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Maslowich
2 years ago
14

Please help please 10 points

Mathematics
1 answer:
Aliun [14]2 years ago
5 0
I think the answer might be d
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Use the given equation to find the number <br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B1%7D%7B2%7D%20x%20-%2019.7%20%3D%20
ziro4ka [17]

Answer:

x = 31.2

Step-by-step explanation:

\frac{1}{2}x - 19.7 = -4.1

\frac{1}{2}x = 15.6 --- add 19.7 to both sides to get rid of -19.7

x = 31.2 --- multiply both sides by 2 to get rid of \frac{1}{2}

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3 years ago
X multiplied by 3 is greater than or equal to 21<br><br> What’s the inequality to this?
Andre45 [30]

Answer:

3x<u>></u><u>=</u><u> </u><u>21</u>

Step-by-step explanation:

Happy 2 Help. Hope you get a good grade lol

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3 years ago
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Ronnie and Angela went to the pizza shop and each bought a medium pizza. Angela cut her pizza into four pieces and ate three of
Luden [163]

Answer: there is nothing shown below

Step-by-step explanation:

3 0
3 years ago
Who got insta gram I need help with my assignments I need a good grade so I can pass I’ll pay u 60$ to help with all my assignme
matrenka [14]
What’s the assignment on? I’ll dm you give me your username
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3 years ago
What is the average (arithmetic mean) of the first 90 measurements in a certain list of 92 measurements? (1) the average of the
marishachu [46]
The sum of all the measurements is just the average times the number.

\bar x = \frac{1}{n} \sum_{i=1}^n x_i

\sum_{i=1}^n x_i = n \bar x

So if the average of all 92 is 7 the sum of those is 92 \times 7

The average of the last two is 7.2 so their sum is 2 \times 7.2

That means the sum of the first 90 is 92 \times 7 - 2 \times 7.2

so the average of the first 90 is

 \dfrac{92 \times 7 - 2 \times 7.2}{90} = 6.99556 cm



7 0
3 years ago
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