# Posts by tracy

Total # Posts: 817

Law
Sam promises his son Jayden RM1000 per month if he begins his medical studies at University. Sam's sister, Abby, offers Jayden a place in his house if Jayden promises ti finish his studies. Jayden offers his girlfriend Mary RM50 per month if she will drive him to the ...

Mary bought a house for RM 350,000 5 years before and paid a 10% down payment and took a 15 years bank loan for the remaining amount. The bank charges 4.38% p.a. compound interest on a reducing balance basis on property loans. Mary is to repay the loan by equal monthly ...

Algebra
A rectangular garden is 54 feet longer than it is wider. Its perimeter is 292 feet. Write a system of linear equations whose solution gives the width and length of the garden. Use the substitution method to solve and check your answer.

Nancy would like to accumulate \$10,000 by the end of 3 years from now to buy a used car from her friend,Jin. She has \$2,500 now and would like to save equal annual end of year deposits to pay for the car. Calculate how much should she deposit at the end of each year in an ...

History
What impact did learning about classical science have on chirstinaity

Macroeconomics
Suppose the national debt is \$80 trillion and the government spends \$800 billion during the fiscal year on goods and services. In addition, the government collects tax revenues of \$600 billion and makes transfer payment equal to \$300 billion. Assume the economy is producing at...

Macroeconimcs
2. Suppose the national debt is \$80 trillion and the government spends \$800 billion during the fiscal year on goods and services. In addition, the government collects tax revenues of \$600 billion and makes transfer payments equal to \$300 billion. Assume the economy is ...

Math
How much would I get at the end if 1year and 6months,if I invest \$2000 at 71/2% p.a.Simple Interest?

Math
You visited your local bank. Because of your good credit, they agreed to give you a personal loan, simple interest at a current interest rate of 12.5% APR. you will pay this back in 1 year Interest=prt= Total Payment =Principle +interest = Payment per month= total payment/12=

Math
An open box is formed from a piece of cardboard 12 inches square by cutting equal squares out of the corners and turning up the sides. Find the volume of the largest box that can be made. Help!

Business Math ( Future ordinary Annuities)
okay, i get it. Thanks for helping

Business Math ( Future ordinary Annuities)
can i ask why the first four years need to multiply (1.03)^72

Business Math ( Future ordinary Annuities)
Howard has deposited RM1000 at the end of each month into a retirement savings plan for the last 10 years in his working life. His deposits earned an interest rate of 2.5% per month for the first 4 years and 3% per month for the rest of the years. What is the accumulated value...

Algebra
Mary starts at a point 26 miles from school and runs toward school at 6mph. Randy starts from school 1.3 hours later and runs towards Mary at 8mph. For how long has Mary been running when she and Randy meet?

satistics
What is t? What is r2? n = 25 MD 4.7 s2 = 64

algebra
lisa is six less thatn twice chris's age.write an expression for lisa's age

Statistics
Assume a study of 500 randomly selected school bus routes revealed 480 arrived on time. Is it significant for a school bus to arrive late?

Social studies
Example of human features

Report Writing
The narrative of a crime report and the narrative of an arrest report: a. are totally different b. need to be written in present tense and passive voice, c. follow the same rules d follow different rules

language arts
make a possessive noun with these letters s,e,g,h,r,t,m,l,a,n

Spanish Dos Questions
1. Which of the following is a common greeting in the Spanish speaking world? a) ducharse b) despedirse c) pelearse d) besarse *** ^^^ IDK because to say goodbye seems kinda correct too except it's not as much of a greeting? 2. Paco esta a) durmiendo *** b) dormiendo c) ...

Spanish Two
1. Which word belongs in the blank? ______ compro el libro a Ana. a) La b) Le (MY ANSWER) c) Lo d) Ella 2. He brings us a cake on Sundays. a) Nos trae un pastel...(MY ANSWER) b) Me trae un pastel... c) Les trae un pastel... d) Os trae un pastel... 3. How would you ask your ...

