# The ages in years of the houses on Kelly’s block are 20, 26, 11, 2, 28, 18, 2, and 27. Find the mean age of the houses. Find the median age. Find the mode. Which measure(s) would you use to

21,153 results, page 46
1. ## math

If you invest \$17,000 a year for 11 years, at 4% compounded monthly, what would the balance be at the end of 11 years?

asked by Linda on March 29, 2012
2. ## Algebra

An isotope has a half-life of 97 years. how much of a 19-gram sample is left after 150 years?

asked by Miles on November 13, 2014
3. ## math

Helen is x years old her brother john is 4 years older what is johns age in terms of x

asked by uni on November 20, 2014
4. ## physical science

cobalt-60 has a half-life of 5.26 years, how much of a 500 gram sample will be left after 21 years

asked by sue moore on February 16, 2013
5. ## Math

Write and solve an equation for the situation. Eight and one-half years ago, Steven was 7 years old. How old is he now?

asked by Bell on December 5, 2012
6. ## Math

Write the given sentence as an equation. Tim’s age in 7 years will be three times what it was 19 years ago. A. 3(t + 7) = t – 19 B. t + 19 = 3(t – 7) C. t + 7 = 3(t – 19) D. 3(t + 19) = t – 7 need help

asked by LovelyCaity on October 2, 2014
7. ## English

During the Sadat years, what was the relationship like between Egypt and Israel? Explain the different events that happened during those years

asked by 2-17 on October 29, 2017
8. ## Chemistry

the half-life of cobalt-60 is 5.20 years.. how many milligrams of a 2.000-mg sample remains after 6.55 years

asked by joe on October 9, 2012
9. ## 3rd grade - Solor System

How many years does it take Jupiter to orbit the sun? One year on the this planet would actually be how many earth years long?

asked by John on February 21, 2010
10. ## maths

Eric is twice as old as Ernest, who in turn is 5 years older than mike.if their total age is 47 years, how old is each of them?

asked by Emmanuel on October 5, 2016
11. ## Algebra

4000. invested at a APR of 6% for 8 years compounded anually, what is the amount of money after 8 years

asked by Debra on May 27, 2010
12. ## Math

Barry is 8 years older than his sister. In 3 years, he will be twice as old as she will be then. How old is each now? Please show work! I don't understand.

asked by ANNIE on March 6, 2013
13. ## Managerial Finance

The IF for the future value of an annuity is 4.5 at 10% for 4 years. If we wish to accumulate 8,000 by the end of 4 years, how much should the annual payment be

asked by Mickey on November 22, 2009
14. ## Finance

Life expectancy has risen to 78.3 years according to the Centers of Disease Control and Prevention. The average Roman’s lifespan 2,000 years ago was 22 years. In 1900, a person was expected to live 47.3 years. In 2013, assume you are a 42-year-old

asked by Spork on November 20, 2015
15. ## Fianacial Management in Health Care Organizations

Resource: Ch. 5 of Financial Management in Health Care Organizations. „h Calculate the future value of the following: o \$5,000 compounded annually at 6% for 5 years o \$5,000 compounded semiannually at 6% for 5 years o \$5,000 compounded quarterly at 6%

asked by Laura Alfonso on April 17, 2010
16. ## I don't understand how you did it help

A \$4000 deposit at an APR of 5.6% with a quarterly compounding for 8 years . The amount after 8 years would be ???

asked by Tommy on January 28, 2013
17. ## math

After 12 years manoj will be 3 times as old as he was 4 years ago. Find his present age.

asked by Anonymous on February 25, 2012
18. ## maths

after 12 years ajay will be three times as old as he was 4 years ago. find his present age

19. ## half-life

the half life of isotope X is 2.0 years how many years would it take for 4.0 mg sample of X to decay and have .50 mg of it remain?

asked by vanessa on May 3, 2016
20. ## MATH HELP

A \$2,000 deposit at an APR of 5.4% with quarterly compounding for 8 years. The amount after 8 years will be??

asked by Dave on January 28, 2013
21. ## calculus2

When the half-life of uranium U232 92 for 74 years . What is the percentage remaining after 10 years ?

