03/17/21

HELP PLEASE, can you show steps to, WILL SEND $$$$$!!!!
A coffee company purchases groups of coffee beans and then divides each group of coffee beans into premium beans, regular beans, and unusable beans. The company needs at least 280 tons of premium... more
Follows • 4
Expert Answers •2

03/17/21

Increasing, Decreasing, and Concavity
The f(x) = x^3 - 6x^2 + 12x + 6 has the following intervals: (-oo,5)U(7,oo)Can someone tell me what interval is this function decreasing, what interval is the concave downward and upward, and what... more
Follows • 1
Expert Answers •1

03/17/21

Let X have a uniform distribution on the interval (8, 13).
Let X have a uniform distribution on the interval (8, 13). Find the probability that the sum of 2 independent observations of X is greater than 25.
Follows • 1
Expert Answers •1

03/17/21

Difficult cardioid/ Polar Graph Equation!!!
When recording live performances, sound engineers often use a microphone with a cardioid pickup pattern because it suppresses noise from the audience. Suppose the microphone is placed 2 m from the... more
Follows • 1
Expert Answers •1

03/17/21

What is the single iterated integral of a continuous function f over the following region.
The region bounded by the triangle with vertices (0,0),(30,0), and (15, 3)._ _∫ ∫ f(x,y) ____ _
Follows • 2
Expert Answers •1

03/16/21

How many four digit numbers divisible by 9 can be formed using the digits { 0,1,2,3} ?
{3, 3, 2, 1} --> 4!=24{2, 2, 2, 3}  -->4!=24{3, 3, 3, 0)  --> 4!-3!= 1824+24+18=66 But the correct answer is 62. Why?
Follows • 1
Expert Answers •1

03/16/21

can someone pls tell me how to solve for the time LIKE HOW THE EQUATION WORKS? PLSSSSSSSSSS
 A man goes fishing in a river and wants to know how long it will take him to get 10km upstream to his favourite fishing location. The speed of the current is 3 km/hr and it takes his boat twice as... more
Follows • 1
Expert Answers •1

03/15/21

f(x)= −3tan (x + 5) + 4
f(x)= −3tan (x + 5) + 4 what is the stretching factor
Follows • 1
Expert Answers •2

03/15/21

Suppose we select 12 face cards (a jack, a queen, and a king for each of the 4 suits) from a standard deck of cards. What is the probability of drawing 2 red Queens if 5 cards are drawn.

a. 80/243b. 20/243c.33/90 d. 243/70(Write (e.) if the answer is none among the choices.
Follows • 0
Expert Answers •1

03/14/21

Consider the function f(x)=3−3x2 on the interval 
Consider the function f(x)=3−3x2 on the interval [−6,8]. Find the average or mean slope of the function on this interval, i.e.f(8)−f(−6)/8−(−6)=   By the Mean Value Theorem, we know there exists... more
Follows • 1
Expert Answers •1

03/13/21

Suppose you owe 10 dollars to a friend. Each week you pay your friend at least 1 dollar back.

Sometimes however you might pay your friend back 2 dollars in a week and other times you might pay your friend 5 dollars in a week. How many different payment sequences are possible? Here are a... more
Follows • 1
Expert Answers •1

03/13/21

Let f(n)= 1/2 + 1/3 + 1/4 + 1/5 + 1/6 + ... 1/n. 
Follows • 1
Expert Answers •1

03/13/21

Determine the minimal distance from point (-3,3) to the curve given by y= (x -3)^3
Determine the minimal distance from point (-3,3) to the curve given by y= (x -3)3
Follows • 2
Expert Answers •1

03/12/21

the interior angles of a pentagon are 137 120 97 and 132 fine the measure of the other angle

Follows • 1
Expert Answers •1

03/12/21

calculus question help
Use the alternating series test to determine the convergence/divergence of the series  . A The alternating series fails. B The series converges. C The series is conditionally... more
Follows • 1
Expert Answers •1

03/12/21

Algebra 1 Question

A rectangular yard has an area of x^2 +12x−64 , find the dimensions of the yard.
Follows • 2
Expert Answers •1

03/12/21

the interior angles of a hexagon are 147, 98, 121, 84, and 111, find the measure of the other angle

Follows • 1
Expert Answers •1

03/12/21

The sum of a number and 10 times it’s reciprocal is 41/2 . Find the number(s
Follows • 1
Expert Answers •1

03/12/21

How are Exponential and Gamma distribution related?

Suppose the survival time X in weeks of a randomly selected male mouse exposed to 240 rads of gamma radiation has a gamma distribution with 𝛼 = 8 and 𝛽 = 15. What is the probability that a mouse... more
Follows • 1
Expert Answers •1

03/12/21

A statistical professor plans classes so carefully that the length of the classes are uniformly distributed between 49mins to 54mins.

What is the probability that on a certain day he teaches less than 50.5 mins?
Follows • 0
Expert Answers •1

03/12/21

Solve the following linear system. State whether the system is consistent, with independent or dependent equations, or whether it is inconsistent.
2x - 3y + 4z = 0x - y - 2z = 0x- 3y + 14z = 0
Follows • 2
Expert Answers •2

03/12/21

Use the mean value theorem to show that x/x^2 + 1 < arctan x < x in the interval (0,∞).
Use the mean value theorem to show that x/x^2 + 1 < arctan x < x in the interval (0,∞).
Follows • 1
Expert Answers •1

03/12/21

Calculus estimate please help

Given f(x) > 0 with f ′ (x) < 0, and f ″(x) < 0 for all x in the interval [0, 1] with f(0) = 1 and f(1) = 0.3, the left, right, trapezoidal, and midpoint rule approximations were used to... more
Follows • 1
Expert Answers •1

03/12/21

Find sin y if sec y = square root of 30/5 and tan y < 0
find sin y if sec y = square root of 30/5 and tan y < 0. thx
Follows • 1
Expert Answers •1

03/11/21

Find the value of the missing number (exponent)
(x3)?=x12
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.