Algebra
Approximately 2000 tickets are being sold for a car show next Saturday. The cost of a ticket for an adult is \$4 and for a child, it’s \$2. The total amount collected on Friday was \$6400. Find the number of adult tickets and child tickets sold on Friday?

Chemistry
Methane (CH4) is the major component of natural gas. 2.5 moles of methane were placed in a commercial colorimeter and subjected to a combustion reaction. The reaction released 2800 kJ of energy. Compare this energy value to the energy values of paraffin and diethylene glycol. ...

Chemistry of Life Science
1. In the introduction to this experiment, it states that you reacted 2.5 grams of salicylic acid with an excess of acetic anhydride, meaning that there would be a higher number of moles of acetic anhydride then salicylic acid, proportionally. Assuming the density of acetic ...

math
5 part question. 1st part is Mr. Black has 3 baskets of apples in his store. in each basket are 9 red, 6 granny, 5 empire, 3 Fuji and 1 honeycrisp. What is the total number of each kind in the basket. We have 72 as the answer.

math
chuck traveled 120 miles in 2 hours. Find the number of miles per hour he traveled

math
Of the set -5,,5,-3,8 which two numbers have the same absolute value?

math
Of the set -5,,5,-3,8 which two numbers have the same absolute value? explain

Chemistry
30" cylinders drum which 3 ' high completely filled with water what is the weight of the water in the drum

health
Self actualization means when you focus on yourself all the time

physics
if a car moves 12km North, 19km East, and 12km South, a) Find the total distance covered. b) Find the car's displacement.

Math
Find the missing coordinate of p, using the fact that p lies on the unit circle in the given quadrant. P( ), -3/7

Algebra
You normally buy a crate of wine for \$75. One crate has 6 bottles of wine. After a month, the store clerk informs you that the same crate of wine now costs \$82. However, there are 7 bottles in a crate. To the nearest cent, determine the average cost of the crate from last ...

math
0.0720647773279352

Math
2 quarters 5 dimes 11 nickels 1 penny

MATH
If the demand function for a commodity is given by equation p^2+12q=18 and the supply function is given by the equation 700-p^2+6q=0, find the equilibrium quantity and price

math
For f(x) and g(x) given below, find the following, f(x) = (x-1)^5, g(x)=1-6x a) (f of g)(x)= -7776x^5 b) (g of f)(x)= -6x^5+30x^4-60x^3+60x^2-30x+7 c)f(f(x)= d) f^2(x)=(f*f)(xx)= Im stuck on c and d

statistics
what is the r value

ENGLISH
#speech. TopIc:afRican slaughter rituals should be allowed in the suburbs?

solve math problem
A group of 9 workers decides to send a delegation of 3 to their supervisor to dicusss their grievences. c.) If there are 4 women and 5 men in the group, how many delegations would include at least 1 women? I know I have to use combination C(9,1)x C(9,4) but I'm lost after ...

Algebra
How do I find the cost of a cell phone plan if I use 400 day-timme minutes. is it the cost times the minutes plus contracts if any or just cost times the minutes. Please help me!

intermeidatealgebra
9a+7b/2-9a-7b/2

intermediatealgera
2x/x-2-4/x-2

intermediatealgera
9y^2/y-1+-9y/y-1

intermeidatealgebra
x+3/15+8/15

Math
AorC

algebra
2(-2)-4(-3)/5-8 -4-4(-3)/5-8 -4+12/5-8 -8/3

algebra
5X2-3to the second power over [3to the second power-(-2)] to the second power. 5X2=10-9=1 9X2=18=134

health
A friend plays video games 6 hours a day and gets upset when called to dinner with the family. This is a sign of? (a)anxiety disorder (b)a phobia (c)bipolar disorder (d)impulse control disorder

college algebra
Find the Inverse (x)=√2x+9

math
a city is served by two newspapers-the Tribune and the Daily News. Each Sunday a reader purchases one of the newspapers at a stand. The following transition matrix contains the probabilities of a customers buying a particular newspaper in a week given the newspaper purchased ...

