Question

Identify the correct break up for 12.78.
a) 12 + .7 + .8 + .0
b) 10 + 2 + 7/10 + 0/1000
c) 10 + 2 + 7/10 + 8/100
d) 12 + 0.7 + 0.800​

Answer 1

Answer:

Step-by-step explanation: x  

2

+7x+10=0

x=  

2(1)

−7±  

(7)  

2

−(4)(1)(10)

​

 

​

 

x=  

2

−7±  

49−40

​

 

​

 

x=  

2

−7±  

9

​

 

​

 

x=  

2

−7±3

​

 

x=  

2

−7+3

​

 and x=  

2

−7−3

​

 

So, the answer comes out to be, x=−2 and x=−5

Answer 2

x=2,x=5 it is your answer