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Mathematics
Mathematics
High School
another geometry problem that i dont know how to solve help !!
Mathematics
High School
please just solve the wrongpartsConsider the following. (a) Find the function (f o g)(x). (fog)(x) = x + 6 Find the domain of (fog)(x). (Enter your answer using interval notation.) (-00,00) (b) Find the function (gof)(x). (gof)(x) =
Mathematics
High School
Consider the vector field F = (x+y, xy4). = O The vector field is not conservative O The vector field is conservative, and the potential function for is f(x, y) = Preview +K If F' is conservativ
Mathematics
High School
In year N, the 300th day of the year is a Tuesday. In year N+1, the 200th day is also a Tuesday. On what day of the week did the 100thth day of year N-1 occur ?
Mathematics
High School
(1 point) For the given position vectors r(t), compute the (tangent) velocity vector for the given value of A) Let r(t) = (cos 41, sin 41). Then r' (5)=(-1.102 3.845 )2 B) Let r(t) = (1.1). Then r' (4
Mathematics
High School
please show all your work!Find the slope of the tangent to y = 3e** at x = 2.
Mathematics
High School
Hybrid and electric cars have gained in popularity in the last decade as a consequence of high gas prices. But their great gas mileages often come with higher car prices. There may be savings, but how much and how long before those savings are realized? Suppose you are considering buying a Honda Accord Hybrid, which starts around $31,665 and gets 48 mpg. A similarly equipped Honda Accord will run closer to $26,100 but will get 31 mpg. How long would it take for the Prius to recoup the price difference with its lower fuel costs,assuming you drive 800 miles per month?
Mathematics
High School
Sketch the region enclosed by the given curves and find its area. 25. y = x4, y = 2 |2|
Mathematics
High School
Find the area of the trapezoid.
Mathematics
High School
f(x) = x +5 f(x) = x + 5 Use the figures to calculate the left and right Riemann sums for f on the given interval and the given value of n. 10- f(x) = x +5 on [1,6]; n = 5 ONA.0.... 10- 8- 6- 4- 2- LY 17 2- F 2 4 6 0 2 4 4 6 6 The left Riemann sum is . (Simplify your answer.) The right Riemann sum is (Simplify your answer.)
Mathematics
High School
Find r(t) and v(t) given acceleration a(t) = t, 1), = initial velocity v(0) = (4,4), 7 and initial position r(0) = (0,0). v(t) = r(t) Usage: To enter a vector, for example (x, y, z), type< x, y, z>
Mathematics
College
Factor each expressions using the greatest common factor.1:3x + 62:4x-84:2x-47:9x + 185: 6x + 128: 8x - 163: 5x + 106:7x-14
Mathematics
High School
"If a cup of coffee has temperature 89C in a room where the ambient air temperature is 22C, then, according to Newton's Law of Cooling, the temperature of the coffee after t minutes is T(t) = 22 + 67e-t/47hat is the average temperature of the coffee during the first 18 minutes?
Mathematics
High School
Need Answer PleaseDetermine all critical points and inflection points of (=)=2-3x+1. Determine where increasing and decreasing and where le up and come down Critical Points: Inflection Points: Interval(s) of Increasing
Mathematics
High School
Q4Using appropriate Tests, check the convergence of the series, 1 3p"2p (-) ""} m=1
Mathematics
High School
Use the left Riemann sum to estimate the area of f(x)=x2 + 2 and the x axis using 4 rectangles in the interval [0,4]
Mathematics
High School
ANSWER ALL QUESTIONS PLEASEDO NOT SKIPANSWER ALL SHOW ALL WORKDO NOT SKIP ANY OF THE WORKANSWER ALL QUESTION3. Let y + 3 = xy-6r. Use implicit differentiation to find y'or dy dx 4. A profit function is given by P(x)=-x' +55x-110. a) Find the marginal profit when x = 10 units. b) Find the marginal average
Mathematics
High School
what is the diff erence between random sampling and random assignment and what types of conclusions can be drawn from each?
Mathematics
High School
Delta Properties builds houses. They have two models, Economy and Deluxe. The cost to build depends on the square footage of the house and the size of the lot. Of course, the house and lot for the Deluxe model are larger than those for the Economy model. The size of the house and the lot size for each model is given in the table below, in number of square feet: Economy Model Deluxe Model Size of Building Size of Lot 2200 5000 3300 8000 The next table gives Delta's cost per square foot to build a house and to buy a lot, in dollars. Building Cost Lot Cost 500 100 The size and cost information is summarized in the following matrices: S 2200 5000 L3300 8000 C= 500 100 a. Compute the product SC. Preview b. What is the (2, 1)-entry of matrix SC? (SC)21 Preview The next table gives Delta's cost per square foot to build a house and to buy a lot, in dollars. Building Cost Lot Cost 500 100 The size and cost information is summarized in the following matrices: 2200 5000 S= 3300 8000 C= 500 100 Q. Compute the product SC. Preview b. What is the (2, 1)-entry of matrix SC? (SC)21 = Preview c. What does the (2, 1)-entry of matrix (SC) mean? Select an answer Get Help: VIDEO Written Example
Mathematics
High School
Sketch with direction of the following functions r= f (O) in polar coordinate. a) r = 5 sin (30) b) r2 =-9 sin(20) c) r=4-5 cos e
Mathematics
High School
Find the initial value a, growth/decay factor b, and growth/decay rate r for the following exponential function: Q(t) = 1350(1.793)^ta. The initial value is a = b. The growth factor is b =c. The growth rate is r = %(Note that if r gives a decay rate you should have r < 0.)
Mathematics
High School
8. Does the set {(5, 1), (4,8)} {c, 1), (4, 8)} span R"? Justify your answer. ??
Mathematics
High School
help13. Use a polar integral to find the area of the region defined by r = cos 0,0 SST.
Mathematics
High School
7. Solve the differential equation. ryy=2re /*, y(1) = 2
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