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Rom4ik [11]
3 years ago
10

Algebra 1 system of equations -10x − 7y = -12x = 4

Mathematics
2 answers:
leonid [27]3 years ago
7 0

=  >  \:  - 10x - 7y =  - 12 \\  =  >  \:  - 10(4) - 7y =  - 12 \\  =  >  \:  - 40 - 7y =  - 12 \\  =  >  \:  - 7y =  - 12 + 40 \\  =  >  \:  - 7y = 28 \\  =  > y =   -  \frac{28}{7}  \\  =  >  \: y =  - 4
Hope this helps!
ira [324]3 years ago
5 0

I'm not sure about this but this is what I got

X= -2/11, 7/22

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Can anyone help me? Brainlist if right! Thx :)
tamaranim1 [39]

Answer:

odd: 4/7

not 3: 6/7

4 or 5:  2/7

spinner spun 2: there both 1/7 i think im

only in 7th grade ;-;

Step-by-step explanation: well there are 7 spaces so the probabilty

of it landing on an odd space on the wheel is how many odd numbers there are over 7 . and there is only 1 three so the chance that it will not land on 3 is 6/7.  there is a 2/7 chance it will land on 4 or 5. and im not to sure abt the last one but like i said im  only in the 7th grade i am taking p classes tho so the rest should be right. :D        

4 0
3 years ago
Which one is true about the diagram?
In-s [12.5K]
It could be all it could be one but the true answer is I’m not sure which one
8 0
3 years ago
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Orlov [11]
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7 0
3 years ago
Read 2 more answers
What’s the class width
aksik [14]

Answer:

4

Step-by-step explanation:

Class width is said to be the difference between the upper class limit and the lower class limit consecutive classes of a grouped data. To calculate class width, this formula can be used:

CW = UCL - LCL

Where,

CW= Class width

UCL= Upper class limit

LCL= Lower class limit

From the table above:

For class 1, CW = 64 - 60 = 4

For class 2, CW = 69 - 65 = 4

For class 3, CW = 74 - 70 = 4

For class 4, CW = 79 - 75 = 4

For class 5, CW = 84 - 80 = 4

Therefore, the class width of the grouped data = 4

6 0
3 years ago
The following sequence is an arithmetic sequence. You are not shown very many terms of this sequence, but you are shown enough t
Olegator [25]
12

since the difference of the first and third value is ten, each value is five more than the previous value
7 0
3 years ago
Read 2 more answers
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