07/06/20

Finite: Probability
A hat has 5 slips of paper numbered 1, 2, 3, 4, 5. A slip of paper is selected at random and its number noted and the slip is not replaced. A second slip of paper is selected at random. (a) What is... more
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07/03/20

Given 11 different integers from 1 to 20. Prove that at least two of them are exactly 5 apart.
Given 11 different integers from 1 to 20. Prove that at least two of them are exactly 5 apart.
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06/26/20

You deposit $ 10 comma 000 $10,000 in an account that pays 6 % 6% interest compounded quarterly.
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06/26/20

a feasible region has vertices at (0,0), (30), (3/2,7/2), and (0,3). what are the maximum and minimum values for the objective function P=6x+8y?
which one is the answer?a) minimum (0,0)=0 maximum (3/2,7/2) =37b) minimum (0,0)=0 maximum (3,0) =24c) minimum (0,0)=14 maximum (3/2,7/2) =17d) minimum (0,0)=0 maximum (0,3) =30
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06/26/20

Which option is right? The study of research methods provides you with the knowledge and skills you need:
Which option is right?The study of research methods provides you with the knowledge and skills you need:A: To solve the problemB: To improve the decision-making processC: To understand the research... more
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06/26/20

the vertices of a feasible region are (0,0), (0,2), (5,2), and (4,0). for which objective function is the maximum cost c found at the vertex (4,0)?
the vertices of a feasible region are (0,0), (0,2), (5,2), and (4,0). for which objective function is the maximum cost c found at the vertex (4,0)?a) c=-2x+3yb) c=2x+7y c) c=4x-yd) c=5x-3y
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06/26/20

find the maximum value of c subject to the giving constraints.
C= -3x+5yconstraints:x>=-5x<=2x>=0y<=3which one is the answer?a) 30b) 9c) 15d) 0
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06/26/20

Need some help with Calculus differential equation applications(video explanation would help)
A tank contains 8,000 L of brine with 16 kg of dissolved salt. Pure water enters the tank at a rate of 80 L/min. The solution is kept thoroughly mixed and drains from the tank at the same rate.(a)... more
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06/26/20

The linear approximation
The linear approximation at x=0 to sin(4x) is A+Bx where A is:     and where B is:
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06/24/20

Central Limit Theorem 2.0
A population of values has a normal distribution with μ=5.8 and σ=17. You intend to draw a random sample of size n=225.Find the probability that a single randomly selected value is less than... more
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06/24/20

Need help understanding how to do this.
Given quadrilateral LMNO with the following calculations of slopes and lengths, what is the best descriptive name for quadrilateral LMNO (Trapezoid, Isosceles Trapezoid, Parallelogram,... more
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06/22/20

Cartesian equation of a cire
Find the Cartesian equation of each of the following circles:i. x=2cos(θ) , y=2sin(θ)ii. x=1+cos(θ) , y=2+sin(θ)iii. x=3+2cos(θ) ,y=5+2sin(θ)
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06/22/20

How to properly explain that two angles are not congruent?
There are two triangles, ABC and DEF. B is the vertex of ABC and E is the vertex of DEF. A makes the left base of ABC and D makes the left base of DEF. Both angles of the vertexes are congruent,... more
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06/22/20

geometric distribution
If a procedure meets all the conditions of a binomial distribution except that the number of trials is not fixed, then the geometric distribution can be used. The probability of getting the first... more
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06/19/20

Find equation of parabola, given three points
(0,4) (1,3) (2,6)I know I have to use the equation for a parabola whose axis of symmetry is vertical:y = ax^2 +bx + cThe first step is to plug the points into an equation:4= a(0)^2 +b(0) +c4= a+c... more
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06/19/20

48, 24, 12, 6, 3… explain why the sequence is exponential or linear and write the rule

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06/19/20

(pls fassssttt) Use the partial fractions method to express the function as a power series

Use the partial fractions method to express the function as a power series (centered at x=0) and give the open interval of convergence. f(x)=14/(x^2 −2x−48) f(x)=∑n=0 to ∞
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06/19/20

the sun casts a shadow from a flag pole.the heigh of the flag pole is three times the length of its shadow, find the length of the pole
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06/18/20

Determine the vector and parametric equations of the line passing through the points A (-3,2,8) and B (4,3,9). (Note: Use Point A as your position vector)
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06/18/20

Find the probability that a student finishes in less than 5 mins. Draw & shade the distribution to interpret your results
time it takes for 20 students to finish this quiz is uniformly distributed from 0 mins to 15 mins. 
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06/17/20

What would the input need to be for an output of -1
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06/17/20

Determine the points of inflection of the function.
Determine the points of inflection of the function.f(x) = x + sin(x)    (−2π < x < 2π)(x,y)=( , ) smallest x value(x,y)=( , )(x,y)=( , ) largest x value
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06/17/20

Marginal Revenue
Marginal RevenueThe demand function for a certain boat company's 34 ft Sundancer yacht isp = 400 − 0.01x ln(x)where x denotes the number of yachts and p is the price per yacht in hundreds of... more
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06/17/20

I need help with a problem from my statistics homework. I don't understand this...
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 4.1 years, and standard deviation of 0.7 years.If you randomly purchase one item, what is the probability... more
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06/15/20

Solve the right triangle ABC, with C=90 degrees
Solve the right triangle​ ABC, with Upper C equals 90 degrees. C=90°.A = 57 Degrees 16', c = 8.4 ftn the right triangle​ ABC, with C = 90 B = 32 degrees 44'What is is the length of side a = and of... more
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