ogiebert
27.06.2019 •
Mathematics
How do you solve 5 - 2(6-2x3) / -5(2+2x4)?
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Ответ:
You go in order...
exponents, parenthesis, multiplication/division, addition/subtraction
Ответ:
1/-10
Step-by-step explanation:
Take this step by step first look at the top 5-2(6-2*3) try to simply the parenthesis first just like PEMDAS 6-2*3 first multiply 2*3 =6 then 6-6 is 0 so that does not get rid of it still because now we have 5-2(0) you multiply the 2*0= 0 so now you just have five on the top Now we are done with the top move to the bottomThe Denominator (bottom of fraction) is 5(2+2*4) again PEMDAS and do parenthesis first (2+2*4)= (2+8)= 10 Now it was in parentheses so you have to multiply -5(10) =-50 Last now that you have simplified the numerator and denominator you put them together 5/-50 = 1/-10Ответ:
Find the sum of the data values, and divide the sum by the number of data values.
Find the value of the difference between each data value and the mean. You can do this by subtracting the mean by the data (d-m).
Find the sum of the differences. Divide the sum of the absolute values of the differences by the number of data values.
Hope this helped. Have a great day!