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Anon25 [30]
2 years ago
15

Select all that justify the following statement. 8•1/8+(-1)+5=5

Mathematics
2 answers:
Lisa [10]2 years ago
7 0

The statments that justify this eqaution would be:

inverse - addition

inverse - multiplication

Ulleksa [173]2 years ago
7 0

Answer:

Option A, F and G are correct.

Step-by-step explanation:

Given the expression

8.\frac{1}{8}+(-1)+5=5          

We have to select the statement that justify the above expression.

LHS is

8.\frac{1}{8}+(-1)+5

\text{Here, }\frac{1}{8} \text{is the inverse of 8 which is to be multiplied}

∴ inverse-muliplication  

Now, there are 3 terms

1+(-1)+5 which is to be solved

Now, first two are to be added i.e

Associative-addition and commutative-addition takes place.

Hence, option A, F and G are correct.

     

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Use Part 1 of the Fundamental Theorem of Calculus to find the derivative of the function. g(x) = 7x u2 − 1 u2 + 1 du 6x Hint: 7x
VikaD [51]

It looks like you're given

g(x)=\displaystyle\int_{6x}^{7x}\frac{u^2-1}{u^2+1}\,\mathrm du

Then by the additivity of definite integrals this is the same as

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(presumably this is what the hint suggests to use)

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2 years ago
Omar recorded the number of hours he worked each week for a year. Below is a random sample that he took from his data.
lidiya [134]

Answer: B) 4

Step-by-step explanation:

Using the formula

Standard deviation = √( (Σ ( x - π)²)/n)

To get the standard deviation, first we workout the Mean which is the simple average of the data set

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Then (x-π)²

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Standard deviation = √( (Σ ( x - π)²)/n

= √ (80/4)

=√20

= 4.47

= 4

7 0
2 years ago
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