Posts by loraine
Total # Posts: 10
Plane and solid geometry
Change to standard form 2x^2+4y^2-12x-64y-16=0 i don't know how to solve it.
The sum of two numbers is 43.the first number is more than the second number.what are the two numbers?
Suppose that scores on the Math SAT exam follow a Normal distribution with mean 500 and standard deviation 100. Two students that have taken the exam are selected at random. What is the probability that the sum of their scores exceeds 1200?
kendra owns a restaurant. she charges $3.00 for 2 eggs and 1 toast, and $1.80 for one egg and one piece of toast. how much does kendra charge for an egg? a piece of toast?
at the local per store, zebra fish cost $2.10 each and neon tetras cost $1.80 each. if marsha bought 13 fish for a total of $25.80, not including tax, how many of each type of fish did she buy? a)7 zebra, 6 neon b)8 zebra, 5 neon c)6 zebra, 7 neon d)5 zebra, 8 neon
the fun guys game was rental store charges an annual fee of $5 plus $5.50 per game rented. the game bank charges an annual gee of $17 plus $2.50 per game. for how many game rentals will the cost be the same at both stores? what is the cost?
a family travels to Bryce Canyon for three days. on the first day, they drive 150 miles. on the second day, they drive 190 miles. what is the least number of miles they drove on the third day if their average number of miles per day was at least 180?
1.75 short tons
I have only been able to find the last one maybe someone else could help..... les étudier