All Questions

729

i don't know probability

Two fair dice are tossed together once. Find the probability that the sum of the outcome is at least 10

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Guest Aug 17, 2020

649

Any help appreciated pls give answer and explanation :)

If x and y are real numbers such that 4^x=27 and 9^y=16, what is the value of xy?

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Guest Aug 17, 2020

525

please help

82.) a varies directly as b and inversely as the square of c, and a=10, when b=8 and c=2. Find a when b=20 and c=5.

83.) During a canoe trip, Roberto paddled twice as many hours as Edward, and Jim paddled for one hour. If the three read more ..

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Guest Aug 17, 2020

611

+980

Thanks for any help

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qwertyzz Aug 17, 2020

591

sum

Compute the sum 1 + 4 + 7 + ... + 2005 + 2008.

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Guest Aug 17, 2020

1039

+133

Let n be a positive integer. Prove that there exists a positive integer m > 1000...

Let n be a positive integer. Prove that there exists a positive integer m > 1000 with the following two properties: m’s last 3 digits are 007, and m is relatively prime to n.

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SpicyP Aug 17, 2020

Aug 16, 2020

559

probability question

Six stand-up comics, A, B, C, D, E, and F, are to perform on a single evening at a comedy club. The order of performance is determined by random selection. Find the probability that
a. Comic B will perform fourth
b. Comic C will perform last read more ..

Guest Aug 16, 2020

657

+96

help asap algebra

Find all real constants k such that the system x+3y=kx and 3x+y=ky has a solution other than (x,y)=(0,0)

I'm really stuck and I tried 4 but it wasn't the right answer.

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kanisan Aug 16, 2020

861

please help!

On the number line above, points J, K, L, and M are integers, and JK:KL:KM = 2:1:3. What is the value of KM? number line shown below

read more ..

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Guest Aug 16, 2020

644

+140

nobody helped me with this and its almost an hour

https://web2.0calc.com/questions/help-i-only-have-1-more-question-after-this

plz help when you can thanks! :)

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Creampuff Aug 16, 2020

1048

linear equation

Find the equation of the line graphed below. Write the equation in the form y=mx+b and identify m and b.

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Guest Aug 16, 2020

503

I need help on this question

I need help on this question
Thanks! read more ..

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Guest Aug 16, 2020

775

+140

help i only have 1 more question after this

Find all values of x such that

If you find more than one value, then list your solutions, separated by commas.

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Creampuff Aug 16, 2020

637

complex numbers

Solve z^2 = -33 + 56i.

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Guest Aug 16, 2020

533

quadratic

What is the value of k?

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Guest Aug 16, 2020

536

please help

Mr Fodor invested an amount in two separate finance firms in the ratio 3:5 his profit was calculated in 8% and 10% respectively . after a year he recieved a profit an interest of 92000. caculate the total amount invested

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Guest Aug 16, 2020

571

help again

Find all values of x such that . If you find more than one value, then list your solutions, separated by commas.

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Guest Aug 16, 2020

416

I need help

I think you use similar triangles, but I don't know how.

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Guest Aug 16, 2020

528

help geometry

Find angle AEG.

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Guest Aug 16, 2020

1492

+140

plz help

Find all values of x such that . If you find more than one value, then list your solutions, separated by commas.

its not -5,-3 just saying :)

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Creampuff Aug 16, 2020

468

please help

Find the total surface area.

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Guest Aug 16, 2020

1047

+212

The value of the expression (2^(1004)+5^(1005))^2-(2^(1004)-5^(1005))^2 is $k\cdot10^{1004}$ for some positive integer $k$. What is $k$?

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Filliqq Aug 16, 2020

423

Help please

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Guest Aug 16, 2020

402

need help with geometry

Rectangle ABCD satisfies AB=4 and BD=5. Let M be the on diagonal BD such that BM=2. Line AM intersects BC at N. Find the area of triangle DMN.

Guest Aug 16, 2020

All Questions ⁺⁰237665 Questions

i don't know probability

Any help appreciated pls give answer and explanation :)

please help

Thanks for any help

sum

Let n be a positive integer. Prove that there exists a positive integer m > 1000...

probability question

help asap algebra

please help!

nobody helped me with this and its almost an hour

linear equation

I need help on this question

help i only have 1 more question after this

complex numbers

quadratic

please help

help again

I need help

help geometry

plz help

please help

The value of the expression (2^(1004)+5^(1005))^2-(2^(1004)-5^(1005))^2 is $k\cdot10^{1004}$ for some positive integer $k$. What is $k$?

Help please

need help with geometry

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