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Mashcka [7]
3 years ago
6

Solve the system by the addition method. x + 3y = -2 5x + 2y = - 23

Mathematics
1 answer:
KatRina [158]3 years ago
7 0
What are you solving for? X? Y?
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What is 8/30 30/48 20/24 24/27 and 21/28 in simplist form
Vlada [557]
The simplest forms of all of these fractions are 
1. 4/15
2.15/24
3.5/6
4.24/27
5.3/4
hope this helps you again:b
5 0
3 years ago
Polygon A is a square. Polygon B has 1 more sides than polygon A. What type of polygon is B?
Diano4ka-milaya [45]
The correct answer is A
5 0
3 years ago
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Jake and his cousin adriane live in opposite hemispheres on earth. if it is march 20 (spring equinox) where jake lives, which ti
Lena [83]
The choices listed elsewhere and as follows:
spring equinox
fall equinox
summer equinox
winter solstice
summer solstice

I think the correct answer from the choices listed above is the second option. It would be the fall equinox the time of the year where Adriane lives. Hope this answers the question. Have a nice day. Feel free to ask more question. Thank you.
8 0
3 years ago
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The oil prices for 2014, rounded to the nearest dollar, were: 95, 101, 101, 102, 102, 106, 104, 97, 93, 84, 76, 59. what is the
kipiarov [429]
  • Interquartile Range (IQR) = Q_3-Q_1 , with Q_3 as the upper quartile and Q_1 as the lower quartile.

Firstly, rearrange the data so that it's in ascending order: \{59,76,84,93,95,97,101,101,102,102,104,106\}

Next, find the median:

\{59,76,84,93,95,\boxed{97,101,}101,102,102,104,106\}\\\\\frac{97+101}{2}\\\\\frac{198}{2}\\\\99

Now to find the lower quartile, find the "median" of the data set that's to the left of 99:

\{\overbrace{59,76,84,93,95,97}^{\textsf{to the left of the median}},101,101,102,102,104,106\}\\\\\{\overbrace{59,76,\boxed{84,93}95,97}^{\textsf{to the left of the median}},101,101,102,102,104,106\}\\\\\frac{84+93}{2}\\\\\frac{177}{2}\\\\88.5

Now to find the upper quartile, it's the similar process as finding the lower quartile, except that you are finding the "median" of the data set to the right of 99:

\{59,76,84,93,95,97,\overbrace{101,101,102,102,104,106}^{\textsf{to the right of the median}}\}\\\\\{59,76,84,93,95,97,\overbrace{101,101,\boxed{102,102} 104,106}^{\textsf{to the right of the median}}\}\\\\\frac{102+102}{2}\\\\\frac{204}{2}\\\\102

Now that we have the upper and lower quartile, subtract them:

102-88.5=13.5

<u>In short, the IQR of this data set is 13.5.</u>

8 0
3 years ago
Help me ASAP<br>factorise; a=b-bx<br>10 points to whoever answers this​
Serhud [2]

Answer:

a=-b(x-1)

Step-by-step explanation:

Is it factored, but that question doesn't have too much helpful in it

6 0
3 years ago
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