Deposit mean add 50, then withdraw means taking out 20, you do subtraction: $50-$20=$30
Given that:
<span>22a(22b)=16
484ab=16
thus
ab=16/484
ab=4/121
thus given that
ab=4/121
then
a=4 and b=1/121
hence
4+1/121
=4 1/121</span>
Answer:
D 36
Step-by-step explanation:
<em>Write the information algebraically</em>
c = 3a
c + a = 48
c = children, a = adults
<em>In the second sentence (in bold), we can replace c with 3a</em>
c + a = 48 → 3a + a = 48
<em>Simplify</em>
3a + a = 48 → 4a = 48 → a = 12 (divide both sides by 4)
<em>We can then substitute or plug in a = 12 into the original equation:</em>
c + a = 48 → c + 12 = 48 → c = 36 (subtract 12 from both sides)
<h3>There are 36 children</h3>
Answer:
-5, 6 when you reflect over the x axis you have to flip the sign of the y point.
Answer: 4 machines
Step-by-step explanation:
In the given situation, the number of machines is inversely proportional to the time taken by them.
Given : 9 machines can fill an order in 20 hours.
Let n be the number of machines required to fill the same order in 45 hours.
Then , we have the following inverse variation equation:-
Hence, the 4 machines would be needed to fill the same order in 45 hours.
