The total number of leaves that was collected by Lisa is the product of the number of days in a week and the number of leaves she collected per tree. This is shown below, (7 trees / week) x (7 leaves / 1 tree) = 49 leaves / weekThus, Lisa collected 49 leaves in a week.
I think u will need to add 5ml acid into the solution to get 25% acid
I think the correct answer would be : (-8,3)
I hope this helps !
Answer:
251,576
Step-by-step explanation:
first look at the them thousands place, see that it has a "5" in it, and also look for the "5" in the hundred's place
That number has 5 in both the ten-thousands, and the hundreds place and the rest don't have both.
(Hope that helps explain the brain teaser)
Step-by-step explanation:
A = (1/2)bh ---> h = 2A/b = 2(12 cm^2)/(5 cm) = 4.80 cm
---> x^2 = h^2 + (b/2)^2
= (4.8 cm)^2 + (2.5)^2
= 23.04 cm^2 + 6.25 cm^2
or x = 5.41 cm
Therefore, the perimeter P is
P = 2x + b = 2(5.41 cm) + 5 cm = 15.8 cm