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goldenfox [79]
3 years ago
12

Solve for x -4x - 2 -42

Mathematics
1 answer:
Lapatulllka [165]3 years ago
5 0

Answer:

-11

Step-by-step explanation:

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The answer would be:
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3 years ago
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How can I make this exercise?? Please Help
Maru [420]

x = 3 or x = 1

note that log 5 is usually taken to mean log_{10} 5

using the law of logarithms

logx - logy = log (\frac{x}{y})

the right hand side can be expressed as

log 10000 - log 16 = log (\frac{10000}{16}) = log 625

divide both sides by log 5

x² - 4x + 7 = \frac{log625}{log5} = 4

subtract 4 from both sides

x² - 4x + 3 = 0 ← in standard form

(x - 3 )(x - 1) = 0

equate each factor to zero and solve for x

x - 3 = 0 ⇒ x = 3

x - 1 = 0 ⇒ x = 1


8 0
3 years ago
Complete the sequence: 1, 1, 2, 3, 5, ____, ____, ____.
Elza [17]

Answer:

8, 13, 21

Step-by-step explanation:

This is a part of the Fibonacci sequence. it is where you add the two previous numbers together to get the third.

<u><em>Ex. </em></u>

<u><em>1+1 = 2</em></u>

<u><em>1+2 = 3</em></u>

7 0
3 years ago
Jade ran 6 times around her neighborhood to complete a total of 1 mile. How many times will she need to run to complete 5/6 of m
svetlana [45]
Set up a proportion where number of times is on top and miles is on bottom:
6/1 = x/(5/6)
Cross-multiply:
6*(5/6) = 1*x
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She must run 5 times around her neighborhood.
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Kelly's bill at a restaurant came to $21.52. If
uranmaximum [27]
$3.87 for the 18% tip.
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