2 years ago

CAN YOU HELP ME!

Mathematics

1 answer:

Nat2105 [25]2 years ago

3 0

Answer:

B) 15/(9+(-9))

Step-by-step explanation:

Be careful of the parentheses because if you just write out 15/9+(-9),

it's technically, saying that 15/9+(-9)=5/3+(-9)=5/3-9, and that's different from what you want to express, mathematically.

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Answer:

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A farm covers land in the shape of a trapezium. The length of the northern boundary of the farm is 265 m and length of the south

igor_vitrenko [27]

Answer:

Step-by-step explanation:

Part A

Givens

b1 = 265

b2 = 180

h = 90

Formula

Area = (b1 + b2)*h / 2

Solution

Area = (265 + 180) * 90 / 2

Area = 445 * 90 / 2

Area = 40050 / 2

Area = 20025 square meters

Part B

1 hectare = 10000 square meters

x hectare = 20025 square meters Cross multiply

x * 10000 = 20025 * 1 Divide by 10000

x = 20025 / 10000

x = 2.0025

Rounded to the nearest hectare that would be 2

Part C

The best shape is a square.

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s^2 = 20025

sqrt(s^2) = sqrt(20025)

s = 141.51

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