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schepotkina [342]
3 years ago
13

If log a= -5, what is the value of a?

Mathematics
2 answers:
arsen [322]3 years ago
7 0

Answer:

0.00001 or 1/100,000

Step-by-step explanation:

if log 100,000 = 5 then it must be the opposite which is ^^

mark me brainliest please!

erastova [34]3 years ago
3 0

Answer:

1/100000

Step-by-step explanation:

log_{10} a=-5\\10^{-5}=a\\\frac{1}{10} ^{5} =a\\\frac{1}{100000} =a

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Find y<br>Solve the simultaneous <br>equations<br><br><br>3x + 2y = 27 3x - Y = 9<br>​
lutik1710 [3]

Answer:

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Step-by-step explanation:

To find y, we need to eliminate x in this system of equations:

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From (1) and (2):

x = \frac{27-2\cdot y}{3}

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