Sunday
November 23, 2014

Posts by Thomas


Total # Posts: 580

Statistics for Business
Consider the following sample of data: 11.2, 28.4, 32.6, 17, 13.5, 2.2, 38, 41.4, 1.9, 14.4, 21.8, 23.8 a) Calculate the max, min, Q1, median, and Q3 b) Calculate the average c) Calculate the standard deviation d) Calculate the variance
January 19, 2014

math ( Terminology )
The " lumper " of a number is equal to the sum of all the prime numbers less than that number. If the lumper of x is equal to the lumper of x + 3, which of the following is a possible value of x ? a. 7 b. 8 c. 9 d. 10 e. 11 please answer and explain
January 19, 2014

math ( sequence )
A sequence is generated in which each term is equal to the sum of the two preceding terms, If the first two terms are 1 and 3, what is the sixt term? a. 11 b. 14 c. 18 d. 22 e. 29 please answer and explain
January 19, 2014

math (sets)
210/9=23.333 so 70-23 =47 answer b ?
January 19, 2014

math (sets)
{ 1,2.3,..........,210 } How many numbers in the above set are multiples of 3 but not 9 ? a. 46 b. 47 c. 48 d. 69 e. 70 please answer and explain
January 19, 2014

math
A sequence is generated in which each term is 9 more than the previous term, If the eighth term is 13, what is the fourth term? a. -23 b. -14 c. 40 d. 49 e. 58 please answer and expain
January 19, 2014

math
The length of a side of square S1 is x, and the length of a side of square S2 is five times larger then the area as square S1, what is y in terms of x ? please answer and explain
January 17, 2014

math
50+60=110
January 17, 2014

math
A circle is divided into four segments from the center of the circle. One segment is x degree and each of the other three segments increases by 20 degree from the previous segment. What is the value of the largest segment? a. 60 degree b. 80 degree c. 100 degree d. 120 degree ...
January 17, 2014

Logical reasoning practice
Karen baked desserts for a charity fund-raiser. She made 8 pies, 2 cakes, and 2 batches of cookies. She never baked more than two desserts in any 1 day, and she never made two of the same dessert in 1 day. What is the highest number of desserts that Karen could have made in 5 ...
January 17, 2014

math
A rectangle has a length of 8 and a width of 3, two squares with sides equal to the width of the rectangle are placed in the rectangle. What is the area of each square? a. 9 b. 16 c. 20 e. 25 f. 49 please answer and explain
January 17, 2014

math
The area of rectangle ACED is 80 square centimeters, and the area of triangle BCE is 30 square centimeters, If AD = 4 centimeters, then what is AB ? a. 5 cm b. 10 cm c. 15 cm d. 20 cm e. 25 cm please answer and explain
January 12, 2014

math
The circumference of a circle = 20 pi. If the circle is cut in half, what is the area of one of the resultant halves ? please answer and explain
January 12, 2014

math
If the length of a rectangle is increased by 25%, by what percentage should the width of the rectangle be decreased to maintain a constant area ? a. 5% b. 10% c. 15% d. 20% e. 25% please answer and explain
January 12, 2014

math
If the area of a circle is increased by a factor of 9, the circumference of that circle will be increased by what factor? a. 3 b. 6 c. 9 d. 18 e. 81 please answer and explain
January 12, 2014

math
C= 2 pi r = 2 pi (3r) = 3 ( 2 pi r ) so C = 3 c why C = 3 c I don't understand
January 11, 2014

math
If the area of a circle increases by a factor of 9, by what factor does its circumference increase ?
January 11, 2014

math
If the radius of a circle is doubled, by what factor does the circumference increase?
January 10, 2014

math
If the side of a square increases by a factor of 3, by what factor does the area of the square increase?
January 10, 2014

MATH
If a square of side length x is cut in half, what is the perimeter of one of the resultant halves?
January 10, 2014

math
so, I just write down this and say the answer is make sense
January 6, 2014

math
I don't understand the sentence 10% of $500 = $50 10% of 300 = $30 6% is a little more than half of 10%,what is half of 10% of 500 5% of 500 = $25 Add this with 10% of 30 = $3 ( Since 8% is close to 10%. Does your answer make sense----What that mean? )
January 6, 2014

math
Check ..... 1. Find 10% of $500 and 10% of $300.Since 6% is a little more than half of 10%, what is half of 10% of 500? Add this with 10% of 30, since 8% is close to 10%. Does you answer make sense ?
January 6, 2014

math
I came across with this last problem that I don't get on this sheet. Dan's uncle ask him to come work for him at his men's clothing store. He will pay him 5% on his first $1000 in sales and 8% on sales above $100. How much will Dan earn if he sells $2500 in ...
January 6, 2014