In each bouquet of flowers, there are 4 roses and 6 white carnations. Complete the 4 and 6 table to find out how many roses and carnations there are in 4 bouquets of flowers? Please help answer

Algebra

Algebra
Write 3 ratios equivalent to the ratio of boys to girls on the bus is 20/15? Please help answer

Limits
Lim of [1/(3+x)]-(1/3)/x as x approaches 0 is?

math
Rainfall for September in Fiji averages 11" according to World Travel Guide. This year it rained 3% less. How many inches did it rain this year? (Round to the nearest tenth.)

Newtons Law of Cooling
using Newton's Law of Cooling: At 10:30 am the medical examiner arrives at a crime scene where a dead body has been found. The temperature of the body is 80 degrees F and the thermostat for the room in which the body was found is set at 68 degrees F. One hour later the ...

physics
Jack drops a stone from rest off of the top of a bridge that is 24.4 m above the ground. After the stone falls 6.6 m, Jill throws a second stone straight down. Both rocks hit the water at the exact same time. What was the initial velocity of Jill's rock? Assume upward is ...

Accounting
On October 10, 2010, Mason Engineering Company completed negotiations on a contract for the purchase of new equipment. Under the terms of the agreement, the equipment may be purchased now or Mason may wait until January 10, 2011, to make the purchase. The cost of the equipment...

describe scenarios that depicts the different ways to manage business commerce

Delcambre High
a trail mix recipe calls for 1/3 pound of mixed nuts, 4/15 pound of raisins and 2/5 pounds of granola. What is the ratio of raisins to mixed nuts in simplest form?

POL201
The tendency of Congress to defer to the President in foreign policy has at times led to

Algebra
factoring 18z+45+z^2

science
Hello Ms.Sue I think the answer to question number 5. Is Kinetic. Could you let me know if this is correct? Thank you!

Algebra
Factoring 9w-w^3

math
Evidence of an increased risk of lung cancer associated with cigarette smoking was sought by Doll and Hill. In one study, 649 lung cancer cases were matched by age, and gender to 649 controls; 647 of the cases and 622 of the control had a history of smoking cigarettes. a. Name...

epidemiology
In another study, the smoking habits of 34,445 male physicians were obtained by mailed questionnaires. Deaths among these physicians over the subsequent years were identified though contact with the office of the Registrar General. The death rates from lung cancer of these ...

epidemiology
In another study, the smoking habits of 34,445 male physicians were obtained by mailed questionnaires. Deaths among these physicians over the subsequent years were identified though contact with the office of the Registrar General. The death rates from lung cancer of these ...

Epidemiology
Evidence of an increased risk of lung cancer associated with cigarette smoking was sought by Doll and Hill. In one study, 649 lung cancer cases were matched by age, and gender to 649 controls; 647 of the cases and 622 of the control had a history of smoking cigarettes. a. Name...

Algebra
5670 compounded annually at a 3.5 interest rate once a year yields what in interest

Algebra
P=A (1+r)6 -n P=2000 (1+0.05) ^-n P=2000 (1.05)^ -12 =?

Algebra
You did not give an answer

Algebra
2000/1.05^12

STATS
Suppose we are testing the null hypothesis H0: ì = 20 and the alternative Ha: ì 20, for a normal population with ó = 5. A random sample of 25 observations are drawn from the population, and we find the sample mean of these observations is = 17.6. The P-...

Stats
Damon, thank you!

Stats
Assume that event A occurs with probability 0.4 and event B occurs with probability 0.5. Assume that A and B are disjoint events. The probability that either event occurs (A or B) is A. 0.0 B. 0.7 C. 0.9 D. 1.0.

Stats
These are my options. A.0.30 B.0.40 C.0.60 D.0.90

Stats
I added the mean of 21 and SD of 10 and the probability is 0.9715. That is not one of my options, please help!

