july00
03.03.2021 •
Mathematics
Frank weighs 105 pounds and is gaining 3 pounds a week for wrestling season. James weighs 175 pounds and is losing 2 pounds a week for wrestling season. When will the wrestlers weigh the same? How much will they each weigh?
a. Define your variables and write an equation for each wrestler.
Let =
Let =
Frank:
James:
b. Frank and James will both weigh
pounds in
weeks.
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Ответ:
Step-by-step explanation:
Ответ:
So, x/2 is the radius of the circle.
pi x r^2= Area of the circle
pi x (x/2)^2= 56 cm^2
(x/2)^2=56/pi
(x/2)^2=17.825
x/2 = root over 17.825
x/2 = 4.222
x=4.222 x 2
x= 8.444 = 8.44 cm (rounded to 3 significant figures).