All Questions ⁺⁰230906 Questions

+1

1181

1

+586

Functions Help

The function f(n) = 3f(n-2) - 2f(n-1), where f(2) = 3 and f(1) = -1. What is the value of f(5)?

xXxTenTacion Aug 16, 2018

0

1361

1

help me

A certain integer has 4 digits when written in base 8. The same integer has d digits when written in base 2. What is the sum of all possible values of d?

Guest Aug 16, 2018

0

628

1

show area model

►Please show multiple representations of area models for 1/2 divided by 5/8 (e.g. fraction bars, number lines, boxes, etc)

Guest Aug 16, 2018

0

618

1

Help Please!!!

Find all complex numbers such that z^2=2i
Write your solutions in a+bi form, separated by commas. So, "1+2i, 3-i" is an acceptable answer format, but "2i+1; -i+3" is not. (Don't include quotes in your answer.)
read more ..

Guest Aug 16, 2018

Aug 15, 2018

0

847

1

what do you classify 2 7/9 as?

what do you classify 2 7/9 as?

Guest Aug 15, 2018

0

755

1

+12

Please Help With Vectors

Would you mind explaining to me how I could determine the answer to this question? Thank you!

Calcgirl77 Aug 15, 2018

0

698

1

+12

Please Help with Polar and Rectangular Coordinates

Would someone mind helping me to understand how to find the answer to this problem? Thank you!

Calcgirl77 Aug 15, 2018

-1

2159

20

+4

hallppp!(3 questions)

1)What is the least positive multiple of 72 that has exactly 16 positive factors?
read more ..

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ReallyBadAtMath Aug 15, 2018

+1

874

2

+210

to all the web2.0calc users out there

A line segment is broken at two random points along its length. What is the probability that the three new segments can be arranged to form a triangle?

ColdplayMX Aug 15, 2018

0

743

2

HELP

During a construction project, engineers used explosives to excavate 140 feet of tunnel into a mountain. But because of time constraints and environmental concerns, they brought in a tunnel boring machine (TBM) to excavate the rest of the tunnel. The read more ..

Guest Aug 15, 2018

0

920

1

+210

please consider helping.

Two numbers, x and y are selected at random from the interval (0, 3). What is the probability that a triangle with sides of length 1, x, and y exists?

ColdplayMX Aug 15, 2018

+1

892

1

+210

Please consider helping.

Allen and Bethany each arrive at a party at a random time between 1:00 and 2:00. Each stays for 15 minutes, then leaves. What is the probability that Allen and Bethany see each other at the party?

I know you are supposed to graph read more ..

ColdplayMX Aug 15, 2018

+1

1260

1

+210

Please consider helping.

Bin A has one white ball and four black balls. Bin B has three balls labeled $1 and one ball labeled $7. Bin W has five balls labeled $8 and one ball labeled $500. A game is played as follows: a ball is randomly selected from read more ..

ColdplayMX Aug 15, 2018

-1

932

3

+71

Solve please

1) 3x^2 + 81=0
2) 6x^2 = -126
3) (1/4)x^2 + 12=0
read more ..

Mathrules Aug 15, 2018

Aug 14, 2018

0

957

5

+210

Need help with this Expected Value prob

A fair 6-sided die is rolled. If I roll , n then I win n^2 dollars. What is the expected value of my win? Express your answer as a dollar value rounded to the nearest cent.

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ColdplayMX Aug 14, 2018

+1

1958

3

+537

Some Probability help

If six people decide to come to a basketball game, but three of them are only 2/5 sure that they will stay for the entire time (the other three are sure they'll stay the whole time), what is the probability that at the end, at least 5 people stayed the read more ..

MathCuber Aug 14, 2018

0

1314

3

Who is Leonhard Euler?

Who is Leonhard Euler and what are his contributions to mathematics?

Guest Aug 14, 2018

0

14302

1

Given: m∠A + m∠B = m∠B + m∠C

Given: m∠A + m∠B = m∠B + m∠C
Prove: m∠C = m∠A
Write a paragraph proof to prove the statement.

Guest Aug 14, 2018

0

738

1

+642

steps on how to solve?

cerenetie Aug 14, 2018

0

681

1

+642

hello need help with these questions

cerenetie Aug 14, 2018

0

1171

4

Need help asap

Find all solutions of the equation(answers)
|x^2 - 14x + 29| = 4
Discuss whether or not your solution generates extraneous solutions.

Guest Aug 14, 2018

+3

2312

2

+210

I feel like I'm posting too many questions!!!

Joe wants to find all the four-letter words that begin and end with the same letter. How many combinations of letters satisfy this property?

BTW If you're reading this you're a legend.

ColdplayMX Aug 14, 2018

+1

2072

2

+210

Help!!!

A target consists of four concentric circles with radii 4 inches, 6 inches, 8 inches and 10 inches as shown. Given that a dart is thrown that hits the target at a random point, what is the probability that it hits a shaded region? Express your answer as read more ..

ColdplayMX Aug 14, 2018

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