Answer:
Step-by-step explanation:
Given the algebraic expression;
To make n the subject of formula.
Cross-multiplying, we have;
Rearranging the equation, we have;
<span>C. 23% this is yur answer hope i helped</span>
The answer is k= 2.5
Explanation: Rotating the shape will show that one side is 20:8. Divide these together and you get 2.5.
Hope this helps
Answer:
4 people
Step-by-step explanation:
In family dinner there are 12 members In family dinner Ebenezer is served to 4 peoples and 8 peoples are left
If the number is n then
square of 2 times a number
square of 2n
(2n)²
that was your mistake, because (2n)²=4n², not 2n²
the result is 81
(2n)²=81
square root both sides
remember positive and negative roots
2n=+/-9
divide by 2
n=+/-4.5
n=4.5 or -4.5
