Explain what role the negative sign plays in. -x^2=y
Answers
It doesn't really have a role. This is because of the ^2, even if the number were to be a negative it would end up as a positive at the end.
A volunteer has 12 pounds of birdseed to put in bird feeders in all of the city park. There are 3 and one four cups of birdseed on a pound, and each bird feeder holds about 3 four cups of birdseed. How many bird feeder can the volunteer fill completely?
Answers
How many bird feeders can the volunteer fill completely?
I will guess that each feeder holds 4 cups of seed.
12 pounds times 3 and 1/4 cups per pound = 39 cups available.
39 cups divided by 4 cups per feeder = 9.75
The volunteer can fill 9 feeders completely,
in a club of 35 boys and 28 girls,80% of the boys and 25% of the girls have been member for more than 2 years.if n percent of the club have been member for more than 2 years,what is the value of n?
Answers
find them 80%=80/100=8/10=4/5 25%=25/100=1/4
4/5 of 35 +1/4 of 28= 140/5+28/4= 28+7= 35
35 have been
find 35 out of all all=boys+girls=35+28=63 35/63=0.55555555555555=aprox 55.55%
n=55.555555% (round if nececary)
Use a property to explain why the product of a multiple of 10 and a number will have a zero in the ones place
Answers
The propriety is zero propriety. Because 0 times a number is 0
Toms son works in a sports store.Toms son earns a commision. He makes 2.5% of the amount he sells. Last week he sold $900 worth of shoes. How much was his commission?