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Wittaler [7]
2 years ago
13

Sam is proving the product property of logarithms. Step justification mc030-1. Jpg given mc030-2. Jpg substitution which express

ion and justification completes the third step of her proof? mc030-3. Jpg; power rule of exponents mc030-4. Jpg subtraction property of exponents mc030-5. Jpg power rule of exponents mc030-6. Jpg division property of exponents.
SAT
2 answers:
harina [27]2 years ago
8 0

The justification of the third step in her proof of the property of logarithms is; log_{b} (b^{xy}); Power rule of exponents

<h3>What are properties of Logarithms?</h3>

From the full question, the second step stopped at;

log_{b} (b^{x} . b^{y} )

Now, according to Power Rule for Exponents we know that (a^m)ⁿ = a^(m*n). That means that to raise a number with an exponent to a power, we will multiply the exponent times the power.

Thus, log_{b} (b^{x} . b^{y} ) will give us  log_{b} (b^{xy}) using power rule of exponents

Read more about Properties of Logarithms at; brainly.com/question/14765705

gogolik [260]2 years ago
8 0

Answer:

C.

Explanation:

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Rina8888 [55]
<h3>Answer:  D)  4</h3>

===========================================================

Explanation:

The width of the confidence interval is 20-12 = 8 units. That cuts in half to get 8/2 = 4 which is the margin of error.

The center of the confidence interval is (12+20)/2 = 32/2 = 16. Add four onto this to get 16+4 = 20, which is the right endpoint. Subtract four from the center to get 16-4 = 12, which is the left endpoint.

Effectively, it's like saying "an archer aims for the value 16 on the number line, and the arrow could land as high as 20 or as low as 12".

8 0
3 years ago
What is the length of ? round to the nearest tenth. 9. 7 m 10. 4 m 37. 3 m 38. 6 m.
REY [17]

The length of x to the nearest tenth is; D: 38.6 m

<h3>Trigonometric ratios</h3>

The image of the triangle is missing and so i have attached it.

From the image attached, we can find the value of x by using trigonometry ratio.

We see that;

  • AB = x
  • AC = 10
  • ∠BAC = 75°

Thus;

10/x = cos 75

10/x = 0.2588

x = 10/0.2588

x = 38.64 m

Approximating to the nearest tenth gives;

x = 38.6 m

Read more about trigonometric ratios at; brainly.com/question/13276558

8 0
2 years ago
Each criteria for a rubric has a corresponding point value. T/F
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That would be true......
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3 years ago
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barxatty [35]
I think it’s C but I could be wrong
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