C. -7
Solve for n by simplifying both sides of the equation, then isolating the variable.
Hello!
Let's write this as an equation below.
310/3+d=295/d
As you can see, we can cross-multiply this proportion giving us the equation below.
310d=295(3+d)
310d= 295d+885
Now, we subtract 295d from both sides.
15d=885
Now we divide both sides of the equation by 15.
d=59
Therefore, Dana travels 59 mph.
I hope this helps!
Answer:
21
Step-by-step explanation:
Because...
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Calculation of the SSS triangle 9 12 15 - Triangle calculator
https://www.triangle-calculator.com/?a=9&b=12&c=15
Now we know the lengths of all three sides of the triangle and the triangle is uniquely determined. Next we calculate another its characteristics - same procedure as calculation of the triangle from the known
