All Questions ⁺⁰238062 Questions

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487

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OFF TOPIC QUESTION - sry

Can I post affiliate links here occasionally?

off-topic

Guest Jul 25, 2018

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1862

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help me

Each face of a cube is assigned a different integer. Then each vertex is assigned the sum of the integer values on the faces that meet at the vertex. Finally, the vertex numbers are added. What is the largest number that must divide the final sum for every read more ..

Guest Jul 25, 2018

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2337

2

Help please, thanks.

Find the value of $y$ such that $9^y = \dfrac{3^5\cdot 9^6}{27^3}$.

Got 7 the first time and 1 the sencond time... Don't know what's wrong...
read more ..

Guest Jul 25, 2018

Jul 24, 2018

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429

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Need help just on #3 part C please

Need help in explaining part C to someone else. I don't know how to explain because I don't even fully understand this.

Guest Jul 24, 2018

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1614

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Summing up

Let S = 1^2/(1.3) + 2^2/(3.5) + 3^2/(5.7) + 4^2/(7.9) +.....+ 500^2/(999.1001).
What is the sum of S? Thank you for help.

Guest Jul 24, 2018

-1

1351

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+1246

Polynomial Multiplication

The product of $3t^2+5t+a$ and $4t^2+bt-2$ is $12t^4+26t^3-8t^2-16t+6$. What is $a+b$?

Lightning Jul 24, 2018

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722

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+1246

Polynomial Basics

Let f(y) = y^4 -3y^3 +y - 3 and g(y) = y^3 + 7y^2 -2. Find $f(y) + g(y)$. Write your answer as a polynomial with terms of decreasing degree.

Lightning Jul 24, 2018

-1

640

1

+1246

Graphing Functions

Suppose that the graph of a certain function, $y=f(x)$, has the property that if it is shifted $20$ units to the right, then the resulting graph is identical to the original graph of $y=f(x)$. What is the smallest positive $a$ such that if the graph of read more ..

Lightning Jul 24, 2018

+2

991

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+413

challenge for moderators

Q .If θ1,θ2 and θ3 are three values lying in [0, 3(π)] for which tanθ=λ .Then [(tan θ1/2)*(tan θ2/2)+ (tan θ2/2*(tan θ3/2)+(tan θ3/2)*(tan θ1/2)] is equal to

kes1968 Jul 24, 2018

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815

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+1246

Domain and Range

Compute the domain of the real-valued function

Lightning Jul 24, 2018

-1

686

1

+1246

Graphing Functions

Suppose that the graph of a certain function, $y=f(x)$, has the property that if it is shifted $20$ units to the right, then the resulting graph is identical to the original graph of $y=f(x)$. What is the smallest positive $a$ such that if the graph of read more ..

Lightning Jul 24, 2018

-1

990

5

+1246

Graphing Funtions

For how many integer values of is not satisfied?

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Lightning Jul 24, 2018

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547

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Help with only C and D

(a) Compute the sums of the squares of Rows 1-4 of Pascal's Triangle.

Do these sums appear anywhere else in Pascal's Triangle?
(b) Guess at an identity based on your observations from part (a). Your identity should be of the form

(You read more ..

Guest Jul 24, 2018

-1

839

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+1246

Domain and Range!

What is the domain of the function Express your answer in interval notation.

Lightning Jul 24, 2018

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3314

1

+1246

Graphing Functions

Given that the point $(4,7)$ is on the graph of $y=f(x)$, there is one point that must be on the graph of $2y=3f(4x)+5$. What is the sum of coordinates of that point?

Lightning Jul 24, 2018

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780

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I need the answer.

Ellen wants to purchase a book that regularly priced at $18.the book is discounted 15%. She also needs to pay a 6% sales tax on the discounted price.

what is the totle amount Ellen will pay for the the book ?

Guest Jul 24, 2018

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1341

9

This is the one I really need help on

Prove that there exists a positive integer N such that the equation x^2 + y^2 = N has at least 2005 solutions in non-negative integers x and y .

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Guest Jul 24, 2018

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