AltShaka

39 Questions
142 Answers

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918

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Question
The Mitchell family and the Jenkins family each used their sprinklers last summer. The water output rate for the Mitchell family's sprinkler was
30L read more ..

AltShaka Jun 2, 2020

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663

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Final

Final question:

AltShaka May 22, 2020

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1235

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Question

Sorry for having soo many questions but please help!
The data set below has 7 values. Find the mean absolute deviation for the data set.
If necessary, round your answer to the nearest hundredth.
23, 14, 26, 17, 19, 19, 15 read more ..

AltShaka May 22, 2020

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1204

6

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Help

Another question. i just need a hint, like how to solve it.
The ages of the members of four teams are summarized below. Answer the questions about them.
Team A: The mean age is 44 and the range of ages is 22
Team B: The mean age is 40 read more ..

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AltShaka May 22, 2020

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583

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Could you please help on this questsion? Thank you!!

AltShaka May 22, 2020

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1440

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When this net of six squares is cut out and folded to form a cube, what is the product of the numbers on the four faces adjacent to the one labeled with a "1"?
[asy]
draw(unitsquare);
draw(shift(1,0)*unitsquare);
draw(shift(1,-1)*unitsquare); <#> draw(shift(1,1)*unitsquare); <#> draw(shift(2,1)*unitsquare); <#> draw(shift(2,2)*unitsquare); <#> label("4",(0.5,0.5)); <#> label("5",(1.5,0.5)); <#> label("6",(1.5,-0.5)); <#> label("3",(1.5,1.5)); <#> label("2",(2.5,1.5)); <#> label("1",(2.5,2. read more ..

AltShaka May 12, 2020

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2103

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If a fair coin will be flipped three times, what is the probability of flipping at least two heads in a row? Express your answer as a common fraction.

AltShaka May 12, 2020

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755

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Helpp

Sohan rolled a number cube 90 times. The outcome of "6" occurred 18 times. Is the theoretical probability smaller or larger than the experimental probability.

AltShaka May 8, 2020

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629

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Question

Sohan rolled a number cube 90 times. The outcome of "6" occurred 18 times. Is the theoretical probability smaller or larger than the experimental probability.

I dont really get how to start this problem?

AltShaka May 8, 2020

-1

740

5

+422

Help

A bag contains these beads: 4 white, 6 red, 5 yellow, 5 blue. One bead is selected, KEPT, and another bead is selected. Find P(blue, then blue)

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AltShaka May 8, 2020

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612

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+422

Help

https://web2.0calc.com/questions/help_63419.
The answer in this is wrong? I have tried to do it by doing it there way but it didnt work? Could anyone pls help?

AltShaka May 7, 2020

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634

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Helpp

I have 5 different biology textbooks and 4 different economics textbooks. In how many ways can I place the 9 textbooks on a bookshelf, in a row, if there must be an economics textbook in the middle, and there must be a biology textbook at each end? read more ..

AltShaka May 7, 2020

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763

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Helpp

A game requires players to roll 2 number cubes to move the game pieces. The dice are labeled from 1 through 6. What is the probability of rolling a 2 or 4 on the first roll, then a 5 on the 2nd roll?

AltShaka May 4, 2020

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591

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Math question

Suppose that a is inversely proportional to b. If a=4 when b=9, find a when b=-72.

AltShaka May 1, 2020

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608

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help

I cant think of how to do this question so some help would be apriciated
What number can be placed in the box, so that the resulting quadratic expression is the square of a binomial?

AltShaka May 1, 2020

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569

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Helpp

A right triangle has legs of length 6 and b, and a hypotenuse of length c. The perimeter of the triangle is 18. Compute c.
I dont honestley get how to do this question so i need some hints pls!

AltShaka May 1, 2020

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647

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Same question

Parlov I didnt see any? may you pls post a link that might help?

Question:
Find all complex numbers z such that z^4 = -4.
Note: All solutions should be expressed in the form a+bi, where a and b are real numbers. read more ..

AltShaka Apr 21, 2020

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750

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Question

Find all complex numbers z such that z^4 = -4.
Note: All solutions should be expressed in the form a+bi, where a and b are real numbers.

So i know that z^4 = -4. I also know that z is a complex number. I dont really know what read more ..

AltShaka Apr 21, 2020

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1066

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Math

Find the number of ordered pairs (a,b) of integers such that
I don't know where to start. I only got two solutions (4, 2) and (-2, 0)
by just trying to find ordered pairs a and b where the expression (which is b) and are integers, but 2 read more ..

AltShaka Apr 20, 2020

+422

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Nice try though cal!

AltShakaMar 31, 2020

+422

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Wait what does it mean by half-life? Does it mean that its half of the life span?

AltShakaMar 31, 2020

+422

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Thank you! Its okay I got 8 though and it was right?

AltShakaMar 31, 2020

+422

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Hmm not to give free answers? I already solved it! If you look on your account havent you only been asking for free answers?

AltShakaMar 30, 2020

+422

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Hmm but this question is different

AltShakaMar 29, 2020

+422

0

Hmm cphill how did you s***w up on the first one?? Its 35 since -17 is the 36th!

AltShakaMar 26, 2020

+422

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AltShakaMar 26, 2020

+422

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Hey guest! Im pretty sure the scale factor is when you find two corresponding sides then use the ratio right? Well im pretty sure the scale factor in this question is 6:9 which can be simplified into 2:3. Which means that the scale factor is 2:3? I think.

AltShakaMar 24, 2020

+422

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Hey guest! Lets start! First the way I learend it is that you first make it all that he bought kid tickets. If he only bought kid tickets it would cost him $58.50. Then you subtract 69.50 and 58.50 which gets you 11. Then you subtract 9.25 from 6.50 to get 2.75. Then you divide 11 by 2.75 which gets you 4! That means that he bought 4 adult tickets! Lets see if we are correct!

4*9.25=37. Then 6.50*5=32.5. 37+32.50=69.50! So he bought 4 adult tickets!

AltShakaMar 24, 2020

+422

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Lol this was a nice one! The first guy didnt see it coming!

AltShakaMar 23, 2020