Step-by-step explanation:
y=90-41= 49°
For x
7x+13+2x-9+41=180
9x +45=180
9x=135
x=15
Answer:
Step-by-step explanation:
40 ounces equal 2.5 pounds (40oz = 2.5lbs). Converting 40 oz to lb is easy.
The answer for this is 7 and 1/2
Answer:
87.92 in²
Step-by-step explanation:
pi × (R² - r²) = area
Where R is the radius of the outer circle and r of the inner circle.
Since C = 2pi×r
37.68 = 2×3.14×r
r = 6 in
R = 6 + 2 = 8 in
Therefore,
pi × (R² - r²) = area
Area = 3.14 (8² - 6²)
= 87.92 in²