math
I got no
January 6, 2014

math
Find 10% of $500 and 10% of $300. Since 6% is a little more than half of 10%, what is half of 10% of 500? Add this with 10% of 30, since 8% is close to 10%.Does your answer make sense. Please show work so i can understand
January 6, 2014

math
Thank you
January 6, 2014

math
30+24= $54
January 6, 2014

math
A store pays a 6% commission on the first $500 in sales and 8% on sales over $500. Find the commission on an $800 sale. I just need the commission on the $800 sale, cause i finish the other questions in this problem. Please explain how to do it.
January 6, 2014

math
so, doubling the lenghts = 2x+4 14+14+5+5=38 answer d
January 5, 2014

math
The perimeter of the rectangle is 24 cm, the long side is x + 2, the width side is x , if a new rectangle is created by doubling the lengths of the original rectangle's longest sides, what would the new rectangle's perimeter be ? a. 17 cm^2 b. 24 cm^2 c. 31 cm^2 d. 38 ...
January 5, 2014

math
A square measures 12 cm x 12 cm and is divided into four equal squares. If equal circles are inscribed within each of the four squares, what is the circumference of each circle ?
January 5, 2014

math
A square measures 12 cm x 12 cm and is divided into four equal squares. If equal circles are incribed within each of the four squares, what is the circumference of each circle ? a. 2 pi cm b. 4 pi cm c. 6 pi cm d. 8 pi cm e. 12 pi cm please answer and explain
January 5, 2014

math
d. 6 1/4 pi cm^2
January 5, 2014

math
A circle has an area of 25 pi cm^2.If a circle is drawn within that circle with a diameter equal to the radius of the first circle, what is the area of the second circle? a. 2 1/2 pi cm^2 b. 4 1/4 pi cm^2 c. 5 1/4 pi cm^2 d. 6 1/4 pi cm^2 e. 7 1/2 pi cm^2 please answer and ...
January 5, 2014

math
A triangle has an area of 15 cm^2 and a base of 5 cm. If a circle is drawn with a diameter equal to the length of the triangle's height, what is the area of the circle ? a. 6 pi cm^2 b. 9 pi cm^2 c. 12 pi cm^2 d. 18 pi cm^2 e. 36 pi cm^2 please answer and explain
January 5, 2014

math
A square has a side of length 2 inches. How long is a side on a square that has twice the area? please answer and explain
January 5, 2014

math
my answer is 162 pi too, but the answer is a. 18 pi b. 36 pi c. 36 pi^2 d. 324 pi e. 324 pi^2
January 5, 2014

math
The area of circle c is 81 pi . if the radius of the circle is doubled, what is the circumference of the new circle ? please answer and explain
January 5, 2014

math
If 70% of the students at a school sign up for exercise Day, a sporting goods store will give the school 10% off on all purchases.There are 378 students in the school. What is the least number of students who must sign up for the school to make its goal?
January 5, 2014

math
1. What is the range on the number line for all values of x^3 if x < -2 ? 2. What is the range on the number line for all values of x^3 if -2 < x < 2 ?
December 26, 2013

math
What is the range on the number line for all values of x if -2 < x < 2 ?
December 26, 2013

math
What is the range on the number line for all values of x/2 if x < -4 ?
December 26, 2013

math
If -2 < x < 2, what is the range for - x/2 ? -2 / -2 = 1 x / - 2 = - x/2 2 / -2 = -1 1 > - x/2 > -1 Am I correct ?
December 22, 2013

math
how above this If 4 < x <14, what is the range for x-4? 4-4= 0 x-4= x-4 14-4= 10 so, 0 < x-4 < 10 Am I correct ?
December 22, 2013

math
a. -6 < 2x < 0 b. -6 > 2x > 0 c. -6 <2x < 2 d. -6 > 2x >2 e. 6 > 2x > 0 please step by step explain
December 22, 2013

math
If -3 < x < 0, what is the range for 2x ?
December 22, 2013

math
The number of square units in the area of circle P is equal to the number of units in the circumference of circle P. Assuming that the diameter of the circle must be greater than P, what is the radius of circle P ? a. 2 b. 2 pi c. 4 d. 4 pi e. cannot be determined from the ...
December 8, 2013

math
A circle of area 25 pi is graphed in the coordinate plane. If its center has coordinates (8,0), which of the following points MUST lie on the circumference of the circle? a. (0,0) b. (0,5) c. (16,0) d. (3,0) e. (0,8) please answer and explain
December 8, 2013

