Simplify: -12h^2 -4 + 9 -3h^2 Show all steps/work please! ^ = to the power of...
1 answer:
You might be interested in
Answer:
Step-by-step explanation:
Given
Required
Determine the changes in the account
First, we need to determine the total amount spent;
<em>Hence, the changes in her account is a debit of $9 i.e. -$9</em>
Answer:
The number of <u>dimes are 100</u> and number of <u>quarters are 140.</u>
Step-by-step explanation:
Let the number of dimes be 'd' and quarters be 'q'.
Given:
The sum of amount is $45.
The total number of coins are 240.
1 dime = $0.10
∴ 'd' dimes =
1 quarter = $0.25
∴ 'q' quarters =
Now, as per question:
Multiplying equation (1) by -0.1 and adding the result to equation (2), we get:
Therefore, the number of dimes are 100 and number of quarters are 140.