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Setler79 [48]
3 years ago
10

B = 10 feet area = 35 feet 2 Find the height of the triangle.

Mathematics
1 answer:
Alexandra [31]3 years ago
8 0

Answer:

Height is 7m

Step-by-step explanation:

B = 10 feet area = 35 feet 2 Find the height of the triangle.

Area of triangle = 1/2 b×h

35 = 1/2(10×h)

35 × 2 = 10h

70 = 10h

h = 70/10

h = 7m

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The half-life of lead is 22 years. How long will it take for a sample of this substance t decay to 80% of its original amount?
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