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2 years ago

9

Nathan measured a line to be 7.4 inches long. If the actual length of the line is 7.2 inches, then what was the percent error of

the measurement, to the nearest tenth of a percent?

1 answer:

Verdich [7]2 years ago

3 0

Answer:

2.8%

Step-by-step explanation:

(7.4 - 7.2) / 7.2 =

0.2 / 7.2 =

2.7777777777778%

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Point B has coordinates (2,1). The x-coordinate of point A is −3. The distance between point A and point B is 13 units. What

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A = (-5,y) B = (4,1)

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2 years ago

5 liters of paint for $12 and 10 liters for $24

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The ratio of peanuts to raisins in a snack mix is 5 to 4. A bag of the snack mix contains 200 peanuts. How many raisins are in t

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Answer:

Hey there!

5:4 = 200:x

We multiply 5 by 40 times to get 200.

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Let me know if this helps :)

Step-by-step explanation:

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2 years ago

Which expression is equivalent to log12 (1/2/8w)

dsp73

Answer:

$log_{12}(\frac{1}{2} )-(log_{12}(8 )+log_{12}(w))$ .

Step-by-step explanation:

The given logarithmic expression is $log_{12}(\frac{\frac{1}{2} }{8w})$ .

We need to apply the quotient rule of logarithm, which is given as follows;

$log_{a}(\frac{M}{N} )=log_{a}(M )-log_{a}(N )$ .

We apply this property to obtain,

$log_{12}(\frac{\frac{1}{2} }{8w})=log_{12}(\frac{1}{2} )-log_{12}(8w )$ .

We again apply the product rule which is given as;

$log_{a}({M\times N)=log_{a}(M )+log_{a}(N )$ .

We apply this rule to the last term to get,

$log_{12}(\frac{\frac{1}{2} }{8w})=log_{12}(\frac{1}{2} )-(log_{12}(8 )+log_{12}(w))$ .

Therefore, the correct answer is B.

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Step-by-step explanation:

I used this formula.

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2 years ago