Answer:
Step-by-step explanation:
7*3x= 7- 3x - 9
21x = -2-3x
24x =-2
x=-1/12
Answer:
x = -10
Step-by-step explanation:
Answer:
7.855 inches
Step-by-step explanation:
The formula to find the length of an arc is :
Arc Length =
× 2 π r
Here,
Θ ⇒ size of the angle ⇒ 30°
r ⇒ radius ⇒ 15 inches
<u>Let us solve it now.</u>
Arc length =
× 2 π r
Arc length = 
Arc length = 
Arc length = 
Arc length = 7.855 inches
Let me know if you have any other questions. :)
Answer:
20 ft × 20 ft (square has equal sides)
The student subtracted each side by 28, which is wrong because if u want to cancel -28, you need to add 28 to both sides. The correct answer is 403.
I need brainliest answer pls