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LuckyWell [14K]
3 years ago
7

Write the domain of begin function . . . f of x equals, the square root of the quantity . . . 2 times x plus 1 . . . end functio

n
Mathematics
1 answer:
Anni [7]3 years ago
4 0
Domain of f(x)=\sqrt{2x+1} are the values of x for which 2x + 1 < 0
2x < -1
x < -1/2

Therefore, domain is all real numbers less than -1/2
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I jusy wanted to know what did you do to find out that it is 80%?
joja [24]

Answer:

fine out that what is 80%?

Step-by-step explanation:

the question is not complete

3 0
3 years ago
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Angus has $3,000 he want to invest. What interest rate compounded continuously does an account need to offer so that Angus has $
kaheart [24]

Answer:

The interest rate is 7.58%

Step-by-step explanation:

Compound continuous interest can be calculated using the formula:

A = Pe^{rt}, where

  • A is the future value of the investment, including interest
  • P is the principal investment amount (the initial amount)
  • r is the interest rate  in decimal
  • t is the time the money is invested for

∵ Angus has $3,000 he want to invest

∴ P = 3000

∵ The interest rate is compounded continuously

∵ Angus has $5,500 in 8 years

∴ A = 5500

∴ t = 8

→ Substitute them in the rule above to find r

∵ 5500 = 3000e^{8r}

→ Divide both sides by 3000

∴ \frac{11}{6} = e^{8r}

→ Insert ㏑ in both sides

∵ ㏑( \frac{11}{6} ) = ㏑(e^{8r})

→ Remember ㏑(e^{n}) = n

∴ ㏑( \frac{11}{6} ) = 8r

→ Divide both sides by 8

∴ 0.07576697545 = r

→ Multiply it by 100% to change it to a percentage

∴ r = 0.07576697545 × 100%

∴ r = 7.576697545 %

→ Round it to the nearest hundredth

∴ r ≅ 7.58

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3 0
3 years ago
What is the prime factorization for 180
omeli [17]

Answer:

2*2*3*3*5

Step-by-step explanation:

Factor 180 into prime numbers that multiply together to give 180

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Now rewrite them from smallest to largest

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6 0
3 years ago
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Aleksandr-060686 [28]

Answer:

m + 18 + 23 = 71

m + 41 = 71

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8 0
3 years ago
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in a survey it was found that ratio of people who liked modern songs and folk songs ia 8:9 out of which 50people liked both song
lina2011 [118]

Answer:

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the people involved in the survey were 170

3 0
3 years ago
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