Answer:
f(x) = 30 • 0.989x
Step-by-step explanation:
Given the data :
10 26.8
20 23.9
30 21.3
40 19
50 16.9
60 15.1
Using technology, the exponential model equation obtained by plotting the data is :
y = 30.068(0.989)^x
Based on the general exponential formula :
y = ab^x
y = predicted value
Initial value, a = 30.068
Rate = b = 0.989
The most appropriate model equation from the options given is :
f(x) = 30 • 0.989^x
4x3=12
6+6=12
These are two ways to get 12
Since they have a common denominator you can add them together
1 3/8 + 3/8 = 1 6/8
Reduced, the answer is 1 3/4
I hope that helps!
Answer:
a) <u><em>The watch is cheaper in Geneva.</em></u>
b) <u><em>The watch is cheaper by £20</em></u>
Step-by-step explanation:
a) In which city is the watch cheaper?
Step 1. Translate Pounds into Swiss Francs.
£145 * 1.55 = 224.75 CHF
Step 2. Determine which price is higher.
224.75 is greater than 193.75.
Step 3. Always answer a Word problem in complete sentences.
<u><em>The watch is cheaper in Geneva. </em></u>
b) By how much is it cheaper?
224.75 - 193.75 = 31
Translate CHF to Pounds.
31 / 1.55 = 20
<u><em>The watch is cheaper by £20.</em></u>