Farmer has goats and chickens in his fenced barnyard. Tiny Tim can only see under the fence and counts 72 feet. Tall Tony can see over the fence and counts 26 heads. How many chickens does farmer have in his fenced barnyard?
2. Subtract the matrices: [-1 7] [-6 -9] [11 6] [-3 4] 3. Find the product: (-6) (-1) (7) (-11) 4. What is the correct way to read "-x" aloud? 5. Solve for b: D=abc 6. Solve for r: 20q+2r=4 7. 5-4(x-5) =9 9. Solve: 4(x-5) =4x-20 Solve for p: 5.5pr=3x-7pr=11q2+10pr In 19
(See attached file for full problem description) --- 1. Simplify the following expression and express the answer so that all exponents are positive 4x^-2 (y z)^-1 2^3 x^4 y 2. Show that the product of the roots of a quadratic equation ( A x^2 + Bx + C = 0 ) is C A 3. Solve the followi
I have this problem need to proof, but it does not give the logarithm base. Hope you can help on it. Please see attached file.
Are there any cases when you simplify an expression, you end up with just numbers? Could you give examples please?
Sammy knows he will get 500 regular car wash customers, and 300 deluxe was customers. the best price for the deluxe wash is 40% higher than the regular wash. What price should he set in order to make a $1000.00 this month?
A town of population size 100,000 has 3 newspapers: A, B, and C. The proportion of people who read these people are as follows; Newspaper A: 25% Newspaper B: 27% Newspaper C: 33% Newspaper A and B: 12% Newspaper A and C: 8% Newspaper B and C: 10% Newspaper A and B and C: 5% (a) find the number of peopl
A system is composed of 5 components, each of which is either working or failed. Consider an experiment that consists of observing the status of each component, and let the outcome of the experiment be given by the vector: (x_1, x_2, x_3, x_4, x_5) where x_i (note, the subscript is the letter " i ", not 1)
(See attached file for full problem description) --- 5y -7 + y=7y + 21 -5y Clear fractions or decimals first. x - + x = + x 0.96y - 0.79 = 0.21y + 0.46 5(t + 3) + 9 = 3(t-2) + 6 13 - (2c + 2) = 2(c + 2) + 3c 46. 112 Ax + By = c, for y The number of calories K need
(See attached file for full problem description with proper symbols) 75. Jennifer's calculator gives a decimal approximation for and that approximation is promptly squared, the result is 2. Yet, when that same approximation is entered by hand and then squared, the result is not exactly 2. Why do you suppose this happens?
Mathematics, Algebra Year 2 Please see attachment for additional questionaires. Please ask DR> SHARMA to handle this. Thanks! -------------------------------------------------------------------------------- Q # 4. The loudness of sound is based on intensity level measured in decibels using a logarithmic scale and is rel
***See the attached files for more information. Q # 4. The loudness of sound is based on intensity level measured in decibels using a logarithmic scale and is relative to (a ratio of) the weakest sound the ear can hear? Research how sound is measured. Answer the following: ? The formula for measuring sound. ? Pick a sp
Q # 1. While the radical symbol is widely used, converting to rational exponents has advantages. Explain an advantage of rational exponents over the radical sign. Include in your answer an example of an equation easier to solve as a rational exponent rather then a radical sign. See attached for Q # 2: Using the quadratic
Why is the sharpness of the bound in (a) [(n-1)/2]'=1/2.? What does this mean: sharpness?
Using the theorems from Graph and Digraphs 4ed by G. Chartrand and L. Lesniak: 1 - (a) Let G a graph of order n such that deg v greater than or equal to (n-1)/2 for every v element of V(G). Prove that G is connected. (b) Examine the sharpness of the bound in (a). 2 - Prove the every graph G has a path of length sigma
How to solve a general quadratic equation for x to find the quadratic formula.
Remove Parentheses and simplify 1. (-8x + 5y - 12) - 6(2x - 4y -10) 2. [6(x + 4) - 12] - [5(x-8) + 14] 3 2 4 + 10 * 20 + 8 - 23 * it means dot but I couldn't fit on key. 3. 4 * (6 + 8)/(4 + 3) 4. -32 - 8 divide 4 - (-2) 2 3
Multiply. I need to evaluate 2 2 (-2x) and -2x when x=3. 2 2. 2x when x=5 and when x= -5 Rewrite the division as a multiplication -5 divide (-5 ) 9 6 4. -44.1 divide (-6.3) 5
Substitute t find values of the expressions in each of the following applied problems. 1. the simple interest I on a principal of P dollars at interest rate r for time t, in years, is given by I=Prt. Find the simple interest on a principal of $4800 at 9% for 2 years. I know that I would use the calculation as 9%= 0.09 2.
(See attached file for full problem description) Problem 11 Nestle has two European manufacturing plants (A and B) which produce 900000 and 1000000 pounds of chocolate per month. They distribute this product through three wholesalers (1, 2, and 3). For September, the wholesale demand for product is 500000, 8500
10. Consider the Dynamic Problem of a Consumer/Investor: .... s.t. at = ? ... where ct is consumption at time t, at is assets at the beginning of period t; and the gross interest rate R > 1 are given. (a) Write down the above sequence problem as a functional equation problem. Which variable is the state? (b) Assuming the pr
9. Suppose that a point (X, Y) is chosen at random from the rectangle S = {(x, y) 0 ≤ r ≤ 2 and 1 ≤ y ≤ 4}. (a) determine the joint pdf of X and Y, the marginal pdf of X and the marginal pdf of Y. (b) Are X and Y independent? Uncorrelated? keywords: probability density functions
Which of the following functions is one-to-one? onto? 1. f: R^+---->R^+ given by f(x)=x^2 - x +1 2. g: R^2----->R^2 given by 2x2 matrix 2 -1(as the first row) and 4 -2(as the second row)
I don't know how to show the following are equivalence relations and if they are, how to describe equivalence classes. 1. a^2 + b^2=c^2 + d^2 where a,b,c,d are real numbers(describe equivalence cl) 2. For a pair of fractions a/b and c/d define a/b ~ c/d if ab=cd(same here)
What is the area of the shaded region between the two squares One smaller square is inside a larger square. The remaining open area is the shaded region. What is the area of this shaded region? smaller square: each side is 3.2cm larger square: each side is 9.5cm
Log 100
1) Using the quadratic equation x2 - 4x - 5 = 0, perform the following tasks: a) Solve by factoring. b) Solve by completing the square. c) Solve by using the quadratic formula. 2) For the function y = x2 - 4x - 5, perform the following tasks: a) Put the function in the form y = a(x - h)2 + k. b) What is the equ
1) Using the quadratic equation x2 - 4x - 5 = 0, perform the following tasks: a) Solve by factoring. Answer: Show work in this space. b) Solve by completing the square. Answer: Show work in this space. c) Solve by using the quadratic formula. Answer: Show work in this space 2) For the
Write the equation of a. a circle centered at (3,4) with a radius 5 (See attached file for full problem description)