2m-7n:45 m-n:0 olduğuna göre y+x kaç? bi de bu sx+2y:-5 2x+3y:-3 denklem sistemindeyi x ve y değerleri için x+y kaçtır? BANA İŞLEM LAZIIM!
a class of 38 children,19 play tennis, 21 play squash and 10 play neither sport. (1)how many children play both sports?(2)how many children play only tennis
Saturday, November 10, 2012 at 10:24am
math
to buy a gift $1.80 was collected from each person but they were $28 sort.When $3 was collected from each person,they had $20 extra.How much were they planning to collect
Saturday, November 10, 2012 at 10:21am
math
the diagram shows two balances.if the weight of the square object is 10 g,what is the weight of each og the other objects
Saturday, November 10, 2012 at 10:17am
math
average of 6 numbers is 19.A seventh number is added and the new average is 20.What is the seventh number?
Saturday, November 10, 2012 at 10:14am
math
emma has 364 cookes . chis has 8956432090 cookes .aaron has 14235 times as many cookes as chis and emma
Saturday, November 10, 2012 at 10:10am
math
as well as addition,subtraction,division and multiplication.Sally invents the operation Q. when you see Q between two numbers,you double the sum of their squares. The value of 5Q12 would be ?
Saturday, November 10, 2012 at 10:08am
math
5Y = X + 6 = 2X - 3 What is value of Y
Saturday, November 10, 2012 at 9:50am
math
a school is 800 m from the base of a cellphone tower.if the angle of elevation of the tower is 45 degree 45 inches from the school,how high is the tower?
Saturday, November 10, 2012 at 3:08am
Math
Simplify the following expression as far as possible. 1. 9x - 2x .2. -3y - 30y . .3. 2a - 9a
Saturday, November 10, 2012 at 2:40am
Math
Find the critical numbers of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) f(x)=x^(4/5)(x − 6)^2
Saturday, November 10, 2012 at 2:29am
math
Received an order for 3 Liters of 0.9% NsCl to be infused by an infusion set rate at 60gtt/ml set at 60gtt/min. How long will it take to infuse the 3 liters of fluid?
Saturday, November 10, 2012 at 1:47am
math
Find the volume of the solid formed by rotating the region enclosed by y=e^2x+5 y=0 x=0 x=0.4 about the x-axis.
Saturday, November 10, 2012 at 12:45am
Math
Find area of triangle 11/4 yards and 4/7 yard
Friday, November 9, 2012 at 11:01pm
math
Solve the system of equations by graphing 2x+y=8 X+3y=9
Friday, November 9, 2012 at 10:52pm
Math
Freshman math question, super confused! Today while Don was swimming, he started wondering how many lengths he would have to swim in order to swim different distances. At one end of the pool, he stopped, gasping for breath, and asked the lifeguard. She told him that 1 length ...
Friday, November 9, 2012 at 10:39pm
7th grade math Ms. Sue please
1. What are the equivalent fraction and decimal for thirty-three and one-third%? (1 point) one over thirty-three and 0.3 one over thirty-three and 3 3three and one-third and CE_point thirty three repeating_large one-third and point thirty-three repeating 2. What are the ...
Friday, November 9, 2012 at 10:36pm
math
Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the region. y=e^1x, y=e^4x, x=1
Friday, November 9, 2012 at 9:26pm
MATH
When a certain rectangle is folded in half, it forms two squares. If the perimeter of one of these square is 28, what is the perimeter of the original rectangle?
Friday, November 9, 2012 at 8:51pm
Math
Solve the puzzle =RIGHT(LEFT($B$2,84),1) =RIGHT(LEFT($B$2,17),1) =RIGHT(LEFT($B$2,138),1) =RIGHT(LEFT($B$2,2),1) =RIGHT(LEFT($B$2,234),1) =RIGHT(LEFT($B$2,138),1) =RIGHT(LEFT($B$2,4),1) =RIGHT(LEFT($B$2,173),1) =RIGHT(LEFT($B$2,2),1) =RIGHT(LEFT($B$2,209),1) =RIGHT(LEFT($B$2,4...
Friday, November 9, 2012 at 8:40pm
math
determine the common difference in the squence x,x+1,x+2,x+3..
Friday, November 9, 2012 at 8:23pm
MATH
Without taking a single break, mercedes hiked for 10 hours, up a mountain and back down by the same path. While hiking, she averaged 2 miles per hour on the way up and 3 miles per hour on the way down. How many miles was it from the base of the mountain to the top?
Friday, November 9, 2012 at 8:17pm
Math
Is this correct? If one card is drawn from a regular deck of cards,what is the probability the card will not be an ace? 1/13 is the probability
Friday, November 9, 2012 at 7:24pm
math
how do you go about doing place value puzzles .can you show me an example please(hundredths place,thousandths place,ones place and tenths place
Friday, November 9, 2012 at 7:13pm
math packet
how to make 60¢ using three coins
Friday, November 9, 2012 at 6:53pm
Math
Jennifer's dad built 2 rectangular houses for each of her dogs. The first house had a length of 6 feet and a width of 4 feet. The second house had a length and a width that was 2 feet longer than the first. What was the difference in the perimeter of the two doghouses? A....
Friday, November 9, 2012 at 6:51pm
