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Alexxandr [17]
3 years ago
8

Is 0.71711... a rational number or irrational?

Mathematics
2 answers:
Dima020 [189]3 years ago
6 0

Answer:

it is an irrational number

trapecia [35]3 years ago
3 0

Answer:

Irrational Number

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Simplify: -4b^6 + (-26b^6)
DENIUS [597]

Answer:

-30b^{6}

Step-by-step explanation:

-4b^6 + -24b^6 = -30b^6

7 0
3 years ago
Which of the following are measurements of the sides of a right triangle?
Anna [14]

the answer is D. all of the above

6 0
4 years ago
Sarah is doing research on the average age of first-year resident physicians. She wants her estimate to be accurate to within 1
WINSTONCH [101]

Answer: The number of first-year residents she must survey to be 95% confident= 263

Step-by-step explanation:

When population standard deviation (\sigma)  is known and margin of error(E) is given, then the minimum sample size (n) is given by :-

n=(\dfrac{z^*\sigma}{E})^2, z* = Two-tailed critical value for the given confidence interval.

For 95% confidence level , z* = 1.96

As, \sigma = 8.265, E = 1

So, n= (\dfrac{1.96\times8.265}{1})^2 =(16.1994)^2\\\\= 262.42056036\approx263\ \ \ [\text{Rounded to the next integer}]

Hence, the number of first-year residents she must survey to be 95% confident= 263

7 0
3 years ago
Match the expressions to their solutions or equivalents. -1/9 / (-1/3)
Zepler [3.9K]

The quotient of the given expression is 1/3

<h3>Difference and division of fractions</h3>

Fractions are written as a ratio of two integers

Given the expression below'

-1/9 / (-1/3)

Change the division to multiplication

-1/9 * -3/1

1/9 * 3/1

1/3

Hence the quotient of the given expression is 1/3

Learn more on fractions here: brainly.com/question/78672

#SPJ1

8 0
2 years ago
-y= 4x + 1
ivolga24 [154]

Answer:

I believe the answer would be C.

Step-by-step explanation:

This is because after plugging in the numbers (2 in replace of x) (-9 in replace of y) for the problem -2y- 6x =6... the statement was determined true.... so, therefore, I believe the correct answer is C

6 0
3 years ago
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