Friday
August 1, 2014

Posts by Laurin


Total # Posts: 13

Math
The purchases made by customers at a convenience store are normally distributed, with a mean of $5.50 and a standard deviation of $3.50. What is the probability that a randomly chosen customer makes a purchase between $2.00 and $9.00?

Math
The purchases made by customers at a convenience store are normally distributed, with a mean of $5.50 and a standard deviation of $3.50. What is the probability that a randomly chosen customer makes a purchase between $2.00 and $9.00?

math
If you deposit money in a savings account with an interest rate (APR) of 5% and the account compounds quarterly, which is your annual percentage yield (APY)? Convert your answer to a percent and round it to two decimal places.

math
How long (in years) will it take your money to triple at an annual percentage rate of 5% compounded annually? Use logarithms to solve. Round and show 2 decimal places.

use equation to complete the function table
y=5x+3

Calculus
On what intervals is the function f(x)=x7−7x6 both decreasing and concave up?

calculus
Consider a car whose position, s, is given by the table t(s) s(ft) 0 0 .2 0.35 .4 1.8 .6 3.8 .8 6.5 1 9.6 Estimate the velocity at t=0.2

4th grade math
when i am rounded to the nearest hundred, i am 3,300. the difference between my ones and thousands digits is 1. my tens digit is the same number as my ones digit. I can be two different numbers. who am i?

4th grade math
When I'm rounded to the nearest 10 , I'm 600. The digit in my tens place is 1 more than my ones digit. Who am I?

4th grade math
When I am rounded to the nearest ten I am one thousand. I am the same when read forward or backward. I can be two different numbers who am I

4th grade math
when I am rounded to the nearest 10 I am 270. The digit in my ones place is 4 more than the digit in my hundreds place.

4th grade
when I am rounded to the nearest ten I am 50. The difference between my digits is one. I can be two different numbers. Who am I

8th grade
n+3=12 n=(4) 4x3=12..... simple :)

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