asked by drJon on March 26, 2016
22. ## Algebra

H = P * a^ t p- will be equal to 125 a- will be 3^ t- will be 4 years so how many Homes' will be built for H in 4 years, how do I write this formula

asked by Mayl on July 5, 2010
23. ## math

suppose a population has a doubling time of 15 years. By what factor will it grow in 30 years?

asked by issa on November 30, 2011
24. ## precalculus

An investment decreases by 4% per year for 3 years. By what total percent does it decrease after the 3 years?

asked by josh on March 3, 2011
25. ## child developement

compare 3 children 4 years, 18 months, 10 years to physical or cognitive growth

asked by Anonymous on November 19, 2014
26. ## math

what is the total investment after 2 years if 400\$ at 9% is compounded semi-annually for 2 years

asked by Anonymous on February 25, 2015
27. ## math

after 12 years manoj will be 3times as old as he was 4 years ago. find his present age

asked by snehil on July 7, 2013
28. ## Social Studies

How many years were there between the Lousiana Purchase and its exploration? Is it 104 years? 1699-1803?

asked by Andrew on January 26, 2012
29. ## math

alex is x years old his sister is 3 years older , togerther their age is 57. what is the equation for this.

asked by chris on March 23, 2012
30. ## History

During the Sadat years, what was the relationship like between Egypt and Israel? What were different events that happened during those years.

asked by Darlene on October 24, 2017
31. ## statistics

No calculation required. what test would be used to predict what the tuition will be in 20 years if it has gone up the past five years?

asked by red on May 5, 2013
32. ## Physics

Half life of radium is 44 years.The sample will reduce to 50% of its orignal value after how many years?

asked by Salman on January 28, 2017
33. ## math

alex is x years old his sister is 3 years older , togerther their age is 57. what is the equation for this.

asked by chris on March 23, 2012
34. ## English

1. Andy has lived for 40 years. 2. The animal has existed for 7 years. (Are the sentences grammatical?)

asked by rfvv on December 5, 2010
35. ## arithmetic

after 12 years, ria will be 3 times as old as she was 4 years ago. find her present age.

asked by nishu on August 27, 2013
36. ## algebra

\$8000 principle earning 3% componded annually, 4 years. What will be the balance after 4 years?

asked by grace on May 24, 2016
37. ## Finance

You will deposit \$2,000 at the end of each of next 5 years. If the interest rate is 7.6%, how much will you have accumulated in 15 years?

asked by Finance on February 2, 2011
38. ## computers

How is the SIMM an improvement on the SIPPs and DIPs that preceded it? a. SIMMs are larger and thus hold more memory. b. Every SIMM houses a row of pins on each side. c. The SIMM is soldered to the system board.

asked by m on March 27, 2015
39. ## Physics

A small block of mass m rests on the sloping side of a triangular block of mass M which itself rests on a horizontal table. Assuming all surfaces are frictionless, determine the magnitude of the force ->F that must be applied to M so that m remains in a

asked by Physics on September 23, 2009
40. ## maths

A metal block of length 4cm breath 3cm height 2.5cm weight 500gm what is the mass of a block of length 5cm breath 4cm made of same metal

asked by manoj saikia on November 8, 2017
41. ## chemistry ugg!

what is the age of a rock whose Argon 40 / Potassium 40 ratio is 1.55? The half life of Potassium 40 is 1.28 x 10^9 years I am confused on this question theres no examples in my book but i have to know it can someone explain to me how to get to the answer?

asked by Andrew on June 15, 2006
42. ## I NEED MATH HELP

\$24,000 is invested for 3 years with an APR of 2% and daily compounding. Balance in the account after 3. years is \$ ___

asked by Dave on January 28, 2013
43. ## HELP ME MATH PLEASE

\$1000 invested at an APR of 9% for 9 years. If interest is compounded annually, what is the amount of money after nine years?

asked by Dave on January 28, 2013
44. ## MATH I NEED HELP

\$24,000 is invested for 3 years with an APR of 2% and daily compounding. Balance in the account after 3. years is \$ ___

asked by Dave on January 28, 2013
45. ## NEED HELP MATH HELP

\$3000 invested at an APR of 5% for 7 years. If interest is compounded annually , what is the amount of money after 7 years?

asked by Dave on January 28, 2013
46. ## Math

Write and solve an equation for the situation. Eight and one-half years ago, Steven was 7 years old. How old is he now? Explain.

