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velikii [3]
3 years ago
6

The equation h(t) = − 16t^2 + 19t + 110 gives the height of a rock, in feet, t seconds after it is thrown from a cliff.

Mathematics
1 answer:
kirill [66]3 years ago
5 0
The initial velocity is 19 ft/s.

This equation is in the form
h(t) = -16t²+v₀t+h₀, where -16 is the gravitational constant, v₀ is the initial velocity, and h₀ is the initial height. 

Our equation is h(t) = -16t²+19t+110.  In this equation, the number in place of v₀ is 19, so the initial velocity is 19.
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Loris makes 20 bracelets in 50 minutes. Doris makes 44 bracelets in 2 hours. who makes more bracelets per hour. how many more?
Sedaia [141]
To do this, you'll have to get loris and doris to the same amount of time, we can already tell loris makes 40 bracelets in 100 minutes but we are still missing 20 minutes, so we got to do some math(Ofc we do its mathematics) if you divide 50 by 20 you'll get 2.5 which is how many minutes it takes to make a bracelet. So now we can go back to that missing 20 minutes, if you divide 20 by 2.5, you'll get 8. So in 2 hours loris makes 48 bracelets(20 + 20(50 hours each)=40 + 8(the missing 20 minutes) = 48) But here is the tricky part it says per an hour, so we need to reduce both by half, so loris makes 24 bracelets an hour and doris makes 22 bracelets an hour so loris makes 2 more bracelets and hour than doris... hope i've helped!
3 0
3 years ago
A student said we cannot subtract 1.97 from 20 because one 1.97 has two decimal digits and 20 has none do you agree with this st
Pie

Answer: We can

Step-by-step explanation: 20.00

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5 0
4 years ago
(9b+7)+(4x-3)+(8n+5)=? ​(Simplify your​ answer.)
uysha [10]

Answer:

9b+8n+4x+9

Hope that helps!

8 0
3 years ago
Read 2 more answers
7.3 as a mixed number simlified
joja [24]
Answer: 7 3/10
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8 0
3 years ago
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const2013 [10]

Answer:

$63.08

Step-by-step explanation:

43.5 * 1.45 = 63.08

8 0
2 years ago
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