Step-by-step explanation:
what answer is needed ? the result of the calculation ?
I assume this is the case.
remember that regarding the sequence of operations brackets are first, then exponents, then "dot" operations (× and ÷), and only at the very least come the "dash" operations (+ and -).
and that a combination of - + or + - results in -.
14 + 16 ÷ 2³ - (12 + 3²) ÷ 7 + 2 × (-5) =
14 + 16 ÷ 2³ - (12 + 9) ÷ 7 - 2 × 5 =
14 + 16 ÷ 2³ - 21 ÷ 7 - 2 × 5 =
14 + 16 ÷ 8 - 21 ÷ 7 - 2 × 5 =
14 + 2 - 3 - 10 = 3
Answer:
4:25
Step-by-step explanation:
Given that,
r₁ = 15 inches, r₂ = 6 inches
The area of the cylinder is given by :
The ratio of surface areas of two cylinders,
Hence, the required ratio is 4:25.
Answer:
wheres the points
Step-by-step explanation:
Answer:
m=13
Step-by-step explanation:
The lateral area is expressed as the product of the perimeter of the base and the height. While the surface area is the sum of all areas. The lateral area and the surface area of the box is calculated as follows:
LA = Ph
P = 2l + 2w = (2 x 17) + (2 x 5) = 44 cm
LA = 44 cm x 3.12 cm = 137.28 cm
SA = 2(lw + wh + lh)
SA = 2[(17x5) + (5x3.12) + (17x3.12)]
SA = 307.28 cm
Thus, the lateral area and the surface area are 137 cm and 307 cm, respectively.
