Answer: 94.5
Step-by-step explanation:
If average of 9 students is 94, their total will be 94x 9 = 846
If the 10th student scores 99, the new total is 846 + 99 = 945
So, the new average will be
945/10 = 94.5
Answer:
14.25L
Step-by-step explanation:
3(1.25) + 3(2.5) + 3(1) = 14.25L
If he intends to make three times the amount of lemonade listed, he has to multiply each ingredient by 3. I hope this is what you wanted!
Answer: 85%
Step-by-step explanation:
17*5= 85%
(5*20=100%; 5*17=85%)
Answer:
The numbers are
and
Step-by-step explanation:
Let
x ------> one number
(x-8) ------> the another number
we know that
Simplify
The formula to solve a quadratic equation of the form is equal to
in this problem we have
so
substitute in the formula
so
the solution must be a positive real number
------>
Answer: 5/7 = 2/x x=4 m
Step-by-step explanation: