We know that , In every hour there are two positions in which hands are at right angle. Each of these positions is repeated 11 times in every 12 hours. ∴ In every 12 hours, hands are at right angles 11 + 11 = 22 times and in a day hands are at right angles 22 + 22 = 44 times.
Answer:
B.
Step-by-step explanation:
You have to use the number in the variable to figure out if the number multiplied by 3.5 goes over 20 dollars. The highest you can go without going over 20 dollars is 5 notebooks
Step-by-step explanation:
Its will be the same if hes is trying to keep the ratios the same i think
Answer: Last equation (D)
Step-by-step explanation:
Since they want the perpendicular slope, we must take the negative reciprocal if the slope in the equation given. So the negative reciprocal of -1/3 is 3 so that takes out the first and third equation. Now we have to use point slope which is y - y1= m (x - x1) . Doing this gives us y - 5 = 3(x+2) which is the last equation.
The tickets brought by the Spencer's family
4 adult tickets= 
2 children tickets = 
So that would add to $35+$13 = $48
Now let's calculate the cost for Andrew family
2 adult ticket = 
3 children's ticket = 
1 senior ticket = 
So this will add to

=$43.5
(c)No. The Spencer family has spent more than the Andrew family
P.S. The part a mentioned here is not actually , yet the total cost of tickets are calculated. Hope this helps