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Virty [35]
2 years ago
7

Log(3+√5) + log(3 - √5) = ?​

Mathematics
1 answer:
VashaNatasha [74]2 years ago
8 0

Given that

log (3+√5) + log (3-√5)

We know that

log ab = log a + log b

⇛log [(3+√5)(3-√5)]

This is in the form of (a+b)(a-b)

Where a = 3 and b = √5

We know that

(a+b)(a-b) = a²-b²

⇛log [(3)²-(√5)²]

⇛log(9-5)

⇛log 4

<u>Answer</u> :- log (3+√5) + log (3-√5) = log 4

<u>also</u><u> read</u><u> similar</u><u> questions</u><u>:</u> log(5) + log(3) rewrite the following in the form log(c)....

brainly.com/question/857062?referrer

witch of the following expression is equivalent to the logarithmic expression below. log(3)5/x^2 A)log(3) 5+2 log(3)x B)log(3) 5-2 log(3)x C)2 log(3) 5 -log(3)x...

brainly.com/question/10025117?referrer

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pochemuha

Answer: 12,600

Step-by-step explanation: 5% of 10,500 is 525. Multiply that by 4 and get 2,100. Add that to 10,500 and you get 12,600.

7 0
3 years ago
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Julia bought stock at $281/8 per share. The value of each share increased by $65/8. How much is each share of stock now worth?​
const2013 [10]

The worth of the share of stock is $34\frac{3}{4}.

<h3>What is the worth of the stock now?</h3>

A fraction is a non-integer that is made up of a numerator and a denominator. The numerator is the number above and the denominator is the number below.

A mixed fraction is a fraction that is made up of a whole number and a proper fraction.  A proper fraction is a number where the numerator is less than the denominator.

The worth of the stock now = purchase price + increase in the share price

28 1/8 + 6 5/8

34 \frac{1 + 5}{8}

34\frac{6}{8} = 34\frac{3}{4}

To learn more about fractions, please check: brainly.com/question/1114498

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3 0
1 year ago
What interger is equivalent to 9 1/2
photoshop1234 [79]

Answer:

None

Step-by-step explanation:

There is no integer equivalent to 91/2, integers can't have a decimal.

However, I assume you would like me to answer 9.5, even though it isn't an integer.

8 0
3 years ago
At a concession stand five hotdogs and two hamburgers cost 8.00 two hotdogs and five hamburgers cost 9.50 find the cost of one h
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Think of this situation as a system of equations.

let y be the price of hotdogs
let x be the price of hamburgers

5y + 2x = 8
2y + 5x = 9.50

now use your solution method of choice
substitution, elimination, matrices, etc
6 0
3 years ago
Tammy is at the dentist's office waiting on her appointment. She notices that the 6-inch-long minute hand is rotating around the
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PART 1:55-21=35
             35/60=<span>.58333 
             360</span>×<span>.58333 =210 DEGREES
             </span><span>210*pi/180 = 3.665 RADIANS

PART 2: </span><span>(pi) x 2r x .58333 
              </span><span>3.14 x 12 x .58333 = 21.98 in 

PART 3: </span><span>5π inches = 5 x 3.14 = 15.708 inches / 6 in radius = 2.618 radians 

PART 4: </span><span>2.618 radians * 180/pi = 150° </span>
<span>             x coordinate = 6(cos 150°) = -5.196 </span>
<span>             y coordinate = 6(sin 150°) = 3 </span>
<span>             the coordinates would be (-5.196, 2)</span>
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