To find f(-20), first figure out which piece x = -20 fits with.
Since -20 < -12, x = -20 first in the domain used by the third piece.
For f(-20), treat this function as if it was just f(x) = 3x-7.
f(-20) = 3(-20) -7
= -60 - 7
= -67
Answer:
Yes, 4 18/12 is equal to 5 6/12.
Step-by-step explanation:
Given that
4 18/12 = 5 6/12
11/2 = 11/2
Yes both are equal.
Answer: Early in the race, Alberto runs faster. He maintains a speed of 20 km/h, as Bianca running speed ??increases??. The first person to cross the finish line is Bianca.
Step-by-step explanation:
Answer:
$74.40 cents
Step-by-step explanation:
Given the following question:
20% of 62
In order to find the answer, we use the formula to calculate percentage, then we add that answer onto the bill.



<u>Now add:</u>


Which means in total after a 20% tip the Smiley family paid "$74.40 cents" for their meal.
Hope this helps.