06/23/16

is there anything that could not be modelled using algebra?
help me plz...i have a test do....i dont get this question??
Follows • 2
Expert Answers •1

06/23/16

math help!!
Prove the identity 1 + cosθ = sin^2θ ÷ 1-cosθ
Follows • 2
Expert Answers •1

06/22/16

Find a polynomial of degree 3 with real coefficients and zeros of -3,-1 and 4 for which f(-2)=24
find a polynomial of degree 3 with real coefficients and zeros of -3, -1 and 4, for which f(-2)=24
Follows • 3
Expert Answers •2

06/22/16

word problem
To remind himself of where he buried his treasure, a pirate made this map. He made two of the statements true and one statement false to confuse his enemies in case they captured the map. How will... more
Follows • 2
Expert Answers •1

06/22/16

Find the horizontal distance the ball covers.Assume the height is zero when the ball is kicked and when the ball is caught.
h(X)=-1/2(x-20)^2 +50
Follows • 2
Expert Answers •1

06/22/16

how do u calculate dosage of medication for a 6 year old child if the adult dosage is 180 milligrams
 Calculating medication dosage
Follows • 4
Expert Answers •1

06/22/16

(cos x/ 1+ sin x) + (1+sin x/cos x)= 2 sec x
How would I prove this identity  
Follows • 2
Expert Answers •1

06/22/16

Tan x sin x + cos x= sec x
I have to prove that the identity is correct. But not quite sure how to do so. 
Follows • 3
Expert Answers •2

06/22/16

If F(x)=2x+4 and g(x)=3x-7 find f(x)/g(x)
 In order to solve this problem what Math Skills are necessary?yes there was a Typo Arturo. sorry.
Follows • 3
Expert Answers •2

06/22/16

The coordinate p = (a,0 is at an equal distance from origo as the coordinate Q = (3, 4). Solve algebraically possible values for a.
That is my question, i think i need to use pythagorean theorem? The distance formula? This is a question on linear functions.
Follows • 3
Expert Answers •2

06/22/16

Word Problem
A jumbo jet carries 310 passengers, 26 in first class, and the remainder in coach. If the average first class ticket is $590 and the average coach ticket is $274, how much gross revenue will the... more
Follows • 2
Expert Answers •1

06/21/16

Find the probability that the roots of the equation h(t)=0 are real where h(t)=t^2+2tx+y
assume that x and y are independent with x ~EXP(2) and Y~Exp(1) Find the probability that the roots of the equation h(t)=0 are real where h(t)=t^2+2tx+y   Could you please help me how can I find... more
Follows • 2
Expert Answers •1

06/21/16

Exponential decay
42 Gram sample of a substance that used to treat thyroid disorders has a k-value of .124 find the half life in days to the nearest tenth  
Follows • 2
Expert Answers •1

06/21/16

Starting elevation 773 ft, increase 490 ft, decrease 721 ft, increase 191 ft. What is the ending elevation?
I need help with linear word problems
Follows • 2
Expert Answers •1

06/21/16

(4*(7/2))+((7+3)*(1/2))
Is the final answer twenty? I think i did the order correctly and that is my answer
Follows • 3
Expert Answers •2

06/21/16

word problem
when three resistors are connected in series their resistors are added to produce a total resistance of 970.  One of them has a resistance of 530 and the others have resistance levels equal to each... more
Follows • 2
Expert Answers •1

06/21/16

one estimate is 3,000 another is 4,500 what percentage higher
one estimate is 3,000  second is 4,500  how percent higher is the second quote?
Follows • 2
Expert Answers •1

06/21/16

The hypotenuse of a right triangle measures 20m. If one leg of the triangle is 4m longer than the other leg, find the lengths of the two legs
So I have a test on Thursday a math exam and I just don't understand this question I need help please help me with his question 
Follows • 3
Expert Answers •2

06/21/16

A sample of nitrogen gas has a pressure of 2.50 atm at a temperature of 250C. What temperature is required to increase the pressure to 4.00 atm
A sample of nitrogen gas has a pressure of 2.50 atm at a temperature of 250C. What temperature is required to increase the pressure to 4.00 atm, assuming the volume is fixed and the amount of gas... more
Follows • 2
Expert Answers •1

06/20/16

Math Help Please!!
Scientists at the local university are studying a highly toxic radioactive compound. They have a 200-g sample. They will place this compound in a chamber to be tested. After 3 h, 140 g of the... more
Follows • 4
Expert Answers •3

06/20/16

Find the equation of the circle in standard form for the given center (h,k) and radius r: (h,k) = (5,4), r=2
Find the equation of the circle in standard form for the given center (h,k) and radius r: (h,k) = (5,4), r=2
Follows • 2
Expert Answers •1

06/20/16

If 0.550 grams of a gas occupies 0.200 L at 0.968 atm and 289 K, what is the molecular mass of the gas?
If 0.550 grams of a gas occupies 0.200 L at 0.968 atm and 289 K, what is the molecular mass of the gas?
Follows • 2
Expert Answers •1

06/20/16

A boy rides a bike 8 miles. The trip would have taken 20 minutes less if he had ridden 2 miles per hour faster. Find his actual speed.
Algebraic question, possibly including the discriminant and/or quadratic formula, because this question was under the quadratic formula category.
Follows • 2
Expert Answers •1

06/20/16

The volume of a sample of gas is 200 mL at 275 K and 0.891 atm. What will the new volume of the gas be at 770C and 98.5 kPa?
The volume of a sample of gas is 200 mL at 275 K and 0.891 atm. What will the new volume of the gas be at 770C and 98.5 kPa?
Follows • 2
Expert Answers •1

06/20/16

An aqueous solution of X is 3 molal. find mole fraction of X
Please solve this question and give details of solutions. 
Follows • 2
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.