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blondinia [14]
2 years ago
12

I only have 8 minutes left please help!!! The expression h(x)= -5x2 + 25x + 70 can be used to estimate the height(h), in meters,

of a toy rocket x seconds after it is launched from
a platform. Substitue 0 for h in the equation, and determinehow many seconds it will take for the rocket to hit the ground? Enter the
answer that makes the most real world sense for the scenario described.

Mathematics
1 answer:
rewona [7]2 years ago
8 0
Hence x is 7 seconds

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byron purchased a $5000 certificsye of deposit at his local bank the cd will pau him 7% simple interest at the end of 2 years ho
Mekhanik [1.2K]
5000(1+.07)^2
5000(1.07)^2
5000(1.14)
5,700
Your final answer should be 5,700$. If you wanna double check you would use the equation fv=bv(1+r/m)^mt
4 0
3 years ago
1.08t can be written as (1.081/12)12t to give the approximate equivalent monthly interest rate based on an annual rate of 8%. Us
kobusy [5.1K]
<span>Because <span>t <span>is given in years and 1.08 <span>= <span>1 <span>+ <span>0.08, the annual percent increase
<span>is 8%.
To find the monthly percent increase that gives an 8% annual increase,
<span>use the fact that
t = \frac{1}{12} * 12 t<span><span><span><span>
<span><span><span><span>and the properties of exponents to rewrite the
model in a form that reveals the monthly growth rate.</span></span></span>
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1.08^{t} &#10;= 1.08^{(1/12)(12t)} &#10;= (1.08^{1/12}) ^{12t} &#10;=  1.0064634^{12t}
6 0
2 years ago
Read 2 more answers
Which fraction is equivalent to 56%?
HACTEHA [7]
14 / 45

56 / 100 reduces to 14 / 45
5 0
3 years ago
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3 pizzas for $ 16.50 what is the unit rate for one pizza
o-na [289]
The answer is 5.50$ you have to divide 16.50/ 3
8 0
3 years ago
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Question #18: Three times as many boys as girls visited the mall in Deptford. A
romanna [79]

(boys)  x=3(y)

(girls)   y=x/3

Step-by-step explanation:

4 0
3 years ago
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