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pickupchik [31]
4 years ago
6

Use the properties of logarithms to write the expression as a sum, difference, or multiples of logarithms of x, y, or constants.

Mathematics
1 answer:
kolbaska11 [484]4 years ago
6 0
I expanded the value using logarithm rules.
Comment if you need clarification!

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Are angles AFB and DFC vertical?
Alexxandr [17]
Hi,
I don't think they are because the right angle sign is not there in angle AFB.
Hope this helps you.
7 0
3 years ago
Read 2 more answers
Khan academy <br><br><br><br> Answer if you know only!!!
Flauer [41]

Answer:

x=45°

Step-by-step explanation:

The 160° plus the unlabeled angle to the left of it are supplementary, meaning when added they equal 180°. The unlabeled angle will therefore be 20°. The angle across from the 20° will also be 20°. 115° + 20° = 135°. Now all that is left on the top half is x.

180° - 135° = 45°

4 0
3 years ago
The legs of a right triangle are x and 15 while the hypotenuse is 17.
Deffense [45]

Answer:

Since the Option of equation are not given. Kindly chose any of the below equation from the answer to find the value of 'x'.

x^2+15^2=17^2

x^2=17^2-15^2

OR

x^2+225=289

x^2=289-225

Step-by-step explanation:

Given:

Length of One leg = x

Length of other Leg= 15

Hypotenuse = 17

We need to find the equation used to determine the value of x.

Solution:

Assuming Triangle to right angled triangle.

So we will apply Pythagoras theorem which sates that;

"The square of sum of two legs of right angle triangle is equal to square of the length of hypotenuse."

so we can say that;

x^2+15^2=17^2

x^2=17^2-15^2

OR

x^2+225=289

x^2=289-225

Since the equation are not given. Kindly chose any of the below equation from the answer to find the value of 'x'.

x^2+15^2=17^2

x^2=17^2-15^2

OR

x^2+225=289

x^2=289-225

5 0
3 years ago
6.2×10 +6×10³ Brainiest if right
wel

Answer: 6062

<u>Add Parentheses</u>

(6.2*10)+(6*10^3)

Note: Always Multiply the Parentheses first!

<u>Multiply</u>

6.2*10=62

6*10^3=6000

<u>How is 6×10^3 6000?</u>

Before you multiply the whole equation you first Multiply 10 3 times. This is called an Exponent. In my own words, an exponent is a number that tells you how many times to multiply that number. So if we had 6^2 I will multiply 6×6 2 times. So we multiply 10×10×10 and get 1000. Then we multiply 6×1000 and get 6000.

<u>Add</u>

Since the final step is to add we Add the answer we got for 6.2×10 and 6×10^3.

Therefore we are adding 62*6000 and we get 6062.

3 0
4 years ago
If 5+ 20 -22-3х - 10.2-2x+5, what is the value of х?
Elodia [21]

Answer:

<h2>3</h2>

Step-by-step explanation:

5+20\cdot2^{2-3x}=10\cdot2^{-2x}+5\qquad\text{subtract 5 from both sides}\\\\20\cdot2^{2-3x}=10\cdot2^{-2x}\qquad\text{divide both sides by 10}\\\\2\cdot2^{2-3x}=2^{-2x}\qquad\text{use}\ a^n\cdot a^m=a^{n+m}\\\\2^{1+2-3x}=2^{-2x}\\\\2^{3-3x}=2^{-2x}\iff3-3x=-2x\qquad\text{subteact 3 from both sides}\\\\-3x=-2x-3\qquad\tex\qquad\text{add}\ 2x\ \text{to both sides}\\\\-x=-3\qquad\text{change the signs}\\\\x=3

8 0
3 years ago
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