Answer:
.625
Step-by-step explanation:
first i turned 2 1/2 into .5 then i divided.
Answer:
X=8
Step-by-step explanation:
X² + 10x +2 = 0 .Complete the square of (x² + 10x + ??)
We know that (10x) is equal to twice the square root of the 1st (x) by ??
10x = 2.x.(??) and ?? = 5 and its square is 25. Then I have to add 25 and subtract 25 so that not to change the equation:
(x² + 10x + 25) -25 +2 =0
(x+5)² -23
Answer:
50
Step-by-step explanation:
x= the number of pounds of the tropical taffy that should be used
You need to take the value of the Tropical Taffy + the value of the Passion Fruit taffy to = the value of Tropical Passion
value- price per pound times the number of pounds
Your equation is going to look like this-->
5.50x+6.25(100)=6(x+100)
5.50x+625=6x+600
-5.50x -5.50x
625=0.5x+600
-600 -600
25=0.5x
50=x
Hope this helps!
The mean book rating will decrease
Add all the numbers together:
5 + 5 + 6 + 7 + 7 + 7 + 7 + 8 + 8 + 8 + 9 + 9 + 10 + 10 + 10 + 10 + 10= 136
divide the total with the total amount of numbers
136/17 = 8
Now add all the numbers again WITH the one
5 + 5 + 6 + 7 + 7 + 7 + 7 + 8 + 8 + 8 + 9 + 9 + 10 + 10 + 10 + 10 + 10 + 1= 137
Divide the total amount with the amount of numbers there are
137/18 = 7.61
7.61 < 8
The mean book rating will decrease by 0.39
hope this helps
