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1647

+1713

Standard Deviation stuff

The following data points are the number of games pitched by each of the Greenbury Goblins' starting pitchers last season.
3,2,4,7
Find the standard deviation of the data set.
Round your answer to the nearest hundredth.
read more ..

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tommarvoloriddle Aug 19, 2019

826

Help please.

can you solve the initial value problem for:

dy/dx= xy-2x+y-2 , y(2)= -1 read more ..

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Guest Aug 19, 2019

Aug 18, 2019

740

halp plz

Let and . What is ?

would the answer be -9???
THX IN ADVANCE read more ..

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Guest Aug 18, 2019

1387

please help

When two consecutive whole numbers are randomly selected, what is the probability that one of them is a multiple of 4? Express your answer as a common fraction.

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Guest Aug 18, 2019

824

help please

The graphs of and are drawn. For every , a vertical segment connecting these two graphs can be drawn as well. Find the smallest possible length of one of these vertical segments.

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Guest Aug 18, 2019

660

this is a repost srry to bother

I asked a question and I am srry that I am repeating this but I am SO confused and it is due tommarow. if you could help it would be amazing. thx

https://web2.0calc.com/questions/halp-plz_6
read more ..

off-topic

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Guest Aug 18, 2019

1881

+541

Combinatorics

Elrond is organizing a council in Rivendell. He has invited two men, two dwarves, and two elves, and plans to seat them along with himself in a circle with seven seats. He knows that dwarves and elves do not get along, so he plans to seat them so that no read more ..

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xXxTenTacion Aug 18, 2019

853

Halp asap

Let and Find

Plz help asap.
Thx in advance read more ..

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Guest Aug 18, 2019

813

please help, thank you

An automatic car wash charges $6 to wash sedans and $8 to wash SUVs. In one day, 120 sedans and SUVs were washed, earning $856. How many SUVs were washed?

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Guest Aug 18, 2019

885

help

Simplify ( is imaginary)

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Guest Aug 18, 2019

813

+142

Find all angles theta, 0<=theta<=2pi with the following property:

Find all angles theta, 0<=theta<=2pi with the following property: For all real x, 0<=x<=1: x^2 * cos theta - x(1 - x) + (1 - x)^2 * sin theta > 0

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LeoIsTheBest Aug 18, 2019

1098

+142

In equilateral triangle ABC let points D and E trisect BC. Find sin DAE.

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LeoIsTheBest Aug 18, 2019

Aug 17, 2019

506

can someone explain this statement better so i can understand

In (F (E, E), ∘) every permutation is regular. More generally, an injective application is regular on the left while a surjective application is regular on the right.

Guest Aug 17, 2019

497

math help

thank you

math help
consider the quadratic function whos graph is shown read more ..

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Guest Aug 17, 2019

728

halp plz

Given that where , what is the range of on the interval ?

I don't know how to solve this. I am not that good at functions.
I saw a previus answer, and it was wrong. <read more ..

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Guest Aug 17, 2019

1180

Please help

Let $f(x) = (x+2)^2-5$. If the domain of $f$ is all real numbers, then $f$ does not have an inverse function, but if we restrict the domain of $f$ to an interval $[c,\infty)$, then $f$ may have an inverse function. What is the smallest value of $c$ we can read more ..

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Guest Aug 17, 2019

844

Help!!

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Guest Aug 17, 2019

545

Help needed

Is there way to simplify this? http://imgur.com/a/TiyPfUN

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Guest Aug 17, 2019

845

Help me please

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Guest Aug 17, 2019

465

Help

Let wq w qw q qw q wq w

Guest Aug 17, 2019

828

Here is a quick question. thx

What is the maximum value of the expression for real ?

thx in advance

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Guest Aug 17, 2019

1076

Appreciate the work

Find the volume of material used to construct the Red Pyramid in Cairo, given that it has a height of 105m, a base length of 220m, and is estimated to be 96% solid

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Guest Aug 17, 2019

802

Any Help Would be Appreciated

For a certain hyperbola x^2/a^2 - y^2/b^2 = 1,
where a>b the angle between the asymptotes is 60 degrees Find a/b

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Guest Aug 17, 2019

1696

+541

Complementary Counting

Six cars pull up to a red light, one at a time. At the light, there are three lanes, one left-turn lane, one straight-going lane, and one right-turn lane. How many ways can the cars stack up so that all three lanes are occupied?
Note that if the first read more ..

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xXxTenTacion Aug 17, 2019

2269

+541

help me

How many 4-digit numbers have the last digit equal to the sum of the first two digits?

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xXxTenTacion Aug 17, 2019

All Questions ⁺⁰237722 Questions

Standard Deviation stuff

Help please.

halp plz

please help

help please

this is a repost srry to bother

Combinatorics

Halp asap

please help, thank you

help

Find all angles theta, 0<=theta<=2pi with the following property:

In equilateral triangle ABC let points D and E trisect BC. Find sin DAE.

can someone explain this statement better so i can understand

math help

halp plz

Please help

Help!!

Help needed

Help me please

Help

Here is a quick question. thx

Appreciate the work

Any Help Would be Appreciated

Complementary Counting

help me

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