All Questions

805

Trigonometry

How would I write the cosine law if I was trying to find theta given all sides?

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Guest Oct 18, 2017

866

+394

help

If a range hood removes contaminants at a flow rate of F liters of air per second, then the percent P of contaminants that are also removed from the surrounding air can be modeled by P = 1.05F + 17.64, where F is between and inclusive of 10 and 75. What read more ..

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ladiikeiii Oct 18, 2017

897

+394

help, can't figure this out

If a range hood removes contaminants at a flow rate of F liters of air per second, then the percent P of contaminants that are also removed from the surrounding air can be modeled by P = 1.12F + 18.40, where F is between and inclusive of 5 and 65. read more ..

hectictar ●

ladiikeiii Oct 18, 2017

859

HELPPPPP!!! PLSSS

what is 5 +or- square root of 36

hectictar ●

Guest Oct 18, 2017

1030

+647

cherrys

Let S be a subset of {1, 2, 3, ... 100}, containing 50 elements. How many such sets have the property that every pair of numbers in S has a common divisor that is greater than 1?

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waffles Oct 18, 2017

1280

14.8 times what would get me to a whole number?

14.8 times what would get me to a whole number?

pls help meh

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Guest Oct 18, 2017

975

algebra 1

what is the range of x+3y=-8 when the domain is x (>=) 0

geno3141 ●

Guest Oct 18, 2017

982

5j+6c=32

5j+6c=32
1j+3c=10

geno3141 ●●

Guest Oct 18, 2017

Oct 17, 2017

6634

If f(x)= then f'(2)= ?

If then f'(2)= ?

just not sure what to do after that

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Guest Oct 17, 2017

2379

+655

Hard Probability Problem

The Giants and Royals are playing in the World Series. In the World Series, the two teams play repeatedly until one team has won 4 games. Suppose each team has a 1/2 probability of winning each game. If the World Series lasts exactly 6 games, what is the read more ..

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supermanaccz Oct 17, 2017

1099

+4623

prove the inequality

Prove the inequality:

Alan ●●●●●

tertre Oct 17, 2017

810

+4623

Find the miminum such that for natural numbers.

Find the miminum such that
for natural numbers.

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tertre Oct 17, 2017

810

slope-intercept is y=mx+b. How would you put (0,1) and (-3,-2) in the equation?

hectictar ●

Guest Oct 17, 2017

827

what is the formula for point-slope, the question is (0,4) and (-5,5) it says to write an equation in point slope form

what is the formula for point-slope? The question is (0,4) and (-5,5) it says to write an equation in point slope form?

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Guest Oct 17, 2017

1067

+394

help

help can't seem to find the correct answer.

On a world globe, the distance between City A and City B, two cities that are actually 10,670
Kilometers apart is 13.4 inches. The actual distance between City read more ..

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ladiikeiii Oct 17, 2017

768

+31

Help!

In a cylinder it is expanciona until its volume is doubled 2mol of an ideal monoatomic gas initially with 1MPa of pressure and 300 degrees Kelvin of temperature. Calculate the work done if the exancion is: a) isotherm. b) Adiabatico. c) isobaric. (d) in read more ..

dimcorak Oct 17, 2017

745

what is the solution set of the equation 4^2-9=0

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Guest Oct 17, 2017

841

I need the answer. this one really put me crazy. just an example from teacher. need an answer. thank you!

a tree 100 feet tall casts shadow 120 feet long. Find the angle of elevation of the sun

hectictar ●

Guest Oct 17, 2017

966

What is the Mass of the sun, multiplied by the density of a black hole, divided by pi, multiplied by the square root of a prime number

What is the Mass of the sun, multiplied by the density of a black hole, divided by pi, multiplied by the square root of the largest known prime number

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Guest Oct 17, 2017

-1

1305

+41

help me plz

calculate the acceleration of a 82kg couch that is pushed across the floor with an unbalanced force of 21 N

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jordanh Oct 17, 2017

1390

0 divided by 0

This is a question that no one probably knows. What is 0 divided by 0? Just a extra, I think it's 0, because when 0 is put into 0 groups there is 0 in each group. But that might be wrong, because if scientists and mathematicians were solving it that way, read more ..

TheXSquaredFactor ●●●●●●

Guest Oct 17, 2017

1614

Jamilla is building a square sandbox with sides 8 feet long. She wants to put sand 2 feet deep in the box. How much sand should Jamilla orde

Jamilla is building a square sandbox with sides 8 feet long. She wants to put sand 2 feet deep in the box. How much sand should Jamilla order?

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Guest Oct 17, 2017

585

Test Statistic

The number of events is 1919, the number of trials is 100100, the claimed population proportion is 0.310.31, and the significance level is 0.050.05. What is the test statistic?

Guest Oct 17, 2017

All Questions ⁺⁰237665 Questions

Trigonometry

help

help, can't figure this out

HELPPPPP!!! PLSSS

cherrys

14.8 times what would get me to a whole number?

algebra 1

5j+6c=32

If f(x)= then f'(2)= ?

Hard Probability Problem

prove the inequality

Find the miminum such that for natural numbers.

slope-intercept is y=mx+b. How would you put (0,1) and (-3,-2) in the equation?

what is the formula for point-slope, the question is (0,4) and (-5,5) it says to write an equation in point slope form

help

Help!

what is the solution set of the equation 4^2-9=0

I need the answer. this one really put me crazy. just an example from teacher. need an answer. thank you!

What is the Mass of the sun, multiplied by the density of a black hole, divided by pi, multiplied by the square root of a prime number

help me plz

0 divided by 0

Jamilla is building a square sandbox with sides 8 feet long. She wants to put sand 2 feet deep in the box. How much sand should Jamilla orde

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