asked by Bell on December 5, 2012

\$9000 invested at an APR of 9% for five years. In interest is compounded annually, what Ia the amount of money after 5 years?

asked by Dave on January 27, 2013
48. ## NEED HELP MATH HELP

\$3000 invested at an APR of 5% for 7 years. If interest is compounded annually , what is the amount of money after 7 years?

asked by Dave on January 28, 2013
49. ## Calc

Radioactive radium () has a half-life of 1599 years. What percent of a given amount will remain after years?

asked by Pamela on April 16, 2012
50. ## Grammar and hyphens

Select the sentence which is correctly punctuated. A) His step-daughter is 13 years old. B) His stepdaughter is 13 years old. I answered A

asked by Marie on October 31, 2012
51. ## MATH HELP

\$1000 invested at an APR of 9% for 9 years. If interest is compounded annually, what is the amount of money after nine years?

asked by Dave on January 28, 2013
52. ## chemistry

Strontium-90 has half-life of 28 years. if a 1.00-mg sample was stored for 112 years. what mass of Sr-90 would remain?

asked by bob on April 6, 2010
53. ## math

Mary is now three times as old as her daughter. Four years ago the products of their age was 40 .calculate their present years

asked by dama on November 24, 2016
54. ## matg

Cobalt-60 has a half-life of about 5 years. How many grams of a 300 g sample will remain after 20 years? (Points : 1)

asked by Anonymous on November 6, 2014
55. ## math

my house payment is 800 dollars a month @ 5.5 % interest for 30 years at the end of 30 years ,how much would i pay ?

asked by thomas on February 16, 2011
56. ## math

my house payment is 800 dollars a month @ 5.5 % interest for 30 years at the end of 30 years ,how much would i pay ?

asked by thomas on February 16, 2011
57. ## Math

5 years,21days,4hours,32min,17sec - 2 years,93days,7hours,47min,24sec -------------------------------------

asked by Juan on October 10, 2011
58. ## NEED MATH HELP

\$3000 invested at an APR of 5% for 7 years. If interest is compounded annually , what is the amount of money after 7 years?

asked by Dave on January 28, 2013

Write a system of equations to match each of these problems. Then solve the equations using the method... Substitution, or linear combinations. _____________________________________ 1. Dan is 4 years older than his brother Gabriel. Together their ages

asked by JORDAN on October 1, 2014
60. ## Physics

I really need help with only this two problems. 1. A 6.0 kh block, sliding to the east across a horizontal, frictionless surface with a momentum of 30 kg*m/s^, strikes an obstacle. The obstacle exerts an impluse of 10 N*s to the west on the book. The speed

asked by Priscilla on February 3, 2010
61. ## Math

You borrow \$2,000 for a period of 4 years. You are charged simple interest at a rate of 3%. How much will you repay at the end of 4 years? So, do I draw out the formula I = P x R x T. I = Interest - unknown P = Principal - 2,000 R = Rate - 3%, 3 / 100 =

asked by Mae on January 7, 2016
62. ## Physics

A block of mass M1 = 160.0 kg sits on an inclined plane and is connected to a bucket with a massless string over a massless and frictionless pulley. The coefficient of static friction between the block and the plane is ms = 0.52, and the angle between the

asked by Lindsay on December 9, 2007

I have a science project type of thing, I'm not asking for any answers. Just a breif and easier explanation on what to do, any help is appreciated. The length of a football field is 100 yards. When you compare geologic time (4.6 billion years) to the

asked by river on January 7, 2016
64. ## algebra

Hannah invests \$3850 dollars at an annual rate of 6% compounded continuously, according to the formula A=Pe^rt, where A is the amount, P is the principal, e=2.718, r is the rate of interest, and t is the time, in years. (a) Determine, to the nearest dollar

asked by Carla on July 27, 2012
65. ## Physics

a block of mass m= 15.6kg is to be pushed with force F a distance of D=5.65m along an incline so that it s raised a distance h=3.86m in the process.Assuming frictionless surfaces. Determine: A) The work done by the force F parallel to the incline to pst

asked by nemo on February 22, 2013
66. ## english II

MECHANICS (errors in the use of italics) answers is A.The publishers of Rolling Stone have begun a new magazine called Family Life. B.If you like zest in your food, add just a soupcon of crushed red pepper to your white clam sauce. C.The screen adaption of

