04/23/20

Find the x- and y-intercepts.
34. 5x + 4y = 20x-intercept (x,y)=(___)y-intercept (x,y)=(___)32. 2x + 3y = 0x-intercept (x,y)=(___)y-intercept (x,y)=(___)31. x − y = 2x-intercept (x,y)=(___)y-intercept (x,y)=(___)
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04/23/20

math for homework
The height of a right cylinder is r , where r is the radius. Write a function f in simplest form that represents the ratio of the volume to the surface area.
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04/23/20

The number of claims for missing baggage in a small city for a well-known airline averages nine per day. What is the probability that, on a given day, there will be
a. Fewer than three claims?b. Exactly three claims?c. Three or more claims?d. More than three claims?
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04/23/20

Use half angle identities to solve trig equations 
Use half angle identities to solve trig equations Solve the given equations for the values of x in the interval [0, 2pi] cos x/2 - sin x = 0 ( hint: sin^2 x + cos^2 x = 1) cos^2 x = sin^2 x/2
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04/23/20

Calculus question

The concentration, C in milligrams per litre, of a tracer chemical in the bloodstream t hours after its injection, is given by the formula Ct = e-t-e-3t. Determine the maximum concentration of the... more
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04/23/20

calculaus u sub
∫6(tanx)5(secx)2dx
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04/23/20

The owner of a used tire store wants to construct a fence
The owner of a used tire store wants to construct a fence to enclose a rectangular outdoor storage area adjacent to the store, using part of the side of the store (which is 260 feet long) for part... more
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04/22/20

A circle is cut into congruent sections and arranged to form a figure that approximates a parallelogram. Find the approximate height of the figure when its area is 42.25 pi square centimeters.
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04/22/20

Calculus - local maximum and minimum
f(x) = (x + 3)(x - 2) 3 find the value(s) of x for which f has a local maximum and minimum
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04/22/20

114+74+2x+y=360
for the sum of all int angles in a trapezoid
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04/22/20

Nearest integer
use the fundamental theorem of calculus to find the area of the region between the graph of the function 5/7×^2/7 +1/2×^4/9 +6 ×- axis on interval [4,8] round off to nearest integer.
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04/22/20

Find the sum of the first 15 terms of the arithmetic sequence
an = 14 - 6n
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04/21/20

calculus exam help
A school is planning to fence off a rectangular playground with three additional fences across its width to have separate playgrounds for different age groups as shown in the diagram below. Find... more
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04/21/20

Fit the data with linear, quadratic, and exponential functions. Determine which function has the best fit.
Table:1996- $2761997- $8271998- $19001999- $32002000- $47002001- $65002002- $8900
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04/20/20

Every one of us is all too familiar with the phenomenon of forgetting.

Facts that we clearly understood at the time we first learned them sometimes fade from our memory by the time the final exam rolls around. Psychologists have proposed several ways to model this... more
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04/20/20

A study by a certain corporation estimated the cost of reducing automobile emissions by certain percentages.

Find an exponential model that captures the "diminishing returns" trend of these data shown in the table belowRound all numerical values to four decimal places.) Reduction in emissions (%)Cost per... more
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04/20/20

How to Transform vectors?
vector(-9,2) is transformed using the matrix A= -4 1 -1 2What is the resulting vector?
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04/20/20

Calculus 1 differentiation help
Find the derivative of the function.y =(tan^-1(4x))^2
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04/17/20

Determine the principal P that must be invested at the rate
Determine the principal P that must be invested at the rate r=9%, compounded monthly, so that $500000 will be available for retirement in t=13 years. (Round to the nearest cent)
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04/17/20

Solve for all the values of x. Give the answer in radians
Solve for all the values of x. Give the answer in radians 5 sec^2 theta - 20 = 0 ( theta)
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04/17/20

Use your calculator to evaluate the definite integral from negative 1 to 1 of e raised to the x squared power, dx. Give 3 decimal places for your answer.
Use your calculator to evaluate . Give 3 decimal places for your answer.I'm struggling a bit with this question, any help is appreciated! Thank you so much in advance!
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04/17/20

please help me!!!
from the top of a 150 ft building , polly observes tony driving a car toward her. If the angle of depression to the car changes from 18 deg to 42 deg during the observation, how far does the car... more
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04/17/20

Given : - 4+ 4 a) Find the critical numbers of . b) Find the open intervals on which the function is increasing or decreasing.

Given : - 4+ 4 a) Find the critical numbers of .      b) Find the open intervals on which the function is increasing or decreasing.            c) Apply the First Derivative test to identify all the... more
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04/17/20

If P is any point on side AB of triangle ABC and F, K, E are the midpoints of AP, PB, and PC, prove that triangle FKE is similar to triangle ABC
Please write a two-column proof. Also, there should be ONLY given.*If you could*, please choose some of these statements and use some of these reasons to prove the statements true. (Those below are... more
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04/16/20

find the area of a composite figure shown below of 10cm 8cm and 14cm
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