livingfamyboys35
26.07.2020 •
Mathematics
X*2+1=10 then x=? Tell me the value of x
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Ответ:
Step-by-step explanation:
Move constant to R.H.S and change its sign
Subtract the numbers
Divide both sides of the equation by 2
Calculate
Hope this helps..
Best regards!!
Ответ:
Step-by-step explanation:
Function 'f' represents the number of miles (y-values) covered by the helicopter in 'x' (x-values) minutes.
f(x) = 40 - 2x
For x = 0,
f(x) = 40 miles
For f(x) = 0,
0 = 40 - 2x
x = 20 minutes
This shows that helicopter traveled 40 miles in 20 minutes.
Similarly, given graph shows distance covered by the jet on y-axis and duration of flight on x-axis.
For x = 0,
f(x) = 500 miles
For f(x) = 0,
x = 100 minutes
Commercial jet traveled 500 miles in 100 minutes.