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azamat
3 years ago
11

A rocket is fired directly upwards with a velocity of 80 ft/sec. The equation for its height, H, as a function of time, t, is

Mathematics
1 answer:
sleet_krkn [62]3 years ago
3 0

Answer:

(c).

Step-by-step explanation:

h(t) = - 16 t² + 80 t

Coordinates of the vertex are:

<em>t</em> = - \frac{80}{2(-16)} = \frac{5}{2} = <em>2.5 sec. </em>

<em>h</em> = - 16(2.5)² + 80(2.5) = - 100 + 200 = <em>100 ft</em>.

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olivia is three times Daisys age now. in 5 years time, olivia will be twice daisys age then. how old is daisy now
neonofarm [45]

Answer:

10

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If Daisy is originally 5 years old, then Olivia would be three times her age which is 15 years old.

After 5 years pass, Daisy will be 10 years old and Olivia will be 20 years old, making Olivia twice as old as Daisy now.

5 0
3 years ago
Read 2 more answers
I need help please ​
ASHA 777 [7]

Answer:

the answer would be 81

Step-by-step explanation:

6 to the second power would be 36 then you would multiply 36x2 and it would equal 72. then you would do 2x6 which is 12. then 72+12-3= 81

5 0
3 years ago
Use the functions to answer the question.
Ksivusya [100]
Composition function rule (f○g)(x) = f(g(x))
<em><u /></em><u>Given the separate functions</u>: f(x)=2x+1 and g(x)=x^2

(f\circ g)(-5)\rightarrow\text{ Composition Function Rule}\rightarrow f(g(-5))=2((5)^2)+1
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4 0
3 years ago
Sandeep has twice as much as sonia. together they have rs 150. how much does sonia have
Inga [223]

let sonia has the (x)

Sandeep would have twice as much as Sonia so (2x)

together they'd have 150.

so, x+2x=150

solve for X

3x=150

X=150/3

So x=50 is what Sonia has,

and Sandeep would have 2(50) =100

5 0
3 years ago
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