04/06/23

differential equation

Find the particular solution that satisfies the differential equation  with the initial condition 
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04/05/23

help with my homework

Duane and Eli are buying snacks. Duane spends $18.25 on two bags of popcorn and three drinks. Eli spends $27.50 on four bags of popcorn and two drinks. Let x = the cost of one bag of popcorn Let y... more
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04/03/23

How do I solve this?
If f(5) = 10, f ′ is continuous, and 6 5f ′(x) dx = 20, what is the value of f(6)?
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04/03/23

Apply Newtons Method to approximate
Apply Newton's Method to approximate the x-value of the point of intersection of the two graphs near x=0.75, to four decimal places. and  
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04/01/23

In triangle ABC, Ac=1, BC=2, angle BAC=60 what is the area of ABC?
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04/01/23

I drew a graph for this, but can't find anything particularly interesting. Is there anything remarkable about these two triangles?
575.Let A = (0,0), B = (4,−3), C = (6,3), P = (−2,7), Q = (9,5), and R = (7,19). Measure the angles of triangles ABC and PQR. Calculate the lengths of the sides of these triangles. Find... more
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03/31/23

I got (0, 8, 5). Is that the only answer?
557.Let A = (1,2,3), B = (3,7,9), and D = (−2,3,−1). Find coordinates for vertex C of parallelogram ABCD. How many parallelograms can you find that have the three given vertices among their four... more
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03/30/23

Consider the function f(x)=x^4+7sqrtx
Consider the function f(x)=x^4+7sqrtxLet F(x) be the antiderivative of f(x) with F(1)=−2.Then F(x)= _______
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03/29/23

Finding Tangent Line Eq.
Find the equation of the tangent line to the parametric curve given by x= 1/( t+1) , y= t / (t−1) for t = 2.
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03/28/23

ƒ(x) = (1/4)x^4 - 2x^2
ƒ(x) = (1/4)x4 - 2x2(a) Find the intervals on which ƒ is increasing or decreasing. (b) Find the local maximum and minimum values of ƒ. (c) Find the intervals of concavity and the inflection points.
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03/28/23

Polynomial function
Construct a polynomial function with the stated properties. Reduce all fractions to lowest terms.Third-degree, with zeros of −3−3, −1−1, and 22, and passes through the point (4,7)(4,7).
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03/28/23

Calculus problem

e^x y=sinx,show that d^2y/dx^2 +2 dy/dx +2y=0
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03/28/23

Finding Concave
Helping my daughter finish her problem. She has half of it but can’t figure the last part. The problem is:F(x)=-2Cosx, on(-2pi,2pi)she solved find the first and second... more
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03/24/23

The diagram shows the curve y= (3-2x)^3 and the tangent to the curve at the point (1/2, 8).

i. Find the equation of this tangent, giving your answer in the form y=mx+c. correct answer: y=-24x+20ii. Find the area of the shaded region. correct answer: 9/8
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03/24/23

The diagram shows part of the curve y = 8/(square root of 3x+4). The curve intersects the y-axis at A(0,4). The normal to the curve at A intersects the line x=4 at the point B.
i. Find the coordinates of B.correct answer: (4, 20/3)ii. Show, all necessary working, that the areas of the regions P and Q are equal. correct answer: P and Q are both 32/3
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03/24/23

A curve has equation y=f(x) and is such that f'(x)=3x^(1/2) + 3x^(-1/2) - 10.

i. By using the substitution u=x^(1/2), or otherwise, find the values of x for which the curve y=f(x) has stationary points. correct answer: 1/9 or 9ii. Find f''(x) and hence, or otherwise,... more
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03/24/23

Area of surface
Find the area of the surface obtained by rotating the curve y = 3√x about y -axis for 1 ≤ y ≤ 4 .
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03/24/23

Consider a circle with radius 10 that is centered at the origin. Find the exact x and y coordinates of the point on this circle corresponding to an -780 degrees.

x = __________y = __________This question wants anyone to apply the exact answers by using square roots if necessary.
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03/23/23

Related Rates Problem
At noon, ship A is 130 km west of ship B. Ship A is sailing east at 25 km/h and ship B is sailing north at 20 km/h. How fast (in km/hr) is the distance between the ships changing at 4:00... more
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03/23/23

Precalculus Question
A small radio transmitter broadcasts in a 60 mile radius. If you drive along a straight line from a city 72 miles north of the transmitter to a second city 70 miles east of the transmitter, during... more
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03/23/23

A picture that measures 11 inches by 3 inches is placed in a frame of uniform width. If the area of the frame and picture together is 273 square inches, what is the width of the frame?
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03/22/23

Simplify the difference quotient, f(x + h) - f(x)/h, using the Binomial Theorem
f(x) = x^3
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03/21/23

The range of the function f(k) = k2 + 2k + 1 is {25, 64}. What is the function’s domain?
i dont know how to explain this please help me!!!!
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03/20/23

Prove using two- column proof: Given: Q, R, S, and T are coplanar. QR=QT, m∠R=m∠T
Prove: SR=ST
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03/20/23

Geometry Help for classifying a shape as a quadrilateral.

Let us say that we have shape LMNO, located at L(1,1), M(4,4) N(7,1) and O(4,-2). How can I classify this as a quadrilateral with coordinate geometry.
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