Stats
The high temperature X (in degrees Fahrenheit) on January days in Columbus, Ohio varies according to the Normal distribution with mean 21 and standard deviation 10. The value of P(X < 10) is

Stats
Let the random variable X be a random number with the uniform density curve given below. P(0.6 < X < 0.9) is

Statistics
Assume that adults have IQ scores that are normally distributed with a mean of 100 and a standard deviation of 15. Find the IQ score separating the top 37% from the others. Answer in one decimal place.

Chemistry
What is the enthalpy change if 25.0 g of methane are burned? 890kJ of heat released for every mole of methane that reacts. CH4 + 2O2 = CO2 + 2H2O

Stats
4. A least squares regression line to predict a student’s Stat145 test score (from 0-to-100) from the number of hours studied was determined from a class of 55 Stat145 students: ̂ = 48.2 + 2.21x. One student in the class studied for 18 hours and scored 82 on the exam...

Statistics
Thank you! :)

Statistics
In a study, nine tires of a particular brand were driven on a track under identical conditions. Each tire was driven a particular controlled distance (measured in thousands of miles), and afterward the tread depth was measured. Tread depth is measured in “mils.” Here...

In a study, nine tires of a particular brand were driven on a track under identical conditions. Each tire was driven a particular controlled distance (measured in thousands of miles), and afterward the tread depth was measured. Tread depth is measured in “mils.” Here...

Math
Archaeologists often find only parts of ancient human remains. For example, they may find a small finger bone, called the metacarpal bone. Is it possible to predict the height of a human from the length of his or her metacarpal bone? To investigate, a researcher measures the ...

STATS
Is the answer C?

STATS
So B is not the correct answer?

STATS
Archaeologists often find only parts of ancient human remains. For example, they may find a small finger bone, called the metacarpal bone. Is it possible to predict the height of a human from the length of his or her metacarpal bone? To investigate, a researcher measures the ...

algebra & trigonometry
One number x. So, the other number: 210 – x. According to the given condition, x^2 = 210 – x, ox^2 + x – 210 = 0, or (x + 15) (x – 14) = 0, or x = –15 or 14. Therefore, one number is either –15 or 14 and the other number is either (210 + 15) = 225...

STATS
Suppose that the average weight of students in a statistics class is 75.5 kilograms with a standard deviation of 10.3 kilograms. Using the 68-95-99.7 rule, what is the lower bound for the weight of the top 2.5% of students?

STATS
Yes! Thanks. :) I have one more question. Suppose that the average weight of students in a statistics class is 75.5 kilograms with a standard deviation of 10.3 kilograms. Using the 68-95-99.7 rule, what is the lower bound for the weight of the top 2.5% of students.

STATS
Thank you that helps a lot. I have been struggling with this. C. What percent of students weigh less than 60.1 kilograms? Z=(60.1-75.5)/10.3=-1.49 I checked the z-table and the probability is .0681. .0681*100=6.8% Is this problem correct?

STATS
Suppose that the average weight of students in a statistics class is 75.5 kilograms with a standard deviation of 10.3 kilograms. B. What percent of students have weights greater than 80.1 kilograms?

STATS
Thanks!

STATS
Suppose that the average weight of students in a statistics class is 75.5 kilograms with a standard deviation of 10.3 kilograms. A. 45% of the student weights are above ____ kilograms? Z=.3264=x-75.5/10.3 Now what?

stats
how do I find the margin of error for the given values of c,s,and n c=0.95, s=2.1,n=100

Physical Science
(c) ____Cl2(g) + ____KBr(aq)h____Br2(l ) + ____KCl (aq) (d) ____CH4(g) + ____O2(g)h____CO2(g) + ____H2O(l )

1. Pages:
2. 1
3. 2
4. 3
5. 4
6. 5
7. 6
8. 7
9. 8
10. 9
11. Next>>