11/17/20
Solving a word problem using a system of linear equations of the form Ax + By = C
One month Trey rented 2 movies and 5 video games for a total of $30. The next month he rented 8 movies and 3 video games for a total of $35. Find the rental cost for each movie and each video...
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11/17/20
Using a double-angle or half-angle formula to simplify the given expressions.
Using a double-angle or half-angle formula to simplify the given expressions.(a) If cos2(27∘)−sin2(27∘)=cos(A∘), thenA= degrees.(b) If cos2(7x)−sin2(7x)=cos(B), thenB= .
11/16/20
Quadratic Functions
A farmer with 1200m of fencing wants to enclose a rectangular area and then divide it into four pens with fencing parallel to one side of the ...
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11/16/20
Rational Expression
The speed of a stream is 6 km/h. If a boat travels 94 km downstream in the same time that it takes to travel 47 km upstream, what is the speed of the boat in still water?
11/15/20
Solving a percent mixture problem using a system of linear equations
A chemical company makes two brands of antifreeze. The first brand is 30% pure antifreeze, and the second brand is 80% pure antifreeze. In order to obtain 90 gallons of a mixture that contains 70%...
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11/14/20
If sin(θ) = 1/4 and θ is in the 2nd quadrant, find cos (θ)
If sin(θ) = 1/4 and θ is in the 2nd quadrant, find cos (θ)What would cos(θ) be?
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11/14/20
If tan(θ) = 4/3, 0 ≤ θ ≤ π/2, then
If tan(θ) = 4/3, 0 ≤ θ ≤ π/2, thensin(θ) equals ____cos(θ) equals ____sec(θ) equals ____
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11/14/20
Which of the following statements about the function f, if true, cannot be used to conclude that f is defined at x=1?
Which of the following statements about the function f, if true, cannot be used to conclude that f is defined at x=1?A) Lim x-->1 f(x) existsB) f is continuous at x=1C) f is differentiable at...
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11/14/20
Solving Trigonometric Equations, Thank you!
Solve sin(x)=−0.7 on the interval 0≤x<2πThe solution(s) is/are x= Give your answers accurate to 3 decimal places
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11/14/20
Solving Trigonometric Equations
Solve cos(x)=0.54 on 0≤x<2πThe solution(s) is/are x=Give your answers accurate to 3 decimal places
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11/12/20
The Unit Circle and Trignomoetric Functions
Let C be the circle of radius 6 centered at the origin O(0, 0). Let P be the point (5, 0). Let Q be the point in the first quadrant on C such that ∠POQ measures 30◦ . Let R be the point in the...
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11/12/20
Find the area enclosed by r = sin 2θ for .
Find the area enclosed by r = sin 2θ for .Type your answer in the space below and give 3 decimal places. If your answer is less than 1, place a leading "0" before the decimal point My answer: 0.392
11/11/20
I need help on inverse fuction
p(n)=3n+5 ; Find p(n+3)A. p(n-2)=3n+14B. 3n+14C. p(n-2)=3n+8D. p(n-2=17nE. p(n-2)=3n+11
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11/10/20
Magnitude of scalar multiple
Find the magnitude of the scalar multiple, where u = <2,0>
and v = <-3,6>
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-5 v
Wouldn't the answer just be -15sq5??? Im confused on this problem
Any help would be appreciated.
Write a equivalent expression to √24x2y7z8 / y^-4z2
Given the quadratic 5x^2 + ax - 1 = 0, what would a need to be in order for the discriminate to be 29?
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11/05/20
For what value of t is the slope of the curve undefined for the graph
For what value of t is the slope of the curve undefined for the graph defined by x = 8 - t3, y = t2 - 6t?Type your answer in the space below to the nearest whole number
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