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Gala2k [10]
3 years ago
8

Find a counterexample to show each conjecture is false​

Mathematics
1 answer:
ANEK [815]3 years ago
7 0

Answer:

I am 85.9% sure the answer is number 15.

Step-by-step explanation:

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Plz answer my question it is urgent..!!
oee [108]

Answer:

In the step-by-step explanation!

Step-by-step explanation:

Not sure if it is too late but here:

1.)

\frac{1}{\alpha}+\frac{1}{\beta} \\\frac{\beta}{\alpha \beta } +\frac{\alpha}{\alpha \beta } \\\frac{\alpha +\beta }{\alpha \beta }

2.)

\frac{1 }{\alpha } *\frac{1}{\beta} = \frac{1*1}{\alpha*\beta} =\frac{1}{\alpha \beta}

3.)

\frac{1}{\alpha}-\frac{1}{\beta}\\ \frac{\beta}{\alpha \beta } -\frac{\alpha }{\alpha \beta } \\\frac{\beta -\alpha }{\alpha \beta }

Hopes this help! Please give me Brainliest!

6 0
3 years ago
Which equation has infinitely many solutions?
mars1129 [50]
If we apply the distributive law to right side of the third choice  we get:-

-12x - 9 = -9 - 12x

right side = left side so infinite solutions
8 0
3 years ago
Find how many years it would take for an investment of $3700 to grow to $6000 at an annual interest rate of 6.2% compounded semi
lorasvet [3.4K]

Answer:

  7 years 11 months

Step-by-step explanation:

The future value formula for the value of a principal P invested at annual rate r compounded n times yearly for t years is ...

  FV = P(1 +r/n)^(nt)

For the given numbers, we want to find t:

  6000 = 3700(1 +.062/2)^(2t)

Dividing by 3700 and taking the logarithm, we get ...

  6000/3700 = 1.031^(2t)

  log(60/37) = 2t·log(1.031)

Dividing by the coefficient of t gives ...

  t = log(60/37)/(2log(1.031)) ≈ 7.92 . . . . . years

It will take about 7 years 11 months for the investment to grow to $6000.

7 0
3 years ago
Please help me on this problem
mr_godi [17]
2(n+7) =3n

n = 14

<span>n = 14</span>
8 0
3 years ago
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1 1/8 divided by 6 1/2
Nadya [2.5K]

Answer: 9/52

Step-by-step explanation:

6 0
2 years ago
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