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12345 [234]
3 years ago
14

HELP FAST PLEASE MARKING BRAINLIEST AND GIVING LOTS OF POINTS!!!

Mathematics
2 answers:
maks197457 [2]3 years ago
8 0

the answer is log((x-2)^2)


andreev551 [17]3 years ago
4 0

Answer:

log [(x - 2)^2 ] 

Step-by-step explanation:

3 log(x - 2) + log (x + 2) - log (x^2 - 4)

= log (x - 2)^3 + log ( x + 2) - log (x^2 - 4)

= log [ (x - 2)^3 (x + 2) / (x^2 - 4) ]

= log (x - 2)^3 (x + 2) / (x - 2)(x + 2)]

= log [(x - 2)^2 ] 

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What does fregmant means
disa [49]

Answer: A section of something

Step-by-step explanation: A section of something

4 0
3 years ago
Thirty 5 points for this answer. no links.<br> 4(a-2) = 2(a-4) + 2a
Anarel [89]

Answer:

a = 0

Step-by-step explanation:

4(a-2) = 2(a-4) + 2a

4a - 8 = 2a - 8 + 2a

4a - 2a - 2a = -8 + 8

    0             =    0

5 0
2 years ago
Read 2 more answers
HELP ASAP PLSSSSSSSSSSSS
ludmilkaskok [199]

Answer:

f = .39

Step-by-step explanation:

d (v) = 2.15 v^2 / (64.4 f)

v = 40

d = 138

substitute these in

138 = 2.15 (40)^2 / (64.4 *f)

simplify

138 = 2.15 (*1600) / (64.4 *f)

138 = 3440 / (64.4 *f)

multiply each side by 64.4f

138 * 64.4 f = 3440

8887.2 f = 3440

divide by 8887.2

8887.2 f /8887.2= 3440/8887.2

f=.38707

to the nearest hundredth

f = .39

8 0
3 years ago
Read 2 more answers
Larisa earns $7 per hour.she worked 40 hours at the regular rate, 3 hours at time and half, and 6 hours at double time.
VARVARA [1.3K]

Answer:

$6.07/hr. if I understand the question properly.  See below.

Step-by-step explanation:

I don't see the question, but will assume we want to find Larisa's base pay.  The $7/hr given is the average for the work sequence noted in the problem.  If this is incorrect, ignore the answer.

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

Let x be Larisa's base salary.  We are told, I think, that in one stretch of time Larisa earned an average of $7/hour.  That was composed of:

<u>Hours</u>  <u>Rate($/hr)</u>

  40           x

    3        1.5x

<u>     6    </u>     2x

  49

Her total income over this period would be:

40x +3(1.5x) + 6(2x)  [The hours worked times the pay rate for each period]

Her average income per hour would be:

(40x +3(1.5x) + 6(2x))/49

which we are told is $7/hr.

(40x +3(1.5x) + 6(2x))/49 = 7

40x + 4.5x + 12x = 343

56.5x = 343

x = $6.07/hr

6 0
1 year ago
Jen factored x² - 4x - 21 as (x - 3)(x + 7) What did she do wrong?
alexgriva [62]

Answer:

She didn't put the sign's in the proper place, it should be ( x + 3 ) ( x - 7 )

Step-by-step explanation:

( x - 3 ) ( x + 7 ) = x² + 7x - 3x - 21 = x² + 4x - 21

( x + 3 ) ( x - 7 ) = x² - 7x + 3x - 21 = x² - 4x - 21

5 0
3 years ago
Read 2 more answers
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