brianne

Popular questions and responses by brianne
  1. 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

    asked on November 2, 2014
  2. 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

    asked on October 31, 2008
  3. science

    WHAT IS SCIENCE?

    asked on October 2, 2019
  4. 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

    asked on January 24, 2012
  5. science

    Read the scenario and answer the following questions: a. How could the scenario have been prevented? b. How should the student respond in the scenario to minimize the harm? During an experiment, Carin carefully pours solution A from a test tube into a

    asked on October 9, 2019
  6. science

    A scientific theory is something that has been tested and there is a general idea of. A scientific law is something that has proven itself, and is agreed, to be a thing that is part of natural order, it can never change. On the other hand, a scientific

    asked on October 2, 2019
  7. Chemistry

    If 845mL of a 2.5x10^-5 mol/L solution of Ni(NO3)2 was mixed with 195mL of a 4.86x10^-2 mol/L solution of KOH, would precipitate form? Calculate the ion product for the potential precipitate. The Ksp of Ni(OH)2(s) is 6.0x10^-16

    asked on May 14, 2016
  8. Chemistry

    What is the gram solubility of Mg(OH)2 in a 0.55mol/L solution of KOH if the Ksp of Mg(OH)2 is 9.0x10^-12?

    asked on May 14, 2016
  9. Native Studies

    I am to read "Final Statement of Louis Riel at his Trial in Regina, 1885" and list the TWO main ideas that Riel attempts to get across but am having trouble finding what they could be. I did notice he spoke highly of "God" and the "creator" and how he had

    asked on February 24, 2015
  10. Math

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

    asked on November 7, 2014
  11. 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

    asked on November 4, 2014
  12. 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

    asked on November 3, 2014
  13. 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

    asked on November 2, 2014
  14. 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

    asked on November 2, 2014
  15. 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.

    asked on May 7, 2014
  16. 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.

    asked on May 7, 2014
  17. 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

    asked on May 7, 2014
  18. 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?

    asked on May 4, 2014
  19. 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.

    asked on March 20, 2013
  20. Physics

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

    asked on January 9, 2013
  21. 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?

    asked on September 30, 2012
  22. 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.

    asked on September 7, 2011
  23. 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

    asked on May 12, 2011
  24. science

    what is the lfe expectancy of a person with tay-sachs disease

    asked on April 19, 2011
  25. 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

    asked on March 14, 2011
  26. science

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

    asked on March 11, 2011
  27. world history

    What dominated Nubia during the period of the New Kingdom.

    asked on October 4, 2009
  28. 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

    asked on September 28, 2009
  29. Chemistry

    What are some examples of covalent bonds? What are covalent bonds made of? Thanks.

    asked on March 4, 2009
  30. science

    Is the conversion of light energy to electrical energy endothermic or exothermic?

    asked on December 15, 2008
  1. Social Studies

    I think the answer is D. Natural rights. Am I correct? I'm in 6th grade and is having a huge quiz coming up.

    posted on May 13, 2019
  2. english

    I need hekp

    posted on February 8, 2017
  3. Native Studies

    thank you Jamlle, that would be very helpful if you could help at all!

    posted on February 24, 2015
  4. honors geometry

    area= 1/2(b)(h) area= 1/2(25)(14) area= 1/2(350) area= 175

    posted on May 12, 2011
  5. 5th grade social studies

    King of England during the american Revolution.

    posted on September 22, 2009