All Questions ⁺⁰237641 Questions

0

681

1

Two sequences

What do the following two sequences have in common?
78539816339744830961566084581988..... and
1, - 1/3, + 1/5, -1/7, +1/9, -1/11, + 1/13, -1/15....
Any help would be appreciated. Thank you.

Guest Jul 22, 2017

+5

1176

1

+753

Inverse question

Suppose the function f has all real numbers in its domain and range and is invertible. Some values of f are given by the following table:
read more ..

MIRB16 Jul 22, 2017

+5

802

1

+753

functions!!

Let f(x) = 2x - 3 and g(f(x)) = 5-4x. Find g(4).

MIRB16 Jul 22, 2017

0

952

2

Algebra

Katy's mother is one year older than three times Katy's age and the sum of their ages is 57.
Write an equation, using k to represent Katy's age in years.
Also solve the equation to find the value of k, show all your working out. read more ..

Guest Jul 22, 2017

+1

2858

1

3√1331=

Guest Jul 22, 2017

+5

829

1

+753

Hard question!!

Let p(x) = 2x^3 - 113 and let q be the inverse of p. Find q(137).
Thanks for whoever is going to answer this!!!

MIRB16 Jul 22, 2017

0

839

1

Math Question: IXL

What is in the middle of 3.1 and 5.2?

off-topic

Guest Jul 22, 2017

Jul 21, 2017

+1

1063

1

Word Problem

francis earns $3.50 an hour mowing lawns, and Bella earns $5.25 an hour babysitting and spends $11 a week on books. Francis also gets $4.10 a week allowance. If Francis and Bella work the same number of hours and have the same ammount of money at the end read more ..

Guest Jul 21, 2017

0

1075

2

Undefined

Is it possible for an undefined number such a 2/0 to become defined, like if someone where to take the time to do it? Or is that something that is always going to be a "mystery"? Or would 0 be able to go into to an infinite amount of times because 0 is read more ..

Guest Jul 21, 2017

0

915

1

Negative Exponents

Why on this calculator if you put 2 to the -100000000000 power does it make it 0 if it can never truly reach 0?

Guest Jul 21, 2017

+5

2827

2

+753

I need some help!

The function f(x,y) accepts an ordered pair as input and gives another ordered pair as output. It is defined according to the following rules: If x > 4, f(x,y) = (x - 4,y). If x is less than or equal to 4 but y > 4. f(x,y) = (x,y - 4). Otherwise, read more ..

MIRB16 Jul 21, 2017

0

723

1

sutraction

off-topic

Guest Jul 21, 2017

+1

2283

1

+619

The equation of the circle shown in the following diagram can be written as $x^2 + Ay^2 + Bx + Cy + D = 0$. Find $A+B+C+D$.

The equation of the circle shown in the following diagram can be written as $x^2 + Ay^2 + Bx + Cy + D = 0$. Find $A+B+C+D$.

Center of circle is (-1,1), point on circle is (1,2)
read more ..

michaelcai Jul 21, 2017

+1

2561

1

+619

quadratic graph help

The graph of the quadratic $y = ax^2 + bx + c$ has the following properties: (1) The maximum value of $y = ax^2 + bx + c$ is 5, which occurs at $x = 3$. (2) The graph passes through the point $(0,-13)$. If the graph passes through the point $(4,m)$, then read more ..

michaelcai Jul 21, 2017

0

1518

1

What is the exact value of cosØ when Ø lies in quadrant 1 and sinØ= the square root of 2 over 6?

What is the exact value of cosØ when Ø lies in quadrant 1 and sinØ= the square root of 2 over 6?

Guest Jul 21, 2017

+4

3322

1

+753

Help with functions!!

Let f(x) = x^2 - 2x . Find all real numbers x such that f(x) = f(f(x))?
List your solutions separated by commas from least to greatest.

MIRB16 Jul 21, 2017

+1

908

2

what is a log?????!!!!!

what is a log?????!!!!!

Guest Jul 21, 2017

0

1242

3

+15127

Please help. Solution set.

I need a solution.

x^2−8=√4x^2

asinus Jul 21, 2017

0

1228

4

+847

help question

is the midpoint of . , , , . In simple radical form,
what is the perimeter of pentagon read more ..

Alan ●●●●

ant101 Jul 21, 2017

0

633

1

Simple

If a pipe weighs 64.6kg per meter how far is 27kg

Guest Jul 21, 2017

0

666

1

I promise, last matrix problem.

Prove that for any 2 x 2 matrix A, A2 can be written in the linear form aA + bI

I = (identity matrix).
read more ..

Guest Jul 21, 2017

0

1065

2

y=(x+2)(x-1)2 differentiate in respect to x

y=(x+2)(x-1)2 differentiate in respect to x

Guest Jul 21, 2017

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