Sunday
December 21, 2014

Posts by Brianne


Total # Posts: 26

Math
If a bank offers a rate of 4.5% compounded semiannually, how much should you deposit to accumulate 50,000 in 15 years
November 7, 2014

Math
1. If one wishes to accumulate a 30,000-fund in 5 years, how much should he deposit now at 18% compounded quarterly? 2. If a bank offers a rate of 4.5% compounded semiannually, how much should you deposit to accumulate 50,000 in 15 years 3. Suppose that a particular ...
November 4, 2014

Math
1. If one wishes to accumulate a Php 30,000-fund in 5 years, how much should he deposit now at 18% compounded quarterly? 2. If a bank offers a rate of 4.5% compounded semiannually, how much should you deposit to accumulate Php 50,000 in 15 years 3. Suppose that a particular ...
November 3, 2014

Math
1. What are the last two digits of 9^2013? 2. Show that 5^t=2 + 3(5^t+1) - 40(5^t) is equal to zero. 3. Under certain conditions, I = 10^D/10 where D is the number of decibels of a sound and I is its intensity. If he shouts with 30 more decibels that she talks with, what is ...
November 2, 2014

Math
Find the specified term of the expansion in each of the following: a.6th term of (3x + y)^9 b.Middle term of (3x+y^3)^8 c.The term in (x + 2y)^10 that involves x^7
November 2, 2014

Math
1. The population,P, in thousands, of a country is P=10^8(1.5)^t/20 where t is measured in years. How long will it take for the population to increase 125 percent?(Hint: If the population increases by 100 percent, it doubles.) 2. How long would it take for a P10,000 investment...
November 2, 2014

math
The length of the tropical year us 365.24220 days, as compared to the length of 365.2425 days used by the Gregorian calendar. How many years will it take for this difference to amount to 8 days? Round to the nearest year.
May 7, 2014

math
Bay Area Rental Cars charges $18 a day and $.14 per mile for renting a car. You rented a car for 4 days and drove 313 miles. Find your total cost for renting the car.
May 7, 2014

math
A temperature measurement from earths stratosphere is taken as -70 degree Fahrenheit. The temperature on the earths surface below is found to be 41 degrees Fahrenheit. Find the difference between the surface temperature reading and the stratosphere temperature reading.
May 7, 2014

math
a case of diet cola costs $7.23. If there are 24 cans in a case, find the cost per can. Round to the nearest cent. then find the number of cans you can buy per $1. Round to the nearest ten. Which number is more useful? why?
May 4, 2014

chemistry
What is the limiting reagent in this problem? A total of 40.0 mL of 0.55 M copper (II) sulfate solution is added to a beaker containing 2.02g of zinc.
March 20, 2013

Physics
A closed organ pipe has a fundamental frequency of 380 Hz at 30C. What would be its next higher resonant frequency at 18C?
January 9, 2013

Algebra
An investor invested a total of $1400 in two mutual funds. One fund earned a 6% profit while the other earned a 2% profit. If the investor's total profit was $72, how much was invested in each mutual fund?
September 30, 2012

math
Mariko walks into her dark room to pull socks out of the dresser. If she has 5 pairs of white socks, 3 pairs of blue socks, and 4 pairs of pink socks that are single (not matched up), how many socks does she need to pull out to make sure she ends up with 1 matching pair?
January 24, 2012

algebra
Jose traveled to San Diego at an average rate of 50 mph. Carlos made the same trip in one hour less time at an average rate of 60 mph. Find the distance of the trip.
September 7, 2011

Math
Triangle ABC is circumscribed about circle O and D,E, and F are points of tangency. If AD= 5, EB= 5 and CF= 10, find the lengths of the sides of the triangle and show that the triangle is isosceles
May 12, 2011

honors geometry
area= 1/2(b)(h) area= 1/2(25)(14) area= 1/2(350) area= 175
May 12, 2011

science
what is the lfe expectancy of a person with tay-sachs disease
April 19, 2011

Health
Which of the following are skin lesions? A. Wheal, Vesicle, Papilloma B. Impetigo, Herpes simplex, Tinea C. Contusion, Laceration, Abrasion D. Melanoma, Squamous cell carcinoma
March 14, 2011

science
A young man happens to spot an ex-girlfriend he's trying to avoid. Why does his mouth become dry?
March 11, 2011

world history
What dominated Nubia during the period of the New Kingdom.
October 4, 2009

History
I have to write an essay about if I think Columbus Day should be celebrated or not. I have decided to take the approach talking about how he really wasn't the first to discover America, unlike kids are taught in elementary school. The problem is, who really was the first ...
September 28, 2009

5th grade social studies
King of England during the american Revolution.
September 17, 2009

Chemistry
What are some examples of covalent bonds? What are covalent bonds made of? Thanks.
March 4, 2009

science
Is the conversion of light energy to electrical energy endothermic or exothermic?
December 15, 2008

math
Suppose you toss a coin and it you win a dollar if it comes up heads. If it comes up tails you toss the coin again. This time you get two dollars if it is heads. If it is tails you toss it again. This time you win four dollars if it is heads, but if it is tails you toss it ...
October 31, 2008

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