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Andrew [12]
3 years ago
13

Simply and find the value of the following

Mathematics
2 answers:
Digiron [165]3 years ago
5 0

Answer:

this is the answer of your question

anyanavicka [17]3 years ago
4 0

Step-by-step explanation:

i) \:  {(729)}^{ \frac{1}{6} }

=  {(3 \times 3 \times 3 \times 3 \times 3 \times 3)}^{ \frac{1}{6} }

=    \sqrt[6]{(3 \times 3 \times 3 \times 3 \times 3 \times 3)}

= <em><u>3 (Ans)</u></em>

ii) \:  {(64)}^{ \frac{2}{3} }

=  \sqrt[3]{ {64}^{2} }

=  \sqrt[3]{(64 \times 64)}

=  \sqrt[3]{ {2}^{12} }

=  {(2)}^{ \frac{12}{3} }

=  {2}^{4}

= <em><u>16 (Ans)</u></em>

iii) \:  {(243)}^{ \frac{6}{5} }

= {( \sqrt[5]{ {243} })}^{6}

=  {3}^{6}

= <em><u>729 (Ans)</u></em>

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Suppose the line of best fit is being found for some points that have an r-value of 0.769. If the standard deviation of the x-co
jeyben [28]

r value i.e Correlation between x value and y value = 0.769

A_{x}=Standard deviation of the x-coordinate = 5.508

 A_{y}=Standard deviation of the y-coordinate = ?=k

Slope of line is given by formula

If slope of line is m, then

m = r\times \frac{ A_{x}}{A _{y}}

m= 0.769 \times \frac{k}{5.508}

Substitute the value of k, i.e Standard deviation of the y-coordinate and then you can get the slope of line to three decimal places.

7 0
3 years ago
Tamara has money in a savings account
olga2289 [7]

Answer:

  • 1.03a

Step-by-step explanation:

  • Amount in account = a
  • Interest rate = 3% per month

<u>Amount after a month:</u>

1. ........................

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2. ........................

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4 0
3 years ago
Lou wants to make a coffee mixture to sell. He is going to mix Sumatra coffee which costs $2.50 per pound with Columbian coffee
Scilla [17]
To answer this question you need to create 2 equations:
S+C=50
2.50S+3.75C=3.35*(50) 
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2.50*(50-C)+3.75C=167.5
Now you just need to solve this equation, the final answer will be 34 pounds of colombian coffee and 16 pounds of sumatra coffee 
5 0
3 years ago
PLEASE HELP IT"S DUE IN 20 MINS!!!
BlackZzzverrR [31]

Answer:

the available molding is not enough the molding is 1 inch shorter

Step-by-step explanation:

convert 13 feet into inches then add the 9 inches

7 0
3 years ago
Help me I’m on gradpoint. I will mark you brainlest if you can also find the website to get all gradpoint answers!
AlekseyPX

Answer:

C. (1, 1, 2)

Step-by-step explanation:

Well plugging them in one by one.

x + y - z = 0

-1 + 2 - 4 = 0

no.... no it doesn't equal 0 so it isn't the solution

-1 + 0 - 2 = 0

nope it doesn't equal 0 so it's also not the solution

1 + 1 - 2 = 0

Yes! this could equal the solution so lets keep going down the line

3x - y + z = 4

(3*1) -1 + 2 = 4

Yes! this also is correct

I could keep talking and talking but yes, (1, 1, 2) is your answer

Hope this helps! <3

3 0
2 years ago
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