Answer:
x=10 and scale factor is 15/9 or 1 2/3
Step-by-step explanation:
FIrst, find scale factor. 9 to 15. Times by 15/9 or 1 2/3.
Find x. 6*1 2/3 = 10
m = money earned in one week
h = hours worked
x = times credit card was swiped
m = 14.45h + 8.50x
SA=4pir^2
d/2=r
d=7.4
7.4/2=3.7
SA=4pi3.7^2
SA=4pi13.69
SA=54.76pi
pi=3.14 for this question
SA=171.9464
closest one is B
172 cm^2
B IS ANSWER
to find the area of a rectangle is LxW=A
plug in the given numbers you have
L = 7
W = x-8
A = 42
7 * x-8 = 42
7x-56= 42
solve for X
Answer:
since you know the amount he swims for 2 mins then divide that amount to get the amount for 1 minute. so 2=0.10 which means 1=0.5 since you halved it.
<em>Hope this helps!</em>