09/11/20

circle line of circle equation

A small radio transmitter broadcasts in a 20 mile radius. If you drive along a straight line from a city 22 miles north of the transmitter to a second city 27 miles east of the transmitter, during... more
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09/10/20

Describe the motion of a particle with position (x, y) as t varies in the given interval. x = 2 sin(t), y = 3 + cos(t), 0 ≤ t ≤ 3π/2
Describe the motion of a particle with position (x, y) as t varies in the given interval.x = 2 sin(t),    y = 3 + cos(t),    0 ≤ t ≤ 3π/2
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09/09/20

Probability of winning a week
I am in an NFL Pickem League. I am 1 of 31 participants. Assuming we all have an equal shot at picking the games correctly what is the probability that I will win at least 1 week out of the 17... more
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09/09/20

Consider the curve parameterized by 𝑥=𝑡^2−9,𝑦=𝑡^2−8𝑡. Determine the values of  that correspond to the portion of the curve in each of the four quadrants.
Determine the values of  that correspond to the portion of the curve in each of the four quadrants.Quadrant I: t∈Quadrant II: t∈Quadrant III: 𝑡∈Quadrant IV: 𝑡∈
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09/08/20

write an equation of the line that passes through (18,2) and is parallel to the line 3y-x= -12
the assignment is writing equations of lines-parallel and perpendicular
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09/08/20

F(x) horizontal translation 6 units left

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09/08/20

Geometry Question
In an isosceles triangle, the base is 60% longer than than each of the other sides. The area of the triangle is 432 cm2 . how do I find the Other sides of the triangle , the height and the... more
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09/08/20

cubes root of 16x^2
write in exponential form and simplify
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09/08/20

A merchant could sell one model of digital cameras at list price and receive $224 for all of them. ..
A merchant could sell one model of digital cameras at list price and receive $224 for all of them. If he had eight more cameras, he could sell each one for $14 less and still receive $224. Find the... more
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09/07/20

A bag A contains 4 red and 6 black marbles .
A bag A contains 4 red and 6 black marbles . Another bag B contains 6 red and 4 black marbles . A marble is drawn from bag A and put into bag B ( without seeing its color ) . Now from bag B , a... more
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09/07/20

How to determine if a function is even, odd, neither
Determine if the functions are even, odd or neither.g(x) = (x-x²) / (x-1)
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09/05/20

Statistics - Computing for critical values
Estimate the value of the tcritical if i wish to run the test of acceptance analysis with an alpha and a beta level of 5% each, when detecting moderate to large effects in a right tailed... more
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09/05/20

Pre-calculus Problem
A ship is sailing due north, parallel to the coast. The captain wants to determine how far the ship is from the coastline. To do this, he makes two sightings of a lighthouse next to the shore. At... more
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09/04/20

Let A,B,C⊆U. If n(U)=54, n(A)=16, n(B)=24, n(C)=25, n(A∩B)=11, n(A∩C)=4, n(B∩C)=7, and n(A′∩B′∩C′)=8, find n(A′∩B′∩C).
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09/03/20

HELP!!!! How many games of War would you expect to play until you had a game that lasted just 26 turns with no mini “Wars,” like the girl claimed?
A girl claimed that she once won a game of War that lasted exactly 26 turns.War is a two-player card game in which a standard deck of cards is first shuffled and then divided into two piles with 26... more
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09/02/20

Evaluate the limit, if it exists.
Evaluate the limit, if it exists. (If an answer does not exist, enter DNE.)  lim x→−4 x + 4 x3 + 64  
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09/01/20

Solving for zeros in an equation, while finding values for x with synthetic division
Equation in question: y=x^4-x^3-28x^2-20x+48Questions I am not sure how to answer:1.) How many possible negative real zeros, positive real zeros, and non-real zeros does this equation have? Explain... more
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08/31/20

Largest approximate root.

Approximate the largest positive root of f(x)=x^4 +x+5 to four decimal places
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08/30/20

Statistics and R
A federal report found that a lie detector test given to someone telling the truth will suggest that they lied in about 20% of cases. A company asks the 12 job applicants for a new position about... more
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08/30/20

A rectangle has a perimeter of 48m and area 135 . Find the dimensions of the rectangle.

I don't understand at all, I need an explanation.
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08/30/20

Probability Question
(Seating arrangements.) In how many ways can 8 people be seated in a Round table if (a) there are no restrictions on the seating arrangement? (b) persons A and B must sit next to each other? (c)... more
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08/29/20

limits existing
Evualate the limit if it existslim x→0 (√(1+x) - √(1-x))/ (∣x ∣) 
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08/29/20

Selected values of a continuous function f are given below. Which of the following statements could be false?
x 0 1 2 3 4f(x) 2 -2 4 7 18A. By the Intermediate Value Theorem applied to f on the interval [0, 4], there is a value c such that f(c) = 5.B. By the Mean Value Theorem applied to f... more
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08/29/20

pathogerogean identity
1+tan2(x). Explain whythis is not the same function as g(x) = cos2(x).
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08/29/20

RATIONAL FUNCTION
Express the following functions in the form f ◦ g where f is a rational function and g is a trigonometric function:cos(t) a) u(t) = 1+cos(t) .cos(t) b) w(t)= sin2(t).
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