We have the following fractional expression:
12
-------- is the same as
12^3
12^1
-------
12^3
We want to simplify this expression. To do so, we need the formula for exponents as follows:
x^a / x^b = x^(a-b).
In this particular problem we have
12^1 / 12^3, and know by this formula that the correct result is 12^(1-3), or 12^(-2), which is equivalent to 1 / 144.
Answer:
The Cost of wallet was $26.30.
Step-by-step explanation:
Given:
Total billed after redeeming voucher = $34.45
Voucher worth = $5
We need to find the cost of Wallet.
Solution:
Let the amount paid for groceries be 'x'.
Now Given:
She purchases a wallet that amounted to double the price she paid for the groceries she bought.
Cost of wallet = 
Now to find the cost of wallet we will consider the amount before redeeming the voucher.
Hence Total bill before redeeming the voucher = 
Now We can say that;
Total bill is equal to sum of Cost of wallet and Cost of groceries.
framing in equation form we get;

Dividing both side by 3 we get;

Cost paid for groceries = $13.15
Cost paid for wallet = 
Hence the Cost of wallet was $26.30.
Answer:
90%
Step-by-step explanation:
Number of beings that preferred dubble juice to all the other juices = 36
Number of beings surveyed = x
The percentage of people that preferred dubble juice is calculated as:
(Number of beings who preferred dubble juice/Total number of beings surveyed) × 100
36/40 × 100
= 90%
90% of beings preferred dubble juice.
Answer:
X is 38, y is 27.
Step-by-step explanation:
This is because you are subtracting on the 90 degree angles.
Answer:
Step-by-step explanation: