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amm1812
3 years ago
8

How do i simplify log3(81x^4)

Mathematics
1 answer:
DerKrebs [107]3 years ago
3 0
Log(ab) = log(a) +log(b) . . . . . . . . . this is the whole point of logarithms

\log_{3}(81x^{4})} = \log_{3}(3^{4}) +log_{3}(x^{4}) = 4+4log_{3}(x)
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In the trapezoid at the right, BE= 2x-8, DE= x-4, and AC= x+2
Marta_Voda [28]

Answer:

A.  x = 5 (Equation below)

B. AC = 9 | BD = 9

Step-by-step explanation:

A. Since we know the diagonals of an isosceles trapezoid are congruent, we know that the two bottom parts of the diagonal BD (2x - 8 and x - 4) are congruent to the diagonal AC (x + 2) . This means you can just equal them together and get the value of x:

2x - 8 + x - 4 = x + 2

3x - 12 = x + 2

3x = x + 14

2x = 14

x = 7

B. Just plug in 5 for x:

AC = x + 2 = 7 + 2 = 9

BD = 2x - 8 + x -4 = 3x - 12 = 21 - 12 = 9

5 0
3 years ago
Simplify -4/7 + (-4/3)
Ksenya-84 [330]
-4/7 - 4/3 

- 12/21 - 28/21 = -40/21

your answer is -1 19/21

hope this helps
6 0
4 years ago
to join a local square dancing group, jan has to pay a $100 registration fee plus $20 per month. how many months can she dance f
Kazeer [188]

Answer: 15 months

Step-by-step explanation:

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3 years ago
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3 0
3 years ago
Which coordinates will best represent point A'?
baherus [9]

Answer: OPTION A.

Step-by-step explanation:

You know that the rule that will be used for the translation of the figure ABC is:

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You can observe in the figure that the coordinates of the point A is this:

A(1,1)

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A'(1-3,\ 1+4)\\\\A'(-2,5)

4 0
3 years ago
Read 2 more answers
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