07/03/21

Mathematics using equations
A family have some water in a tank. They filled a large barrel and a medium barrel with 195 liters of water from the tank. They wanted to fill another large barrel but they would have been short by... more
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07/02/21

algebra two plz show how you got your answer

A westbound bus left the main station at 9 a.m. Two hours later, an eastbound bus left the same station. The buses traveled at the same speed and were 352 kilometers apart at 2 p.m. Find the speed... more
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06/27/21

THE DEFINITE INTEGRAL
Let 𝐴=(6,−4),𝐵=(8,3),𝐶=(11,−7) and 𝐷=(13,4). Let 𝑓(𝑥)f(x) be the function whose graph consists of the three-line segments 𝐴𝐵,𝐵𝐶, and 𝐶𝐷. Evaluate the definite integral by interpreting it in terms... more
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06/23/21

Integrate (e^x)(2x) with respect to x.
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06/21/21

Exponential from Two Points
Write an exponential function in the form y=ab^x that goes through points (0,14) and (3,896).
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06/20/21

Techniques of Integration
If g(1)=5, g(5)=7, and ∫15 g(x)dx=−6, evaluate the integral ∫15 xg′(x)dx.
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06/15/21

If the terminal side of an angle θ contains the point (6, -2), find the values of the six trigonometric ratios of θ
b. If tan β= -5/12 and π/2 < β < π , then find cosβc. If sin α= -4/5 and tan α > 0 , then find the remaining five trig functions of α
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06/15/21

Evaluate f(-3), f(0), and f(2) for the piecewise defined function. Then sketch the graph of the function.
ƒ(x)= {-1 if < 1 {7- 2x if x>1
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06/14/21

Geometry of Isosceles Triangles
Given an isosceles triangle ABC with AB = AC, D is a point on AB such that AD: DB = 3:1, E is a point on side AC, and when DE and BC are extended, they meet at a point F, such that DE:EF = 1:3.a)... more
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06/14/21

A circle has center (6, 2) and radius 9. Find all values of such that (x, - 1) is a point on the circle.
A circle has center (6, 2) and radius 9. Find all values of such that (x, - 1) is a point on the circle.
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06/11/21

I have to turn my homework in a few hours. I need help quickly because i always receive help after the time I’m supposed to turn it in
Identify the equation for the parabola with focus F(0, 9) and directrix y = −9.A.)B.)C.) y = 36x2D.) y = −36x2
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06/10/21

Determine the value of sin t if t corresponds to an angle in standard position whose terminal side contains the point ( 12, -5 )

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06/10/21

What is the 𝑑𝑦/𝑑x for the following implicit functions

a. 𝑥2 + 𝑦2 = (𝑥 + 𝑦)2 b. 𝑦 cos 𝑥 = (𝑥 − 𝑦)2c. 𝑦𝑒𝑥 − 𝑒𝑦 cos 𝑦 = 5d. (𝑥2 + 𝑦2 )3 = 𝑥 + y
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06/10/21

How to explain to a friend the difference between a trigonometric identity and a conditional equation?
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06/10/21

Find linear approximation of f(x)= √(x-3) at x=7
calculus 12 problem I’m having problems with
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06/09/21

relative maximum and relative minimum
Given the function f(x) = 1/3 x³−x+1, discuss its relative maximum and relative minimum points,intervals where it is increasing or decreasing, the intervals of concavity, and the point of... more
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06/09/21

geometric and cartesian vectors
(a) A fishing boat sets its course at a heading of S70°W, with a speed of 30 knots. The water current is flowing from a bearing of S60°E, at 7 knots. Determine the resultant velocity of the fishing... more
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06/08/21

please help using substitution rule
∫ (4x3-8x)/√(x4-4x2-9) dx
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06/07/21

Find the distance from the point (−10,−5) to the line y = −5x − 3.
Find the distance from the point (−10,−5) to the line y = −5x − 3.
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06/06/21

Calculas H/W help
You have a wire that is 83 cm long. You wish to cut it into two pieces. One piece will be bent into the shape of a square. The other piece will be bent into the shape of a circle. Let A represent... more
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06/06/21

find the volume of the solid
Find the volume of the solid obtained by rotating the region bounded by the curve y=sin(7x^2) and the x-axis, 0 ≤ x ≤ sqrt(π/7), about the y-axis.
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06/04/21

Use a straightedge to draw the xy axis for your graph. On the x-axis label the points spaced equally between integer multiples of π/2 beginning with −π and ending at 5/π2.
Use a straightedge to draw the xy axis for your graph.  On the x-axis label the pointsspaced equally between integer multiples of  beginning with   and ending at  Graph the functiony = tan x.  Use... more
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06/04/21

What’s the volume of the solid obtained by rotating the shaded region about the line y=3
The area is the region bounded by x=8-2y2 and x=1-(1/4)y2Use whatever method is better. Disks/washers or shells.
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06/03/21

Find the volume of the solid obtained by rotating the region in the first quadrant bounded by x=0, y=1, x=y^9 about the line y=10.
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06/03/21

Find the value(s) of c such that the area of the region bounded by the parabolae y=x2−c2 and y=c2−x2 is 1944.
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