Answer:
D. 3 1/2
Step-by-step explanation:
Sum means addition (+)
Sum of a number, x and 1/2=4
This means the addition of the two numbers
x+1/2=4
Make x the subject of formula
x=4-1/2
Finding the L.C.M
= 8-1/2
x=7/2
x=3 1/2
The answer would be 28 feet, to get area you do length times width, 7 x 4 = 28
<span>the answer is 2.78 because it add up 10
</span>
Answer: 
Step-by-step explanation:
Given: The number of bacteria, B, in a refrigerated food is given by the function
, where t is the temperature of food in degrees Fahrenheit.
The function
gives the temperature, t, of the food h hours after being removed from the refrigerator.
Now, the number bacteria in the food in h hours is given by:-

So, The number bacteria in the food in h hours is given by:

Too lazy to format so here
R = 20D =
R = 20(6) =
120 = 20(6)
r = 120 = the days it cost to rent bike
so expensive