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Mars2501 [29]
3 years ago
5

Compute the average (mean) from the data shown. (round to the nearest whole number)

Mathematics
1 answer:
Norma-Jean [14]3 years ago
3 0

Answer:the answer is B 60.

Step-by-step explanation:

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Find the mean of the following data set<br> 73, 81, 51, 76, 89, 95, 88
kifflom [539]

Answer:

mean =  \frac{(73 + 81 + 51 + 76 + 89 + 95 + 88)}{7}  \\  = 79

6 0
2 years ago
Read 2 more answers
Rationalize the denominator of the fraction: √5/√8 - √3
Lana71 [14]

Answer:

Step-by-step explanation:

Remark

The editor must have brackets put around the denominator when there are 2 terms.

That means I think the question is (√5) / (√8 - √3). If this is incorrect, leave a note.

To rationalize the denominator, you must multiply numerator and denominator by the conjugate  (√8 + √3).

Solution

√5 *  (√8 - √3) /  ( (√8 - √3) *  (√8 + √3)  )  

I don't think there is any point in removing the brackets in the numerator. Just leave it.

The denominator is a different matter.

denominator = ( (√8 - √3) *  (√8 + √3)  )

√8 * √8 = 8

√8 * √3 = √24

- √3 * √8 = - √24

-√3 * √3 = - 3

Take a close look at the 2 middle terms. They cancel out because one of them is plus and the other minus.

What you are left with is 8 - 3 = 5

So the final answer is

√5 *  (√8 - √3)

=============

5

6 0
2 years ago
3x+5+2x^-7+8x-5x^-11x+4-5x+3x^+4+3x-6+2x+x^ <br><br><br> ^ = the 2nd power
beks73 [17]

The new answer I got is 25.

7 0
3 years ago
Can you solve the equation 2/3(4x - 5)= 8 by using the division property of equality? explain.
bija089 [108]

\dfrac{2}{3}(4x-5)=8\qquad|\text{use the division property of equality}\\\\\dfrac{2}{3}(4x-5):\dfrac{2}{3}=8:\dfrac{2}{3}\\\\\dfrac{2}{3}(4x-5)\cdot\dfrac{3}{2}=8\cdot\dfrac{3}{2}\\\\4x-5=4\cdot3\\\\4x-5=12\qquad|\text{use addition property of equality}\\\\4x-5+5=12+5\\\\4x=17\qquad|\text{use the division property of equality}\\\\4x : 4=17:4\\\\x=\dfrac{17}{4}

8 0
3 years ago
Bernie bought a pair of shoes at the store when they were having a 30% off sale. If the
Ne4ueva [31]
It’s $12.60 dollars!!!
3 0
2 years ago
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