Hi!
Explanation: <em><u>First you had to convert element to fraction is 2=2/1 ,and it gaves us -4/5÷2/1. Then apply to the fraction rules, -4/5 *1/2=-2/5 is the right answer. Hope this helps! And thank you for posting your question at here on Brainly. And have a great day. -Charlie </u></em>
Answer:
11 pints of ice cream
Step-by-step explanation:
Answer:
The maximum volume of the box is:
Step-by-step explanation:
Given
Required
The maximum volume of the box
Let
The surface area of the box is:
So, we have:
Divide both sides by 2
Make b the subject
The volume of the box is:
Substitute:
Spit
Differentiate V with respect to a
Set to calculate a
Collect like terms
Multiply both sides by 2
Solve for a
Recall that:
Apply law of indices
So:
Answer:
Case I
$115
Case II
$125
Step-by-step explanation:
Bugles rent for $10 per month
Drums rent for $5 per month
Case I
7 bugles and 9 drums
7 * bugle cost per month + 9 * drum cost per month
7 * 10 + 9* 5
70 + 45
$115
Case II
9 bugles and 7 drums
9 * bugle cost per month + 7 * drum cost per month
9 * 10 + 7* 5
90 + 35
$125