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Novay_Z [31]
3 years ago
5

What function is a quadratic function

Mathematics
2 answers:
Nikolay [14]3 years ago
5 0
The answer is d or the last one
alina1380 [7]3 years ago
3 0
I think it's the first one 
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Consider this sequence
pochemuha
Hello,

u_{1} =1*(8-7)=1*(2*4-(6+1))\\
 u_{2} =2*(10-7)=2*(2*5-(6+2))=2*(2*(4+1)-(6+2))\\
 u_{3} =3*(12-9)=3*(2*6-(6+3))=3*(2*(4+2)-(6+3))\\
 u_{4} =4*(14-10)=4*(2*7-(6+4))=4*(2*(4+3)-(6+4))\\




u_{10}=10*(2*(4+10)-(6+10))\\
=10*(28-16)


...\\\\
u_{n} =n*(2*(n+n-1)-(6+n))\\
=n*(4n-2-6-n)=n(3n-8)\\


5 0
3 years ago
Given the width of the lawnmower is 5 feet and the
3241004551 [841]

Answer:

  R=0.39789 ft

Step-by-step explanation:

For the perfectly mowed lawn, after one revolution, you want the lawnmower to be exactly one lawnmower's width closer to the pole. This implies that one lawnmower width should wrap around the circumference of the pole every revolution. So for this lawnmower we want:

2πR=2.5

⇒R=2.5/2π

  R=0.39789 ft

8 0
3 years ago
Read 2 more answers
Classify each pair of angles as Complementary, Supplementary or neither.
stellarik [79]

Answer:


Step-by-step explanation:

1. Supplementary

2. complementary

3. neither

4. These two are vertically opposite so neither.

5. Supplementary

6. They add to 90 so they are complementary

7. They add to 180 so they are supplementary.

8. These 2 are equal and vertically opposite. They are neither for this exercise.

9. Complementary: they add to 90.

8 0
3 years ago
What is interest earned on 3500 invested at 6% compounded quarterly or 12 years
enyata [817]
\bf \qquad \textit{Compound Interest Earned Amount}
\\\\
A=P\left(1+\frac{r}{n}\right)^{nt}
\quad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{original amount deposited}\to &\$3500\\
r=rate\to 6\%\to \frac{6}{100}\to &0.06\\
n=
\begin{array}{llll}
\textit{times it compounds per year}\\
\textit{quarterly, thus four}
\end{array}\to &4\\
t=years\to &12
\end{cases}
\\\\\\
A=3500\left(1+\frac{0.06}{4}\right)^{4\cdot 12}\implies A=3500(1.015)^{48}

so, the interest earned then will be  A - 3500.
6 0
3 years ago
Noelle used 17 lemons to make lemonade. This was 85% of all the lemons
LuckyWell [14K]

Answer:

20 lemons

Step-by-step explanation:

Let the number of lemons = 'x'

85% of x = 17

\frac{85}{100}*x = 17\\\\x = \frac{17*100}{85}\\x = 20

6 0
3 years ago
Read 2 more answers
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