07/21/19

A trivia test has 10 multiple-choice questions, each with four possible answers. What is the probability of randomly guessing the correct answers for 9 or 10 of the questions.
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07/21/19

The odds in favour of Jack being on time for this Data Management class are 1:8. What is the probability that Jack will be on time for the next three classes?
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07/21/19

If two fair dice are​ rolled, find the probability that the sum of the dice is 7​, given that the sum is greater than 4.
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07/21/19

Using Euler's Method?
Using Euler's Method with a step size of h = 0.5, estimate the value for y(3) for the differential equation  , with y(2) = 5.
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07/21/19

Give the negation of the following statement: “If 𝑎 is an integer not divisible by 2 or 3, then 24|(𝑎² + 23)”
Note: 𝑎|𝑏 (a divides b) if and only if 𝑏 = 𝑎𝑚 for some integer 𝑚]
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07/21/19

Problem solver. Need help plz
Andrew rowed 20 miles downstream in 2.5hrs . the trip back however took him 4hrs. Find tbe rate that andrew rows in still water and the rate of the current. Express your answer as intergers or... more
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07/21/19

What is the approximate area of the region?
Use the rectangles to approximate the area of the region. (Round your answer to three decimal places.)f(x) = 9 - x^2 [-3,3]
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07/21/19

Creating file with QB64?
With the following DIM a AS INTEGER a = 10 OPEN "myFile" FOR BINARY AS #1 PUT #1, 1, a CLOSE #1 I get a file (myFile) with two bytes (using QB64). The first byte is indeed `0A`, but... more
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07/21/19

A bank features a savings account that has an annual percentage rate of r=5.2% with interest compounded quarterly. Marcus deposits $8,500 into the account.

The account balance can be modeled by the exponential formula S(t)=P(1+rn)^nt, where S is the future value, P is the present value, r is the annual percentage rate written as a decimal, n is the... more
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07/21/19

What is the difference between a deep copy and a shallow copy?
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07/21/19

Can you find the area of the region?
y = x-2 /x
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07/21/19

Can you find the area of the region?
y = 81 - x^4
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07/20/19

Can you find the answer to the area of the region and exact area that is obtained?
Use the rectangles to approximate the area of the region. f(x) = -x + 11 [1,11] answer:_____Give the exact area obtained using a definite integral.answer:____
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07/20/19

What is the equation used to calculate a linear trendline?
What are the equations to calculate a linear trendline over a set of points? --- _EDIT: "In excel it is done automatically but how to manually calculate a linear trendline over a set of points"... more
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07/20/19

Storing Images in DB - Yea or Nay?
So I'm using an app that stores images heavily in the DB. What's your outlook on this? I'm more of a type to store the location in the filesystem, than store it directly in the DB.What do you think... more
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C++

07/20/19

Struct Constructor in C++?
Can a `struct` have a constructor in C++? I have been trying to solve this problem but I am not getting the syntax.
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07/20/19

Apple And Pie Question
Apple and Pie stand near the foot of a tall mountain and measure their angles of elevation to the summit of the mountain T. Apple stands at point A and measures 37°. Pie stands at point P and... more
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07/20/19

Math - Stats (see below)
A machine packs nails in cartons. The number of nails in a carton is approximately normally distributed with a mean of 700.5 and a standard of deviation of 20. Find the probability that a carton of... more
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07/20/19

Math- Statistics (see below)
A machine packs nails in cartons. The number of nails in a carton is approximately normally distributed with a mean of 700.5 and a standard of deviation of 20. Find the probability that a carton of... more
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07/20/19

Math -Stats question
A normal random variable Y has mean 10 and standard deviation 4. Calculate Pr (Y>16)
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07/20/19

An experiment has three possible mutually exclusive​ outcomes, A,​ B, or C. If the odds of A occurring are 2 to 6 and the odds of B occurring are 1 to 3​, what are the odds that C​ occurs?
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07/20/19

BASIC programming language getting variable?
On MSX BASIC 2.1, I get this error when compiling my basic code. 10 Input "Your name", U$ run Syntax Error OK Why is this syntax incorrect?
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07/20/19

Which loop function should I use to copy a small data and paste it to huge database in a repetitive mode?
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07/20/19

A standard die is thrown and the result is 4. What is the sample space and outcome?
What is the sample space and outcome if a standard die is thrown, with a result of 4?
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07/20/19

Use the given conditions to find the exact value of the expression.
sin α = − 5/13,   tan α > 0,  sin(α − π/3)GIVE EXACT VALUE NO DECIMAL
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