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kompoz [17]
3 years ago
6

Evaluate log3 1 over 81 27 4 −27 −4

Mathematics
1 answer:
OLEGan [10]3 years ago
5 0
 <span> log3 1/81=x </span>
<span>Then 3^x = 1/81 </span>
<span>3^4 = 81 </span>
<span>we want 1/81 </span>
<span>3^-4 = 1/3^4 </span>
<span>x=-4
hope this helps</span>
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when the sum of an unknown number z and twenty two is divided by the same unknown number,the quotient is twelve what is the unkn
Anarel [89]

The unknown number . . . . .  (z)

The sum of the unknown number and 22 . . . . .  (z + 22)

The sum of the unknown number and 22
divided by the same unknown number . . . . . . .  (z + 22) / z

You said that quotient is 12.              (z + 22) / z  =  12

Multiply each side by 'z' :                  (z + 22)       =  12 z

Subtract 'z' from each side:                      22        =  11 z

Divide each side by  11 :                           2         =      z .
   
6 0
3 years ago
Find the missing coefficient.
lawyer [7]
<span>(2d - 5)(2d - 4) = 4d^2 - 2d x 4 - 5 x 2d + 20 = 4d^2 - 18d + 20

Answer is B
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3 0
3 years ago
Read 2 more answers
I need to show my work help
Tema [17]

Answer:

it will take 90 minutes

Step-by-step explanation:

10 - 6 = 9

9 x 10 = 90

4 0
2 years ago
Read 2 more answers
PLEASE HELP ME QUICKKKK!
telo118 [61]

Look up what is mean and calculate it.

5 0
3 years ago
4 3/4 X 4 1/7 what is it please help
Y_Kistochka [10]

first you turn the fractions into inproper fractions by multiplying the whole number by the denomonator and adding the numerator

4×4=16

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keep the denomonators the same. now that you've converted them into inproper fractions you can multiply them

19/4 × 29/7=551/28

there is no way to simplify this answer so this is the final answer

7 0
3 years ago
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