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Lana71 [14]
3 years ago
7

Step by step for 7,9, 11. EVEN IF U CANT DO ALL, u can help with 1 or 2. Ill mark brainly.

Mathematics
1 answer:
KATRIN_1 [288]3 years ago
4 0

Answer:

7) 4 \ log_3(x) - 4 \ log_3(y)

9) 5log_4(7) - 5log_4(12)

11) 5log_5 \ (x) - log_5 \ (y)

Step-by-step explanation:

log_3 (\frac{x}{y})^{4}

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Use Logarithm of a Quotient which states

log_b \frac{M}{N}  = log_b M-log_bN

And also use Logarithm of a Power which states

log_b\ M^{n} = n\log_bM

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So using these two properties,

7. 4 \ log_3(x) - 4 \ log_3(y)

----------------------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------------

For #9, use the same logarithm propertied

log_4(\frac{7}{12})^5 = 5log_4(7) - 5log_4(12)

----------------------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------------

#11 is also the same concept

log_5\ \frac{x^5}{y} = 5log_5 \ (x) - log_5 \ (y)

It is not  - 5 log5(y) since only x is to the power of 5 not y

----------------------------------------------------------------------------------------------------

Hope this is what you were looking for and helps you! Have a nice day/night :)

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Kite A B C D is shown. Lines are drawn from point A to point C and from point B to point D and intersect.
Margaret [11]

The length of AC is 12 units . Option D

<h3>How to determine the length</h3>

The formula for area of a kite is given thus;

Area = \frac{p * q}{2}

Where p and q are the lengths

Area of kite = 48 square units

BD, q = 8 units

AC , p = unknown

Substitute the values

48 = \frac{AC * 8}{2}

Cross multiply

AC * 8 = 48 * 2

8AC = 96

AC = \frac{96}{8}

AC = 12 units

Thus, the length of AC is 12 units . Option D

Learn more about area of a kite here:

https://brainly.in/question/33613094

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5 0
2 years ago
the average temperature at the south pole is -45°f. the average temperature on the equator is 92°f. how much warmer is the avera
weeeeeb [17]
That would be a 137 degree difference.
7 0
3 years ago
PLEASE HELP! No links please. Will make brainliest answer
maria [59]

Answer:

36

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7 0
3 years ago
Tim had $20.00 to spend on 6 pens. After buying them, he had $8.00. How much did each pen cost?
Kazeer [188]
If Tim had $20 to spend on 6 pens, and after buying them he had $8 left, that means that he spent 20 - 8 = $12 dollars on those 6 pens.
This means that to calculate the price of one pen, you just need to divide the money he spent ($12) by the number of pens he bought (6), and that is 12/6 = 2. Each pen cost him <span>$2.</span>
5 0
3 years ago
Read 2 more answers
Find the total surface area of this cylinder . Give your answer to 1 decimal place 7cm 15 cm
Leto [7]

Answer:

Step-by-step explanation:

r = 7 cm

h = 15cm

pi = 3.14

Top and bottom (These questions drive you crazy when you don't know if there is both a top and bottom).

Area = 2* pi *r^2 = 2 * 3.14 * 7^2

Area = 2 * 3.14 * 49

Area =                                                        307.72  Don't round this.

Cylinder body

Cylinder body = Circumference * h = 2*pi * r * h

Cylinder body = 2* 3.14 * 7 * 15

Cylinder body =                                      <u> 659.4</u>

<u />

Total =                                                      967.12

Rounded        967.1     Answer

3 0
3 years ago
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