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bogdanovich [222]
3 years ago
9

30 points!!

Mathematics
2 answers:
Delicious77 [7]3 years ago
6 0

1. 18e + (-6e) = 12e

2. 0x - (-21x) = 21x

3. 90z + (-10z) = 80z

Sedbober [7]3 years ago
5 0

Answer:

1. 18e + (-6e) = 12e

2. 0x - (-21x) = 21x

3. 90z + (-10z) = 80z

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3 years ago
A firecracker shoots up from a hill 140 feet high, with an initial speed of 100 feet per second. Using the formula H(t) = −16t2
V125BC [204]
<span>H(t) = −16t^2 + vt + s

</span>
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Option B) 7 s (approximately)


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Read 2 more answers
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