3 years ago

What is the surface area of the prism formed by this net? Explain.

Mathematics

1 answer:

Mama L [17]3 years ago

8 0

Answer:

320in²

Step-by-step explanation:

Labelled diagram shown above.

Surface area : base × height

The surface area of most of the sides will be the same because the sides are the same.

Top/bottom = 5 × 8 = 40 + 40 = 80in²

Side/Side = 5 × 10 = 50 + 50 = 100in²

Front/Back = 8 × 10 = 80 + 80 = 160in²

Add them all together.

160 + 100 + 80 = 340in²

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A boat sails for 5 hours at 30 mph in a direction 164°56'. How far south has it sailed (to the nearest mile)?

Valentin [98]

Total distance covered = 5 x 30 = 150 miles
Angle of travel with respect to south pole = 180 - 164°56' = 15°4'

Let the distance southwards covered be x, then
cos 15°4' = x/150
Thus, x = 150 cos 15°4' = 144.84

Therefore, the distance covered southwards = 145 miles to the nearest mile.

5 0

3 years ago

The stock of Company A gained $1.86 throughout the day and ended at a value of $94.86. By what percentage did the stock rise

Firlakuza [10]

Answer:

tTe answer is 1.96%

Step-by-step explanation:

given data

change in price/gain= $1.86

the closing price = $94.86

Required.

The percent rise.