Answer:
The price was decreased by 40%
Step-by-step explanation:
Take the original price and subtract the new price
20-12 = 8
Divide by the original price
8/20 = .4
Change to a percent
40 %
The price was decreased by 40%
<span>Number part = <span>3.3 </span></span>and
<span>Exponent part = -7</span>
<span>3.3*<span>10<span>−7</span></span></span>
Answer:
<h2>50</h2>
Step-by-step explanation:
Put h = 7 to the expression 5 · (h + 3):
let's plug the value of x and y as 5 and 4 respectively to find the value of given expression :
Answer:
87.92 in²
Step-by-step explanation:
pi × (R² - r²) = area
Where R is the radius of the outer circle and r of the inner circle.
Since C = 2pi×r
37.68 = 2×3.14×r
r = 6 in
R = 6 + 2 = 8 in
Therefore,
pi × (R² - r²) = area
Area = 3.14 (8² - 6²)
= 87.92 in²
