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3 years ago

What is (-1) to the 39 power

Mathematics

2 answers:

Anika [276]3 years ago

3 0

(-1)^39=-1.............

muminat3 years ago

3 0

-1^39 = -1 . . . why? . . . because it's like multiplying -1 . . 39 times . . and whenever you multiply an odd number an odd number of times, the negative sign will remain the same.

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Using the exponential regression mode, which prediction of the wavelength of the key that is 8 above the A above middle C

zhannawk [14.2K]

Answer:

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Step-by-step explanation:

steps 12345 free bobby

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3 years ago

A toolbox contains a pile of mixed up pile of wrenches. The wrenches are all labeled with the dimension of their openings in fra

Sergio039 [100]

1.

a)Two different methods for ordering these wrenches are either
converting the measurements into decimal or converting them into
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b) I chose to convert them into fractions with an LCD of 16. The fractions
are: 8/16, 12/16, 6/16, 10/16, 5/16, 7/16, 11/16

c) The ordered form of the fractions, from least to greatest, is 5/16, 3/8,
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2. I don't see how I can put them on a number line.

3. The number line can definitely be used to support the answer from part C (if it is done correctly). That is because if the order on the number line is the same as the order in C, then we know that C is correct. In addition, since the number line includes benchmarks, we can easily see if the answer to C is incorrect.

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3 years ago

Read 2 more answers

At the stadium, the Grandstands, Bleachers and Box Seats cost $6.75, $4.50 and $10.50, respectively. If you have $80, then how m

Vesna [10]

You would be able to buy 7 seats because you would divide 10.50 by 80 and you would get 7.6.... and you don't have a 6th of a person so it would then be just 7.

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4 years ago

Suppose that 45% of students in a college have a smart phone. If you select three students at random, what is the probability th

Sidana [21]

Answer:

$P(X=3)$

And we can use the probability mass function and we got:

$P(X=3)=(3C3)(0.45)^3 (1-0.45)^{3-3}=0.091$

Then the probability that all three have a smart phone is 0.091

Step-by-step explanation:

Let X the random variable of interest "number of students with smartphone", on this case we now that:

$X \sim Binom(n=3, p=0452)$

The probability mass function for the Binomial distribution is given as:

$P(X)=(nCx)(p)^x (1-p)^{n-x}$

Where (nCx) means combinatory and it's given by this formula:

$nCx=\frac{n!}{(n-x)! x!}$

And we want to find this probability:

$P(X=3)$

And we can use the probability mass function and we got:

$P(X=3)=(3C3)(0.45)^3 (1-0.45)^{3-3}=0.091$

Then the probability that all three have a smart phone is 0.091

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3 years ago

The area of a rectangular garden is 3927cm . If the width of the garden is 51 m , what is its length?

Galina-37 [17]

Answer:

Step-by-step explanation:

The area of a rectangle is A = lw. 'A', the area, is 3927, and 'w', the width, is 51. By substituting the values in, we get that 3927 = 51L. Dividing both sides by 51, we get that L, the length, is 77.

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3 years ago