a mother wants to invest 5000 for her sons future education. She invests a portion of the money in a bank certificate of deposit which earns 4% and the remainder in a savings bond that earns 7%. If the total interest earned after one year is $300.00,how much money was invested...
Sunday, August 23, 2015 by naomi
Please, help me to solve this problems by Cramer rule Question number : 1. 5/x + 3/y = 19 2/x + 1/y = 7 Question number : 2. log x + 2 log y = 4 2 log x - 3 log y = 1 so confuse..
Sunday, August 23, 2015 by Iman
Decompose 28*6 to make it easier below. Paula had a block of cream cheese that was 2 inches wide, 5 1/2 long and 1 1/2 inches tall. Paula used 1/2 of the cream cheese in her recipe. How many cubic inches of cream cheese did she use?
Sunday, August 23, 2015 by LIZ
12) Betty Malloy, owner of the Eagle Tavern in Pittsburgh, is preparing for Super Bowl Sunday, and she must determine how much beer to stock. Betty stocks three brands of beerYodel, Shotz, and Rainwater. The cost per gallon (to the tavern owner) of each brand is as ...
Sunday, August 23, 2015 by arla
A box contains 8 white balls, 7 black and 4 red. How many red balls must be added to the box so that the probability is 3/4? How many black balls need to be added so that it is 1/4? Thanks I have a mental block with this.
Sunday, August 23, 2015 by Bella
Write an equation for the hyperbola. Vertices at ( -5,2) and (-1,2), passing through the point (-6,4) Could you be so nice and help me please:) I have still wrong answer and I have no idea where I'm doing mistake. My work: Horizontal transverse )( Center (-3,2) a= 2 (-6)^2...
Sunday, August 23, 2015 by Lucas
Six people used a spa for 20-40 min. for an average of 48 minutes.How many would be able to use it for 50 minutes if one person used it for 50 min is the answer 8
Saturday, August 22, 2015 by kareen
Math I am lost!
Tom travelled to the train station at 60 mph and arrived 1 minute earlier. He then travelled back home at 30 mph and arrived 1 minute late. How long was the trip. D= 60 * T - 1 + 30*T+1 60T+30T -1+1 90 t
Saturday, August 22, 2015 by kareen
The weight of box A is 4/5 of box B. If box B is placed on one side of a balance scale, it is balanced by box A and a 4/5 pound weight. How much does box B weigh?
Saturday, August 22, 2015 by Constella
When Bruce started bowling, he won 1/4 of the games he played. Within six months, he was winning 7/16 of his games. If he improves at the same rate, what fraction of his games should he expect to win after another six months? I subtracted the 1/4 from 7/16 and came up with 3/...
Saturday, August 22, 2015 by Sarah
Math: Mean, Median, Mode, Range & Finding the devi
What is deviation? And what is the definition of frequency distribution & how would I solve a problem in 8th grade math with this problem...My child is asking about this problem she has in an 8th grade book. Given the following numbers 2,2,3,6,1,9,4,2,5,7,6,8,6, What is the ...
Friday, August 21, 2015 by Aayla
50% Rule: The repackaged vial or unit dose must have an expiration date placed on it; but it is not the same expiration date as what is on the stock bottle. You must take the date on the stock bottle and write the half way date between todays date and the expiration date...
Friday, August 21, 2015 by Anonymous
A rectangle is 12 cm longer than it is wide. a wooden walk 2 ft wide is placed around the pond. the area covered by the pond and walk is 160 ft^2 greater than the area covered by the pond alone. What are the dimensions of the pond
Friday, August 21, 2015 by twnkal eshaal
which of the following are reasonable answer for the product of two negatives and a positive a. 20** b. 10 c. -20 d. -10 Which statement about the product is true 5.5⋅√5 a. The product is rational b. The product is irrational**** c. The product is neither rational ...
Friday, August 21, 2015 by TeaCup
On the first day in each month, Enid deposited $4 into her bank account and Jim deposited $3 into his. They opened these accounts on May 15, 1990. On December 31, 1990, they each had $72 dollars in their account. How much did each person deposit on May 15? (Note: Neither ...
Friday, August 21, 2015 by Tricia
Math- Need Help
If 5x +4y and 4x +3y =5 15x +12y =18 16x +12y = 20 31x/31= 38/31 x= 1 7/31 20x +16y =24 20x +15y = 5 31/y/31 = 29/31 y=29/31 x +y = 1 7/31 + 29/31 2 5/31
Friday, August 21, 2015 by kareen
There are 12 marbles in the container.. then colored half of the marbles red.in the quarter of the marble is blue.in the rest of marble us green.. what us the fraction of green
Friday, August 21, 2015 by gemmalyn bautista
A 40lb child sits at one end of a teeter-totter-totter which is 12 feet long and has the fulcrum in the center. How many feet from the fulcrum should a 60 lb child sit so the teeter-totter will balance?
