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vredina [299]
2 years ago
9

7. You forgot to study for your quiz today in Mr. Donald's class. It is a multiple-choice test with 6

Mathematics
1 answer:
Arturiano [62]2 years ago
8 0
I don’t know but I hope you have a good day
You might be interested in
An office manager recorded the number of reams of paper that were used for a printer each month for six months: 15, 10, 25, 19,
Virty [35]
A) 
<span>10, 15, 17, 19, 25 </span>
<span>Min: 10 </span>
<span>Median: 17 </span>
<span>Max: 25 </span>

<span>lower Quartile: (10+15)/2 = 12.5 </span>
<span>upper Quartile: (19+25)/2 = 22 </span>

<span>b) </span>
http://imageshack.us/photo/my-images/22/... 

<span>c) </span>
<span>Mean: (10 + 15 + 17 + 19 + 25)/5 = 17.2 </span>

<span>[ ( 17.2 - 10 )^2 + ( 17.2 - 15 )^2 + ( 17.2 - 17 )^2 + ( 17.2 - 19 )^2 + ( 17.2 - 25 )^2 ] / 5 = 24.16 </span>

<span>√( 24.16 ) ≈ 4.92 </span>
<span>-------------- </span>
<span>4) </span>

<span>[ 4. . .-2 . . . -12 ------> 3R1 - 4R2 ----> R2 </span>
<span>3. . .-1 . . . -3 ] </span>

<span>[ 4. . .-2 . . . -12 ------> R1 - R2 ----> R1 </span>
<span>0. . .-2 . . . -24 ] </span>

<span>[ 4. . ..0 . . . .12 ------> R1/4 ----> R1 </span>
<span>0. . .-2 . . . -24 ] R2/-2 ----> R2 </span>

<span>[ 1. . ..0 . . . .3 </span>
<span>0. . .1 . . . 12 ] </span>

<span>x = 3 & y = 12 

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
</span>
6 0
3 years ago
Change 225° to radian measure in terms of pi​
a_sh-v [17]

Answer:

\frac{5\pi }{4}

Step-by-step explanation:

To convert from degree to radian measure

radian measure = degree measure × \frac{\pi }{180}

Hence

radian measure = 225 × \frac{\pi }{180} = \frac{225\pi }{180} = \frac{5\pi }{4}

5 0
3 years ago
10 - 3*3 / 9 = ?<br><br> * = to the power of<br><br> / = divided by
Neporo4naja [7]

Answer:

7

Step-by-step explanation:

you need to use PEMDAS

3 x 3 x 3 = 27 divided by 9 is 3 and 10-3=7

6 0
3 years ago
Tessa has $42 to spend at the county fair. Her admission
Semenov [28]

Answer

g is less than or equal to 34.50

Step-by-step explanation:

$42-$7.50=$34.50

7 0
3 years ago
What is £42 increased by 10%
lara [203]
42+42 \cdot 10\%=42+42 \cdot 0.1=\underline{\underline{\pounds 46.2}}
3 0
3 years ago
Read 2 more answers
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