Answer:
Try to use your calculator and just substitute values
Step-by-step explanation:
4x + 8 = 2x + 7 + 2x - 20
4x + 8 = 4x - 13
8 = -13
no solution.
hope that helps, God bless!
Answer:
28. the second and third one
29. 687.50 dollars
Step-by-step explanation:
2.49(2) + 1.79(2) + 0.89(4) = 12.12 no
2.49(3) + 1.79(2) = 11.05 yes
2.49(2) + 1.79(3) + 0.89 = 11.24 yes
2.49(4) + 1.79 + 0.89 = 12.64 no
area = length times width
a = 6.25 times 5
a = 31.25 square feet
31.25(22) = 687.50
Answer:
a) 
b) 
Step-by-step explanation:
a) We have to simplify the below expression in standard form.
The expression is 
Now,
= 
= 
{Since 
}
= 
= (Answer)
b) We have to simplify the below expression in standard form.
The expression is 
Now,
= 
= 
{Since 
}
= (Answer)