asked by Shaquitta on November 24, 2009
67. ## Math

Serena wanst to borrow \$15 000 an pay it back in 10 years. Interest rates are so high, so the bank makes her 2 offers option 1 - borrow the money at 12%/a compounded quarterly for the full term option 2 -Borrow the money at 12%/a compunded quarterly for 5

asked by Annie on January 10, 2012
68. ## statistics

The following table shows the summary statistic of the cholesterol levels of two groups of men in 2014. From 25 to 40 years old, the mean is 224, standard deviation is 5.5 and the sample size is 12. From 41 to 55 years old, the mean is 230, standard

asked by poon on November 15, 2014
69. ## Math

Because of a recession, the value of a new house depreciated 10% each year for 3 yr in a row. Then, for the next 3 yr, the value of the house increased 10% each year. Did the value of the house increase or decrease after 6 yr? Explain. I feel that the

asked by Roger on February 6, 2011
70. ## math

a man places \$700 in an account that accrues interest continuously. Assuming no additional deposit and no withdrawals, how much will be in the account after 10 years if the interest is a constant 7.5% for the first six years and a constant 8.25% for the

asked by diana on August 3, 2016
71. ## Algebra( check my answers)

1. Juan deposited \$200 in a savings account earning 3% interest over 2 years. What was the total amount of interest earned after 2 years? \$12 \$24 \$120 ( my answer) \$240 2. Mary borrowed \$11,000 at 5% interest for 4 years. What was the total interest? \$22

asked by Sara on September 19, 2014
72. ## physics

One last question: If a 12lb. block is slowly tilted from horizontal when the plank reaches 30 degrees the block begins to slide. To find the coefficient of the static friction you take the tangent form of 30 degrees? To find the friction force you

asked by Charles on January 27, 2008
73. ## math

In an extra-sensory-perception experiment, a blindfolded subject has two rows of blocks before him. Each row has blocks numbered 1 to 10 arranged in random order. The subject is to place one hand on a block in the first row and then try to place his other

asked by Anonymous on October 19, 2007
74. ## Calculus

Universal instruments found that the monthly demand for its new line of Galaxy Home Computers t months after placing the line on the market was given by D(t) = 2900 − 2300e−0.08t (t > 0) Graph this function and answer the following questions. (a) What

asked by Emma on July 19, 2012
75. ## math help

Universal instruments found that the monthly demand for its new line of Galaxy Home Computers t months after placing the line on the market was given by D(t) = 2900 − 2300e−0.08t (t > 0) Graph this function and answer the following questions. (a) What

asked by Ellen on July 21, 2012
76. ## Math

Brilli the ant has a block of cheese that is in the shape of an equilateral triangle. She is hosting a party, and has invited her two-legged house mates. She insists that all of her guests get a piece of cheese that is in the shape of an isosceles

asked by Mark on July 16, 2013
77. ## Math

Brilli the ant has a block of cheese that is in the shape of an equilateral triangle. She is hosting a party, and has invited her two-legged house mates. She insists that all of her guests get a piece of cheese that is in the shape of an isosceles

asked by Mark on July 15, 2013
78. ## guidance and dicipline

ms wigg find that a two year old billy is throwing a tantrum because james will not share his tricycle with him. billy tantrum is likely due to his immaturity and a. physical immaturity b. cognetive immaturity c. undeveloped communication ability d.

asked by siulaniperez on March 4, 2015
79. ## math

a city block 500ft by 500ft is an unobstructed paved lot, except for a small office building 100ft by 100ft, centered in the middle of the block. What's the shortest distance from the SW corner to the NE corner, going through the paved lot and along (but

asked by sarah on March 8, 2010
80. ## geometry

You've got a sizable chunk of delicious sharp cheddar. Your block of cheese is a perfect rectangular solid, dimensions are 10in x 13in x 14in. PLEAASSSEE HELP You have 10 friends at your house, so you cut 10 slices. Each slice is of width 1in, and it is

81. ## Math

In Gulshan the ratio of private homes to apartment is 3:5. If all the apartments are brick made and 1/10 of the private homes are wooden, what is the maximum portion of houses that may

asked by Anonymous on July 28, 2016
82. ## econ

I was wondering if someone had to do a supply and demand curve for the subprime mortgages would they just show how the supply of houses increased causing the demand and prices to drop?

