Answer:
it will take 10 weeks for him to pay his brother completly
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
- C = 2πr
- 2π = 2 × 3.14 = 6.28
- 6.28 × 8 = 50.24 feet
I hope this helps!
Answer:
The answer is 120 feet.
Step-by-step explanation:
The area of the field (A) is:
A = w · l (w - width, l - length)
It is known:
A = 12,000 ft²
l = w - 20
So, let's replace this in the formula for the area of the field:
12,000 = w · (w - 20)
12,000 = w² - 20
⇒ w² - 20w - 12,000 = 0
This is quadratic equation. Based on the quadratic formula:
ax² + bx + c = 0 ⇒
In the equation w² - 20w - 12,000 = 0, a = 1, b = -20, c = -12000
Thus:
So, width w can be either
or
Since, the width cannot be a negative number, the width of the field is 120 feet.
Answer:
You would need 2 1/2 gallons of paint to finish the room.
Step-by-step explanation:
Step 1: 12 x 8.5
Step 2: you should get 102. Then multiply 102 x 4
Step 3: then divide by 150 (which is the quotent of 75 x 2)
Your finally should be 2.72 :)
3.14(radius)squared(height)(3)
3.14(9)(8)(3)
3.14(72)(3)
3.14(216)
678.24