Macroeconomics
Where are we in the business cycle? What is the real GDP today? What is the largest component of GDP? What is the smallest component of GDP? What is the fastest growing component of GDP and why? What components of GDP were involved in the change from last month to this month...
December 1, 2013

Physics, Elena Please Help If u can.
That defeats the whole purpose of e-learning.
November 18, 2013

art
You are a museum director/gallery executive director - a person of responsibility in the arts in a place where people go to deliberately look at art. This work is not being thrust on an unsuspecting public. A local woman of wealth, married to a man with political clout, visits...
November 8, 2013

Computer Science
Give a modular exponentiation algorithm that examines the bits of b from right to left instead of left to right.
October 17, 2013

Physics
A bus travels 290 km south along a straight path with an average velocity of 81 km/h to the south. The bus stops for 25 min, then it travels 210 km south with an average velocity of 80 km/h to the south. How Long does it lasts ? Answer in units of h . What is the average ...
September 30, 2013

maths
0.9051
September 20, 2013

College Accounting
A light truck is purchased on January 1 at a cost of $27,000. It is expected to serve for eight years and have a salvage value of $3,000. Calculate the depreciation expense for the first and third years of the truck's life using the following methods. If required, round ...
August 14, 2013

statistics
ok...i'm still looking for an aswer. be.t 330 and 630 ect?
July 24, 2013

statistics
Suppose that the average score on the GMAT exam is 500 and that the standard deviation of all scores is 100 points. You would expect approximately 95% of all GMAT scores to be between
July 24, 2013

Computers C++
I really need help with this one... 1.) Look at the following declaration. enum Person { BILL, JOHN, CLAIRE, BOB }; Person p; Indicate which of the following statements or expressions is valid. A.) p = BOB; B.) p++; C.) BILL > BOB D.) p = 0; E.) int x = BILL; F.) p = ...
July 12, 2013

Computers C++ (2)
Ok... Thanks!
July 12, 2013

Computers C++ (2)
Thanks Steve! Is that I don't have a book, can't afford it too expensive. You made it clear... A, b, 7
July 12, 2013

Computers C++ (2)
1.) Assume c is a char variable. What value does c hold after the following statement executes? (Type the answer without quotes.) c = toupper('a');___________ 2.) Assume c is a char variable. What value does c hold after the following statement executes? (Type the ...
July 12, 2013

Computers C++
1.) Look at the following array definition. int numbers[] = { 2, 4, 6, 8, 10 }; What will the following statement display? cout << *numbers + 3 << endl;
July 12, 2013

Computers C++ (2)
Thank You Steve For All The Help! (If its you helping me with this one) 1.) Consider the following array definition: int values[ 5] = { 4, 7, 6, 8, 2 }; What does the following statement display? cout << ( values[ 2] + values[ 3]) << endl; 2.) Consider the ...
July 11, 2013

Computers C++
1.) Consider the following array definition: int values[ 5] = { 4, 7, 6, 8, 2 }; What does the following statement display? cout << values[ 4] << endl;
July 11, 2013

Computers C++
1). The name of an array stores the __________ of the first array element. 1) memory address 2) value 3) element number 4) subscript 5) None of these
July 9, 2013

Computers
Can someone please tell me what I'm doing wrong? #include <iostream> #include <iomanip> using namespace std; int main() { //.... //Constants for adult and child ticket costs const double cost_per_child_tix = 3; const double cost_per_adult_tix = 6; //Variables ...
July 4, 2013

Alegebra
Solution A is 60% alcohol and Solution B is 30% alcohol. How much of each is needed to make 30 gallons of a solution that is 40% alcohol
May 13, 2013

Grade 12 Calculus
I need helping in filling in the blanks/ -the angle formed at the centre of the circle by two radii is the _______ angle. -cos delta, sin delta, tan delta are known as the ___________trigonometric ration -cos (pie/2 - x)=sinx is an example of a ________ identity
May 11, 2013

Physics
A block of mass m = 2.80kg is held in equilibrium on a frictionless incline of angle= 56.6 by the horizontal force F. (a) Determine the value of F.(b) Determine the normal force exerted by the incline on the block. Hint: Draw a free-body diagram of the block. Choose a ...
May 9, 2013

Math
This is gr 12 calculus btw I need helping in filling in the blanks/ -the angle formed at the centre of the circle by two radii is the _______ angle. -cos delta, sin delta, tan delta are known as the ___________trigonometric ration -cos (pie/2 - x)=sinx is an example of a ...
May 8, 2013

Pre-Calculus
Find the inverse function for the function f(x)=2^(x)+1/2^(x)-1 You will need to use some properties of logarithmic functions to find the inverse of this particular function.
April 30, 2013

