Answer:
90
Step-by-step explanation:
make sure to use BIDMAS
start of by working out everything in the brakets first.
the first bracket would be 50
the second bracket would be -40
the minus these as there is a minus between the brackets
50--40=90
Cot is more than 0 in 1st & 3rd quadrant
csc is more than 0 in 1st & 2nd quadrant
[ Here, quadrant I is common, when both will be greater than 0 ]
In short, Your Answer would be Option A
Hope this helps!
An hour is 60mins or 1 rotation
so
the hand moves 35/60 of the circumference of the clock
so
c=2pir
r=length of hand=7
c=2pi7
c=14pi
then, we have 35 out of 60 mins or 35/60=7/12
7/12 times 14pi=98pi/12=49pi/6≈25.66 inches
Answer:
The total cost of the bike is $180.
Step-by-step explanation:
Given that Juanita has saved 35% of the money for a bike.
Let the total cost of the bike = x
As she has saved $63 dollars which represents the 35% of the money for a bike.
In other words, 35% of the total cost is $63 dollars.
As the total cost = x
Thus,
35% of x = 63

Multiply both sides by 20

simplify

Divide both sides by 7

Simplify
$
Thus, the total cost of the bike is $180.