12/12/14
Which of the following is true about the function below? 1/vx-6
2. Which of the following is true about the function below? 1/√x-6Its domain is (6, ∞) and its range is (-∞, ∞).Its domain is [6, ∞] and its range is (-∞,0) U (0, ∞) .Its domain is (6, ∞) and its...
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12/10/14
7.1 m 4.9 m 3.4 m 7.3 m Perimeter = m Area = m^2
I have no idea how to do this please help!!!!
12/09/14
suppose it costs 28 cents, 21 cents, and 16 cents per mile to drive at 10, 20, and 30 mph. Write the quadratic equation for this function.
suppose it costs 28 cents, 21 cents, and 16 cents per mile to drive at 10, 20, and 30 mph. Write the quadratic equation for this function.
12/09/14
Find all solutions in [0, 2pi] for 2sin(x-pi/4)
Find all solutions in [0, 2pi] for 2sin(x-pi/4).
Not really sure where to go with this problem. Possible addition/subtraction formula but again Im not really sure! Thanks!
12/09/14
If a cost function is C(x) = (1000 ln x)/ (100-3x)^1/2, find the marginal cost when x=25.
A cost function
12/09/14
In my family, the girls have twice as many sisters as brothers and the boys have one-third as many brothers as sisters
In my family, the girls have twice as many sisters as brothers and the boys have one-third as many brothers as sisters?
12/09/14
solve word problem??
A box contains 3 red pencils, 4 green pencils, and 13 blue pencils. Consider the following game: without looking, pick a pencil from the box; if it is red, you win $12, and if it is green, you win...
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12/09/14
solf word problem??
Consider a game in which you roll a die. You win $1 if you roll a 4, $2 if you roll a 5, and $4 if you roll a 6. What is the expected value for this game? (Enter the dollar value as just a number,...
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12/09/14
Solve ?ABC............................
Solve ΔABC. (Round your answers for b to one decimal place. Round your answers for β and γ to the nearest 10 minutes. If there is no solution, enter NO...
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12/09/14
Write a polynomial function of least degree with rational coefficients so that P(x)=0 has the givin roots
x=-1, x=10. (type an expression using x as the variable. do not factor.)
12/08/14
Math help!
Write the ellipse equation if it contains the points A(0,-2), B(-6,2). I get an equation but I don't think it's right.
12/08/14
Function Sketching
Sketch one period of the function given, State what the amplitude, phase, shift, period, and vertical translation are. Plot the five points.
y= -cos(2x-pi).
Please tell me step by step and...
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12/08/14
If sin a = - 4 5 and sec ß = 5 3 for a third-quadrant angle a and a first-quadrant angle ß, find the following.
If sin α = − 4 5 and sec β = 5 3 for a third-quadrant angle α and a first-quadrant angle β, find the following.
*Please give correct answer so i can be able to check it with my...
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12/08/14
If a and ß are acute angles such that cos a = 15 17 and tan ß = 4 3 , find the following.
If α and β are acute angles such that
cos α =
15
17
and tan β =
4
3
,
find the following.
*Please give correct answer so i can be able to check it with...
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12/08/14
Find the error bounds for the proportion in which p=0.3, n= 80, and 95% confidence level.
This comes from my Finite Math 154 class.
Proportions.
12/08/14
word problem
The speed of a stream is 2 mph. a boat travels 9 miles upstream in the same time it takes to travel 13 miles downstream. what is the speed of the boat in still water
12/06/14
Business math <>
A loan of $50,000 at 7% is due in 16 months. Find the present value of the loan if the time value of money is 10%.
12/06/14
High School Math Help
The height of two different projectiles after they are launched are modeled by f(x) and g(x). The function f(x) is defined as f(x)=-16x2+42+12. The tables contain the value for the quadratic...
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12/05/14
Find the upper and lower bounds..
Applying the first theorem on bounds for real zeros of polynomials, determine the smallest and largest integers that are upper and lower bounds, respectively, for the real solutions of the...
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12/05/14
Business math word problem
Find the maturity value of a $32,000 loan that is made for 6 years at 12%.
12/05/14
use the given information to find each value
A) cos 2t B) sin 2t C)cos (t/2) D)sin (t/2) Cos t =3/5, where 0 < t < pi/2 Sin t = -3/5,where pi < t < 3pi/2
Math help!
Write the equation of the ellipse, if the distance between the focal points is 8 and the point M(15,-1) belongs to the ellipse.
12/05/14
Business math Word problem
A loan of $40,000 at 6% is due in 16 months. Find the present value of the loan if the time value of money is 10%.
12/04/14
Write an algebraic expression for the area of the pool’s border. Identify all variables
Suppose you and your spouse have just put in a new 30’ by 35’ in-ground pool. While the pool itself was within budget, you and your spouse have a disagreement on how you want to border the four...
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12/03/14
Math final question
In a chemistry class, 9 liters of a 4% silver iodide solution must be mixed with a 10% solution to get a 6% solution. How many liters of the 10% solution are needed?
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