Answer:
a) 3 multiplied by x exponential 2 plus two multiplied by y plus half
b) three multiplied by the square of x plus two multiplied y plus one divided by two
c) I just split the equation into parts and started translating them individually to words
12
3/100 = 0.03
0.03x400 = 12
12 dolls are recycled per hour
$14.00 start dividing the pay with the hours....
hi,
you have then : 2100 * 1.045 ^n = 47 200
1.045^n = 47200 /2100
1.045^n = 472/21
n = ln ( 472/21 ) / ln ( 1.045)
n ≈71 years
let's check : 2100 *1.045^70 = 45746,68 and 2100 *1.045^71 = 47805.28
Answer:$43.69
She is incorrect. The mistake she made was adding $9.5 instead of taking 9.5% from the $39.90 and adding it to the initial total. The correct answer is actually $43.69. To find sales tax add your two starting prices and simply find the percent your looking for and add it to the original total
