Answer:
1.41
Step-by-step explanation:
This would be the average value of R(x) between 10 m and 50 m :

Answer:

Step-by-step explanation:

Make sure they have a common denominator. To do so, you must find a number the both have in come. Here, the number they have in common is 20.
What times 4 equals 20? 5. Whatever you do to the denominator you must do to the numerator.
×
= 
Now you have
= 
Then you can simplify
to
by dividing it by 
$89.08 divided by 4 is $22.27, aka the price of one shirt
Answer:
138 packs
Step-by-step explanation:
Marcello thinks it better to have more water balloons on hand that he actually needs fo the water balloon fight, so he rounds up the number of balloons needed to 276 from 275.
Then he divides 276 by 2, obtaining 138. He needs to buy 138 packets of balloons. This way, he will have acquired the required 275 balloons plus 1 left over.