asked by sonia on August 5, 2009
83. ## American History

Do you think the Social Gospel reformers and those who started settlement houses had realistic goals? Why or why not? Actually, I don't quite understand what it means by "realistic goals".Can anyone please explain? Thanks!

asked by dickson on January 3, 2008

1) An old wooden tool is found to contain only 11.9 percent of 14C that a sample of fresh wood would. How many years old is the tool? 2) A specimen taken from the wrappings of a mummy contains 7.02 g of carbon and has an activity of 1.34 Bq. How old is the

asked by Sandhya on April 19, 2008
85. ## College Statistics

How much should you invest each month in order to have \$800,000 if your rate of return is 5.3% compounded monthly and you want to achieve your goal in 40 years? How much interest will you earn? How much should you invest each month in order to have

asked by onlyzoe_! on December 16, 2016
86. ## chemistry

90Sr is one of the harmful radionuclides resulting from nuclear fission explosions. It decays by a first-order process with a half-life of 28 years. How many years would it take for 99.99% of a given sample released in the atmosphere to disintegrate?

asked by omar on April 29, 2010
87. ## Finance

You buy a very risky bond that promises a 9.5% coupon and return of the \$1,000 principal in 10 years. You pay only \$500 for the bond. You receive the coupon payments for 3 years and then the bond defaults. After liquidating the firm, the bondholders

asked by Gina on December 15, 2009
88. ## PHYSICS

A 200g block slides back and forth on a frictionless surface between two springs, as shown. The left-hand spring has k = 130 N/m and its maximum compression is 16cm. The right-hand spring has k = 280 N/m. Find (a) the maximum compression of the right-hand

asked by Sarah on February 12, 2014
89. ## Kinetic energy

steel ball of mass 0.310 kg is fastened to a cord that is 86.0 cm long and fixed at the far end. The ball is then released when the cord is horizontal, as shown in the figure. At the bottom of its path, the ball strikes a 3.10 kg steel block initially at

asked by Anonymous on April 26, 2015
90. ## phys

Two blocks of mass m1 = 1.70 kg and m2 = 5.20 kg are connected by a massless cord passing over a frictionless pulley as shown in the figure below, with θ = 41.0°. The coefficient of kinetic friction between block 1 and the horizontal surface is 0.400,

asked by victpr on October 1, 2016
91. ## Math

A company is planning to expand its business in a few years. New plant construction costs are estimated to be \$4.75 per square foot. The company invests \$850,000 today at 6% compounded quarterly/ a) How many square feet could be built in 3 1/2 years? b) If

asked by Mia on April 14, 2014
92. ## Chemistry

half life of tritium is 12.5 years. how much will remain after 100 years if you started wit 256 grams?

asked by Anonymous on October 14, 2010
93. ## Math

Calculate the CPI for this year and for 5 years from now. Project the price 5 years from now of an item that you commonly buy like gas?

asked by Lisa on November 26, 2017
94. ## Math

Calculate the interest and the total amount. a)a loan of \$1750 at a 4.8% for over five years. b)an investment of 1500 at 3% per year over three years.

95. ## Math\

Victor is y years old .His 9-year-old sister Marsha is 4 years younger than he is Write an equation to represent this situation would this be like 9+4=Y

asked by Sophya on April 17, 2017
96. ## psychology

A histogram shows that the mean of rain in your area has increased over the last five years. What is the probability that the mean will be higher this year than in the previous five years?

asked by shelly on January 14, 2011
97. ## Mathematics

Patrick invests a sum of money for 2.5 years at 12% p.a. compounded monthly. If he earns \$11305 after 2.5 years, how much is his investment?

asked by Renee on March 26, 2012
98. ## math

Mr. puts \$10,000 into a CD that pays 8.5% interest compounded monthly. If he keeps the money invested for 10 years, what will be the value at the end of 10 years?

asked by deb on June 12, 2011
99. ## Math!!!!!

Fanny invests \$12000 at 6% p.a. For 2 years. Find the amount she will obtain after 2 years if the interest is compounded monthly

asked by Nicole on March 26, 2012
100. ## Math

23.You plan to save \$1,400 for the next four years, beginning now, to pay for a vacation. If you can invest it at 6 percent, how much will you have at the end of four years

asked by G on July 17, 2010