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2 years ago

Step by step and the answer to the problem

Mathematics

2 answers:

DedPeter [7]2 years ago

4 0

2(1/2)-1(4/7)

(5/2)-(11/7) multiply the big 2 with the two on the bottom and add it with one and put it on top

same thing but with the whole number with the seven and adding it with whatever is on top

(35/14)-(22/14)

multiply (5/2) with (7/7) to have the same denominator and (11/7) with (2/2)

(13/14)

Alex787 [66]2 years ago

3 0

Answer:

Step-by-step explanation:

Step 1: Convert to improper fractions

2 1/2= 5/2

1 4/7=11/7

Step 2: FInd a common demominator

5/2=35/14

11/7=22/14

Step 3: Subtract fractions

35/14-22/14=13/14

Answer: 13/14

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3 years ago

Which of the following equations is equivalent to log(y)= 3.994 ?

Kisachek [45]

Answer:

The correct answer is option D: $y = 10^{3.994}$

Step-by-step explanation:

Given:

log(y)= 3.994

Solution:

A logarithm base b of a positive number x satisfies the following definition:

$y =log_b(x) => b^y =x$

For $x > 0, b >0, b \neq 1$

Also if no base b is indicated, the base of the logarithm is assumed to be 10 .

Thus, in log(y)= 3.994 base b is not indicated. so its base is assumed to be 10

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