Computers
1. An 7-bit counter is wired as follows: The CLK input to the first stage (LSB) is the system clock. Each stage's output is used as the CLK input to the next higher stage. This counter is a: A. MOD 128 ripple counter B. MOD 256 synchronous counter C. MOD 256 ripple counter...
April 29, 2013

Life orientation
Discuss 5 ways in which the human or environmental problem impacts on the community.
April 22, 2013

English
Yes but I still need help
April 21, 2013

English
What are the shifts in the meaning of the word "CONQUER"? How can they be characterized and what might account for these changes? Thank you
April 21, 2013

English
Please help... What are the shifts in the meaning of the word "CONQUER"
April 21, 2013

English
What are shifts in the meaning of the word "conquer" not "conquest"...sorry...please help
April 21, 2013

English
What are the shifts in meaning of the word "Conquest"?
April 21, 2013

HSS
how the swahili language came into being
April 14, 2013

calculus
i got this. thnks
April 7, 2013

calculus
f(x)=x^2/x^2-16
April 7, 2013

calculus
Please help!! *f(x)= x(x+6)^1/2 find two x intercepts. Then show that f'(x)=0 at some point between the 2 x intercepts. *Use mean value theorem for f(x)= x(x^2-3x+1) for interval [1,4] I FOUND DERIAVITIVE WHICH IS 3X^2-6X+1.THEN? *find all critical numbers find all ...
April 7, 2013

calculus
*The sum of 6 times the length of a shed. It width is 60ft. What are dimensions that gives maximum area for floor of the shed?
April 7, 2013

History
In what three ways does the Constitution divide power?
March 27, 2013

math
(1.0425) exponent 12
March 19, 2013

Physics
A particle is moving along the x-axis subject to the potential energy function U(x) = a(1/x) + bx2 + cx – d, where a = 6.00 J m, b = 26.0 J/m2, c = 3.00 J/m, and d = 26.0 J. Determine the x-component of the net force on the particle at the coordinate x = 3.37 m. Not sure ...
February 27, 2013

Physics
Depending on the amount the mass is increased by, we can say that the force of the object is increase by x amount of mass. Example. If m2 = 3m1, a2 = a1 than F2=?F1 F2=m2a2 -> F2=3(m1)(a1) you see that (m1)(a1) is F1. In conclusion, F2 = 3F1.
February 20, 2013

Physical Science
Fnet(t) = m(t)a. YOu know the acceleration its a basic math question from here. a=7m/s/s m(t)=2100kg m(t)*a = 14,700N is the Force on the Truck
February 20, 2013

Physical Science
Fnet = ma a = Fnet/m
February 20, 2013

Maths
Solve the equation:a right pyramid with vertical height stand on rectangular base widith that measures 20cm by 14cm the hieght of the pyramid is 10cm calculate to 3 significant figure the length of the slant height , the surface area of the pyramid, volume of the pyramid
February 18, 2013

Physics
Proper design of automobile braking systems must account for heat buildup under heaving braking. Calculate the thermal energy dissipated from brakes in a 1360-kg car that descends a 13.5° hill. The car begins braking when its speed is 88 km/h and slows down to a speed of ...
February 12, 2013

Biostats
82-75= 7/4.8=1.45
February 3, 2013

Physics
A soccer ball is released from the top of a smooth incline. After 3.80 s the ball travels 9.1 m. One second later it has reached the bottom of the incline. Assume the ball's acceleration is constant and determine its value ( m/s2)
January 31, 2013

CHM
As the number of solute particles in a given volume of solution increase will: freezing point increase, vapor press decrease? or vice versa or boiling point increase, vapor pressure decrease? or vice versa?
January 13, 2013

math
How many years will it take to reach 18600 if Tina invests 1000 in an account that pays 6.5 percent interest?
January 7, 2013

maths
Prove Cos (x+60)= 2Sinx
December 3, 2012

Physics
He got 15/16 because you have to take the (-1/4*V1i)^2. You square the (-1/4) to get (1/16) and when you move it over to the other side, you will get m1v1i^2 - (1/16)m1v1i^2 = m2v2f
November 9, 2012

Physics
1. On a spacecraft, two engines are turned on for 648 s at a moment when the velocity of the craft has x and y components of v0x = 4360 m/s and v0y = 6270 m/s. While the engines are firing the craft undergoes a displacement that has components of x = 4.11 × 106 m ...
October 1, 2012

Chemistry
What does it mean if the percent of sulfate in a sample of alum is greater that the theoretical percent of sulfate in alum?
September 24, 2012

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