Thursday, August 20, 2015 by Maya
7 digit number no repetition of numbers digit 5 in thousands place, greatest digit in the millions place, digit in the hundred thousands place is twice the digit in the hundreds place, digit in the hundreds place is twice the digit in the ones place, digit in the tens place is...
Thursday, August 20, 2015 by Julia
The length of a rectangular field is seven meters less than four times the width. The perimeter is 108 meter. Find the width and length of the field. How do I do this?
Thursday, August 20, 2015 by Victoria
Water is poured into a right circular cone with a height of 10 cm and diameter of 8 cm until it is three-fourths full. All this water is then poured into an empty cylindrical container with a radius of 5 cm and height of 9 cm. What is the height of the water in the cylinder?
Thursday, August 20, 2015 by Anonymous
Two line segments intersect to form an angle that has a measure of 50.7degrees. What is the measure, in degrees, of an angle that is supplementary to this angle?
Thursday, August 20, 2015 by Diana
Mr.jacobs budgeted $1,200 for tiles. His sketch of the floor requires him to use 38 white tile. each white tile cost $12. Write and solve an inequality to find the maximum amount he can spend on his brown tile. I'm not sure how to write and solve the inequality. Can ...
Thursday, August 20, 2015 by Penelope
At a popcorn factory, for every kilogram of popcorn that is popped, 100 grams are not popped. The factory pops 5 kilograms every day. What is the total weight in kilograms, of the unpopped corn in the month of april?
Thursday, August 20, 2015 by Katherine
Jo Lee wants to hang three 3-inch by 5-inch prints on her wall. She wants to line them up vertically with an inch between each print. What is the minimum wall space that Jo Lee must have? Please explain!!!!
Thursday, August 20, 2015 by Christy
There are 12 pieces of fruit in a bowl.7 are apples 2 are peaches.What is the probability that a randomly selected piece of fruit will not be an apple or a peach?Justify your answer.
Wednesday, August 19, 2015 by Brooke
Good Evening Ms SUE, Frankly I tried the below some as you said but still I am not getting the answer still iam getting the same answer as option A. 2 1/6 n I know this is wrong Mam if you don't mind can you check n tell where iam wrong and correct me please. Thank You It ...
Wednesday, August 19, 2015 by GOUTHAM
In a random poll of science students, it was determined that 90% of students submitted tests before the deadline. In a random sample of 75, what is the probability that exactly 10 submitted after the deadline? What is the probability that less than 10 submitted after the ...
Wednesday, August 19, 2015 by Meghan
In a 36-minute gym period, 24 boys want to play basketball. If only 10 can play at the same time, and each boy plays the same amount of time, how many minutes does each boy play?
Wednesday, August 19, 2015 by Pat
Raquel is mowing her rectangular lawn. The area of her lawn is 800 sq.ft The width of her yard is twice as long as the length of the yard. How wide is her yard? How long is her yard?
Wednesday, August 19, 2015 by Anonymous
okay i know i have not been showing my work and ya tellin me to use steve post as an example but i dont even kno what im doin to show ya any work and i dont understand this stuff this is my first time learnin it so can yahelp me wit one. to whomever this may concern
Wednesday, August 19, 2015 by Tameka
I need a step by step solution to this problem. I'm preparing for the GKT and I can't remember how to solve these problems. This is just a sample question from the gkt practice packet. A building 51 feet tall casts a shadow 48 feet long. Simultaneously, a nearby statue...
Wednesday, August 19, 2015 by Amanda
At the beginning of the summer Molly decided to add a little money into her savings account every week. After seven weeks her account had $175. At the end of 15 weeks her account had $375. Assumed that she put the same amount of money into her savings account every week and ...
Wednesday, August 19, 2015 by Christy
A gallon of a certain kind of paint will cover 224 square feet of surface. In painting two walls; one 36' by 8' and the other 24' by 9', the number of gallons of paint used is: I'm sorry I don't really know what to do, could someone please explain?
Wednesday, August 19, 2015 by Dalina
The mass of Pluto is approximately 1 × 1022 kg, while the mass of Neptune is approximately 1 × 1026 kg. Which of the following is true? The mass of Pluto is approximately one thousand times that of Neptune. The mass of Neptune is approximately one thousand times ...
Wednesday, August 19, 2015 by Anonymous
Given that <1 and <2 are supplementary angles and that m<1=115 , explain how to find the measure of the complement of <2. Instead of giving just the answer can you explain in words of how you got the answer please!
Wednesday, August 19, 2015 by Chanel
math, science, everything else for 10th grader
If sec x = 17/8; verify that 3 - 4sin^2x /4cos^2x -3 = 3- tan^2x / 1-3tan^2x.. I have used x in place of theta. It isn't multiplication symbol.. ^2 means to the power 2. Pls help
Wednesday, August 19, 2015 by Agile