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Suppose its heating source is 65% efficient. How much money saved on the annual basis suppose that natural gas price is $0.65/therm by increasing to R- 12?
The building has 25 windows each with 8 ft2 area. The U-value is 0.4 Btu/(hr ft2°F). In the region with 7000 heating degree days annually, find the annual heat loss.
he air conditioning system requires to bring air at 73 °F and 80% relative humidity (17 g water/kg air is saturated) to 55 °F at 100 % relative humidity (10 g water/kg air is saturated) at t
Determine the polynomial of form a + bx + cx2 that passes through points (1,0), (2,1) and (3,1). Illustrate that given any three points P, Q and R in R2, no two of which are vertically aligned.
Illustrate that inverse of the elementary matrix is also the elementary matrix. Illustrate that the matrix is invertible if and only if it can be written as the product of elementary matrices.
Derive from part (i) that for all n in N, there exist n consecutive positive integers which are not prime, that is, set of prime integers has arbitrarily large gaps.
As condo is very small, they hope to move into the single-family house in five years. How much will the condo worth in five years if inflation is expected to be 8%?
China arrives on 11/21 and Diane wishes to take advantage of cash discount. As bookkeeper for Diane's how much will you send supplier?
The 7% coupon bonds of godfrey printing co are seling for 102% of par or face value. Bonds mature in six years and pay interest semiannually. Calculate yield to maturity?
Assume that you took out the loan at 12% interest for 200 days. If amount of interest was $690.41, use exact interest method to determine amount of principal you borrowed.
Then a and b represent "cost per dollar of income" for two products. Find x1 and x2, dollars worth of every product produced. Include the vector equation as part of the solution.
Find whether relation R on set of all Web pages is symmetric, reflexive, anti-symmetric, and/or transitive, where (a, b) Compute whether relation R on set of all R if and only if.
Jones Brothers Clothing just issued preferred stock with the face value equal to $80 which pays the 10% annual dividend. If stock presently yields 8%, determine its market value?
Find value c such that P(X < c) = 0.33? Write the answer to 4 decimal places. Find probability that X falls within 0.36 minutes of its mean? Write answer to 4 decimal places.
Determine average rate of change in unit price of the tent if quantity demanded is between the given intervals. Find rate of change of unit price if quantity demanded is 5200?
Calculate density function of length of time the machine functions. Find probability the machine lasts at least two years?
Assume that a is in Sn, |a| is odd and in disjoint cycle decomposition of the a, there are at least 2 different cycles of given length l. Verify that there exists odd permutation b in Sn such that a
Assume f(-1) was overstated by 2 and f(1) was understated by 3. Find error in original computation of value of interpolating polynomial to approximate f(0).
Assume you withdraw $100 every month from the account with initial balance of $10,000. If annual rate of interest is 4%, how long it takes to have $1,000 in the account?
Set up the matrix B and the vector u such that Bu provides amounts of calories, protein, fiber, and fat contained in the mixture of 3 servings of Shredded Wheat and two servings of Crispix.
Consider S be the linearly independent set of 2x2 matrices. Find maximum number of matrices in S? What if S was the set of linearly independent mxn matrices?
Find total revenues for break-even quantity? Find total costs for the break-even quantity? Also give the break-even point graph. Find anticipated utilization?
TwitterMe, Inc., is the new company and presently has negative earnings. Company's sales are $2,400,000 and there are 190,000 shares outstanding. If benchmark price-sales ratio for company is 4.6, h
Lasa 2: exponential growth, ssignment 1: LASA 2: Exponential Growth In Module 4, you were introduced to the concept of exponential functions that can be used to model growth and decay. Recall what
Let the region R bounded by graph of f(x)=sqrt(x^2+1) on interval [0,2]. Determine volume of solid formed when R is revolved about y-axis.