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PilotLPTM [1.2K]
2 years ago
9

Which of the following functions has a vertex of (-1,2)?

Mathematics
1 answer:
Firlakuza [10]2 years ago
6 0

Answer:

f(x) , r(x), t(x)

Step-by-step explanation:

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2 years ago
Helppppp me I am stuck help me plzz
soldi70 [24.7K]

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espero sirva qwq

Step-by-step explanation:

4= 0.56666666666

5=1.66666666667

6=1.375

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6 0
3 years ago
Fifteen years ago, you deposited $12,500 into an investment fund. Five years ago, you added an
True [87]

Answer:

a) 8.16%

b) $65,762.50

c) $39,701.07

Step-by-step explanation:

Given:

15 years ago, Initial investment = $12500

5 years ago, Investment = $20000

Nominal interest = 8% semi annually for first 10 years

Interest2= 6.5% compunded annually for last five years

a) for the effective annual interest rate (EAR) in the first 10 years, let's use the formula:

[1+(nominal interest rate/number of compounding periods)]^ number of compounding periods-1

EAR = [1 + (\frac{0.08}{2})]^2 - 1

= (1 + 0.04)^2 - 1

= (1.04)^2 - 1

= 1.0816 - 1

= 0.0816

= 8.16%

The effective annual interesting rate, EAR = 8.16 %

b) To find the amount in my account today.

Let's first find the amount for $12500 for 10 years compounded semi annually

= 12,500 +( 12,500 * 8.160% * 10)

= $ 22,700

Let's also find the amount for $32,500($12,500+$20,000) for 5 Years compoundeed annually

$32,500 + ($32,500 * 6.5% *5)

= $ 43,062.50

Money in account today will be:

$22,700 + $43,062.50

= $65,762.50

c) Let's the amount I should have invested to be X

For first 10 years at 8.160%, we have:

Interest Amount = ( X * 8.160% * 10 ) = 0.8160 X

For next 5 years at 6.5%, we have:

Interest Amount = (X * 6.5% * 5) = 0.325 X

Therefore the total money at the end of 15 Years = 85000

0.8160X + 0.3250X + X = $85,000

= 2.141X = $85,000

X = 85,000/2.141

X = 39,701.074 ≈ $39,700

If I wish to have $85,000 now, I should have invested $39,700 15 years ago

7 0
3 years ago
Whats the correct answer answer asap
Volgvan

Answer: C.teaching music at an orphanage.

Step-by-step explanation: Antonio Vivaldi's music career was mainly spent in the Ospedale Della Pieta. Antonio Vivaldi sure did make a difference. composer and violinist all around Italy. It was in the year 1713 that he made the villa") in Vincenza. After his debut, in the year 1718, he continued to tour all different operas and concertos.

Antonio Lucio Vivaldi started his career in music by becoming a violin teacher at an orphanage for girls in Venice called ‘Ospedaledella Pieta’ in 1703.

7 0
1 year ago
Help pls!!!! ASAPPPPPP
s344n2d4d5 [400]

Answer:eht sistep 2 and step 4 is the correct answer

Step-by-step explanation:

7 0
2 years ago
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