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VARVARA [1.3K]
3 years ago
15

I need help on this homework question please

Mathematics
1 answer:
zheka24 [161]3 years ago
3 0

(a) In functional notation, you are asked for C(600).

For this, put 600 where t is in the functional notation C(t).

(b) The value multiplying 8 is 0.5 when the exponent of 0.5 is 1. That is

... t/5730 = 1

Multiplying by 5730 gives

... t = 5730

It will take 5730 years for half the Carbon 14 to be gone.

___

Or, you can recognize a fraction is 1 when its numerator is the same as its denominator. That is t/5730 = 5730/5730 = 1 when t=5730.

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12. A circle has a center at C(2,5) and a point on the circle has coordinates A(8, 13). Could the point B lie on
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No.

Step-by-step explanation:

A circle is defined as a figure in which all points are equidistant from the center, or C.  In order to determine how far points A and B are from the center, we must first find the difference in positioning from (2,5) to each point and then use Pythagorean Theorem to calculate the length of the hypotenuse.  Point A establishes that the radius of the circle must be 10 units, and Point Bis only about 8 units away.

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8 0
3 years ago
8.EE.1.2
Semenov [28]

Considering that the square root of 9 is of 81 and of 10 is of 100, we have that the expression that has a value between 9 and 10 is given by:

B.) √89

E.) \sqrt[3]{750}

F.) \sqrt[3]{999}

<h3>How the square root of a number is used to solve this question?</h3>

We suppose numbers n and m, with square roots given, respectively, by n² and m².

Then, the square roots of all numbers between n² and m² have values between n and m.

In this problem, the square roots are given by:

  • 9² = 81.
  • 10² = 100.

Hence, the square root of all values between 82 and 99 are values between 9 and 10, thus option B is correct.

As for the cubic root, we apply the same logic and have that:

  • 9³ = 729.
  • 10³ = 1000.

Hence options E and F are also correct, as the values between 730 and 999 have cubic roots between 9 and 10.

More can be learned about the value of a expression at brainly.com/question/25537936

#SPJ1

4 0
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