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8090 [49]
3 years ago
12

1. A dolphin was swimming 28 ft. below the surface. The dolphin jumped up 17 ft. above

Mathematics
1 answer:
vfiekz [6]3 years ago
5 0

Answer:

-11

Step-by-step explanation:

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A classic car is now selling for $2000 less than two times its original price. If the selling price is now $20,000, what was the
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Triangle RST has sides measuring 22 inches and 13 inches and a perimeter of 50 inches. What is the area of triangle RST? Round t
VladimirAG [237]

Using the Heron's formula, the area of the triangle is: D. 95 square inches.

<h3>What is the Heron's Formula?</h3>

Area = √[s(s - a)(s - b)(s - c)] where s is half the perimeter, or (a + b + c)/2.

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s = semi-perimeter = 1/2(50) = 25 in.

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