Mathematics, 17.10.2019 00:00, smokey13
1. my little sister, savannah, is three years old. she has a piggy bank that she wants to fill. she
started with five pennies and each day when i come home from school, she is excited when i
give her three pennies that are left over from my lunch money. use a table, a graph, and an
equation to create a mathematical model for the number of pennies in the piggy bank on day n.
2. our family has a small pool for relaxing in the summer that holds 1500 gallons of water. i
decided to fill the pool for the summer. when i had 5 gallons of water in the pool, i decided that
i didn't want to stand outside and watch the pool fill, so i had to figure out how long it would
take so that i could leave, but come back to turn off the water at the right time. i checked the
flow on the hose and found that it was filling the pool at a rate of 2 gallons every minute. use a
table, a graph, and an equation to create a mathematical model for the number of gallons of
water in the pool at t minutes.
linear and exponential functions.
Answers: 3
Mathematics, 21.06.2019 21:30, xaguilar
Data from 2005 for various age groups show that for each $100 increase in the median weekly income for whites, the median weekly income of blacks increases by $105. also, for workers of ages 25 to 54 the median weekly income for whites was $676 and for blacks was $527. (a) let w represent the median weekly income for whites and b the median weekly income for blacks, and write the equation of the line that gives b as a linear function of w. b = (b) when the median weekly income for whites is $760, what does the equation in (a) predict for the median weekly income for blacks?
Answers: 2
1. my little sister, savannah, is three years old. she has a piggy bank that she wants to fill. she<...
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