Answer: See explanation
Step-by-step explanation:
We are informed that we should write a equation that represents the expression "Ali writes the expression "half of the sum of $9 and a number.".
Let the number be represented by x. The first equation based on the information given will be:
= 1/2(9 + x)
The second equation will be:
= (9 + x)/2
= 4.5 + 0.5x
Can you confirm is hypotenuse should be AC...
ADB would make another right triangle if I am correct and you could use the pyth theorem to determine AB<span />
75 percent is 12 which is 3/4 so make a proportion .75/12 = 1/x cross multiiply and you get 16
