sales tax = 13.22 * .04
sales tax = .53 (round to the nearest cent)
total cost = cost of item + sales tax
total cost = 13.22 + .53
total cost = 13.75
Answer:
The perimeter of the rectangle is 54 meters.
Step-by-step explanation:
In order to find the perimeter of the rectangle, which is the sum of all the sides, we need to know not only the length, but also the width. The formula for area of a rectangle is A = length x width. Setting up an equation to find width 'w', we get: 162 = 18 x w. Using inverse operations, we divide both sides of the equation by 18 to get w = 9. Since we now know that w = 9 and l = 18, we can find the perimeter using the following equation: P = 2w + 2l or P= 2(9) + 2(18) or P=54 meters.
Answer:
It indicates the age that the old man might be
Step-by-step explanation:
Answer:
$496, 000
Step-by-step explanation:
2021 is 11 years since 2010, hence t = 11
Substitute t = 11 into the equation
p = (1.95 × 11²) + (12.25 × 11) + 125
= 235.95 + 134.75 + 125
= 495.7 ( thousands of dollars ), thus the best estimate is
p = $ 496, 000
Step-by-step explanation:
x²+2x-3=0
(x²+3x)-(x-3)=0
x(x+3)-1(x+3)=0
(x-1)(x+3)=0
x=1 or x=-3
