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(i) The value of x such that 8x +4, 6x -2 ,2x+7 form an A.P.

(a) 15 (b) 2 (c) 12 (d) 7.5

Find the sum S9 for the geometric series with t2= 28 and t5= 224. *Use the geometric series formula!

Sum =   

1. The question is in the picture

Question 11 of 40

Fill in the blank.

The __________ is the probability of getting a test statistic at least as extreme as the one representing the sample data, assuming that the null hypothesis is true.

◯ A. critical value

◯ B. p-value

◯ C. level of significance

◯ D. sample proportion

The weights of the chocolate in Hershey Kisses are normally distributed with a mean of 4.5338 g and a standard deviation of 0.1039 g.

For the bell-shaped graph of the normal distribution of weights of Hershey Kisses, what Is the area under the curve?

What is the value of the median?

What is the value of the mode?

What is the value of the variance?

For the bell-shaped graph of the normal distribution of weights of Hershey Kisses, what is the area under the curve?
(Type an integer or a decimal. Do not round.)

What is the value of the median?
g (Round to four decimal places as needed.)

What is the value of the mode?
g (Round to four decimal places as needed.)

What is the value of the variance?
9? (Round to four decimal places as needed.)

Given the complex number = 24 and , express the result of in rectangular form with fully simplified fractions and radicals.

The net shown represents a square pyramid.

Determine the area, in square feet, of one triangular face of the square pyramid.

If x is the average (arithmetic mean) of m and 9, y is the average of 2m and 15, and z is the average of 3m and 18, what is the average of x, y, and z in terms of m?

A) m+6

B) m +7

C) 2m+14

D) 3m+21

Guys, please help me!

Give an example of four different sets A, B,C and D such that (1) A ∪ B = {1, 2} and C ∩ D = {2, 3} and
(2) if B and C are interchanged and ∪ and ∩ are interchanged, then we get the same result.

If 15 is added to a number then it is increased by 20%. Find the Original number?

a. 55

b.65

c.75

d.90

e. None of the above

General Aptitude question from gate.

plz visit my profile for solution.

If the annual increase in the population be 20% and the present population be 10,000. What will be the population after 3 years hence?

a.16000

b.17280

c.14400

d.17820

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1)The additional output obtained by adding another unit of labor to the production process is called _____. A. the marginal product of labor B. a variable cost C. the marginal cost of labor D. the average output of labor

2)The law of diminishing marginal returns states that: A. long-run average cost declines as output increases. B. if the marginal product is above the average product, the average will rise. C. as units of a variable input are added to a given amount of fixed inputs, the marginal product of the variable input eventually diminishes. D. if marginal product is positive, total product rises.

3)The short-run average variable cost curve: A. starts above the origin and always slopes upward. B. starts at the origin and always slopes upward. C. slopes downward at low rates of output and then slopes upward at higher rates of output. D. is always downward sloping.

4)If a firm shuts down in the short run and produces no output, its total cost will be: A. equal to the variable cost. B. equal to the fixed cost. C. equal to zero. D. equal to only explicit costs.

5)Which of the following is true of the MC curve? A. It intersects the AVC curve at its minimum, but it does not intersect the ATC curve at its minimum. B. It intersects both the ATC and the AVC curves at their minimums. C. It intersects the ATC curve at its minimum, but it does not intersect the AVC curve at its minimum. D. It intersects both the ATC and the AFC curves at their minimums.

6)The shape of the long-run average cost curve reflects _____. A. increasing and diminishing marginal returns B. market demand C. productivity of fixed inputs D. economies and diseconomies of scale

7)The price charged by a perfectly competitive firm is determined by: A. each individual firm. B. market demand and market supply. C. a group of firms acting together as a cartel. D. the firm's total costs.

8)The demand curve facing a perfectly competitive firm is: A. vertical at the equilibrium quantity. B. upward sloping. C. a horizontal straight line at the market price. D. a straight line through the origin.

9)The total revenue curve for a perfectly competitive firm_____. A. is a backward-bending curve B. is a vertical line intersecting the horizontal axis C. is a horizontal line intersecting the vertical axis D. is a straight line that starts from the origin and slopes upward

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show that if 1-ab is invertible in a ring with 1 then so is 1-ba

Question from conic section...

Find the centre and radius of the circle:-

* 2x sq.+2y sq.-x=0

1. A and B each have a certain number of mangoes. A says to B, "if you give 30 of your mangoes, I will have twice as many as left with you." B replies, "if you give me 10, I will have thrice as many as left with you." How many mangoes does each have?

In math questions answers each questions are solved with explanation. The questions are based from different topics. Care has been taken to solve the questions in such a way that students can understand each and every step.

1. Which is greater than 4?

(a) 5,

(b) -5,

(c) -1/2,

(d) -25.


Solution:

5 greater than 4.

Answer: (a)