BEEFYTACO
29.07.2020 •
Mathematics
Find the solutions to the equation below.
Check all that apply.
30X - 28x + 6 = 0
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Ответ:
●✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎❀✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎●
Hi my lil bunny!
❧⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯☙
Lets do this step by step.
Use the quadratic formula to find the solutions.
Substitute the values and into the quadratic formula and solve for
Simplify.
__________
Simplify the numerator.
____________
Raise to the power of 2.
Multiply 30 by 6.
Multiply -4 by 180.
Subtract 720 from 784.
Rewrite 64 as 8^2.
Pull terms out from under the radical, assuming positive real numbers.
Multiply 2 by 30.
Simplify
The final answer is the combination of both solutions.
❧⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯☙
●✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎❀✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎●
Hope this helped you.
Could you maybe give brainliest..?
❀*May*❀
Ответ:
A)
B) 0.50
C) y=15
Step-by-step explanation:
Let x be the number of miles traveled by car.
Then according to the problem the function is linear function (y=mx+c )as the rate of change is constant i.e. m= $0.50 per mile, the cost function (y in dollars) is given by
The graph of this equation will form a straight line .
The slope of the line is the rate of change of the function i.e. $0.50 per mile .
Hence, the slope (m)= 0.50
The y intercept occurs when x=0, so put x=0 in the equation we get y=15