C The system has no solution. <#> D read more ..

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Guest Sep 10, 2020

540

confused with this also

A test has twenty questions worth 100 points. The test consists of true/false questions worth 3 points each and multiple choice questions worth 11 points each. How many multiple choice questions are on the test?

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KOT777 Sep 10, 2020

481

+50

Find the dervative of y with respect to the given independent variable

Find the dervative of y with respect to the given independent variable
y = log3 [ ( (x+1)\(x-1) )ln3]

Lolaaaaaa1999 Sep 10, 2020

497

+50

Fond the dervative of y with respect to the goven independent variable .

Fond the dervative of y with respect to the goven independent variable .
y=log2r . Log4r

Lolaaaaaa1999 Sep 10, 2020

646

i need help on this word problem for algebra 1

The admission fee to the Michigan State Fair is $6 for children and 4 dollars for adults. On the first day, 220 people entered the fair and $1250 was collected. How many children and how many adults attended the fair?

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KOT777 Sep 10, 2020

905

A proposal will make years that end in double zeroes a leap year only if the year leaves a remainder of 200 or 600 when divided by 900. Unde

A proposal will make years that end in double zeroes a leap year only if the year leaves a remainder of 200 or 600 when divided by 900. Under this proposal, how many leap years will there be that end in double zeroes between 1996 and 4096?

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Guest Sep 10, 2020

803

PLEASE HELP

To promote her school's annual Kite Olympics, Genevieve makes a small kite and a large kite for a bulletin board display. Her small kite is drawn on a one-inch grid, as shown below read more ..

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Guest Sep 10, 2020

979

Which system of inequalities is represented by the graph?

Which system of inequalities is represented by the graph?

read more ..

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Guest Sep 10, 2020

640

Help, I don't really understand how to do this. Help ASAP would be appreciated.

The Petersonian alphabet consists of the 5 letters: O, R, Z, S, T. Any sequence of 1-7 letters is a valid word in this language (including words with repeated letters). How many different words does the Petersonian language read more ..

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Guest Sep 10, 2020

542

help please

Find the area of the triangle bounded by the y-axis and the lines y-3x=-2 and 3y+x=12.

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Guest Sep 10, 2020

544

geometry

What is the length of AC?

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Guest Sep 10, 2020

450

I know this has been answered but I still don't understand

If is a constant and if there exists a unique value of for which the quadratic equation has one real solution, then find .

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Guest Sep 10, 2020

622

+230

pls help

If m+1/m=8, then what is the value of m^2+1/m^2+4?

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Ericthegg123 Sep 10, 2020

638

triangle geometry

Let triangle XOY be a right-angled triangle with XOY being 90 degrees. Let M and N be the midpoints of legs OX and OY respectively. Given that XN=24 and YM=31, find XY (aka the hypotenuse).

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Guest Sep 10, 2020

398

help

Find the sum: 1∙1! + 2∙2! + 3∙3! + 4∙4! + ... + 100∙100!

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Guest Sep 10, 2020

419

previous answer was unclear

2 diagonals of a regular heptagon (a 7-sided polygon) are chosen. What is the probability that they intersect inside the heptagon?

I saw this on the forum but the answer was unclear. Help!

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Guest Sep 10, 2020

683

please help me

In the diagram below, $BC$ is 8 cm. In square centimeters, what is the area of triangle $ABC$?

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Guest Sep 10, 2020

329

help with algebra

Given f(x) = x² + 5x and g(x) = 3x - 5, find and simplify f(2a) + g(a - 1)

Guest Sep 10, 2020

All Questions ⁺⁰237665 Questions

probability question

Help plz

math question

What is the smallest positive integer that has 2015 divisors?

Interesting Math Question!

system

Algebra

algebra 2

confused with this also

Find the dervative of y with respect to the given independent variable

Fond the dervative of y with respect to the goven independent variable .

i need help on this word problem for algebra 1

A proposal will make years that end in double zeroes a leap year only if the year leaves a remainder of 200 or 600 when divided by 900. Unde

PLEASE HELP

Which system of inequalities is represented by the graph?

Help, I don't really understand how to do this. Help ASAP would be appreciated.

help please

geometry

I know this has been answered but I still don't understand

pls help

triangle geometry

help

previous answer was unclear

please help me

help with algebra

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