For a triangle the area is given as:

Re-arrange / solve for 'h':

Substitute known values:

Compute:

Answer:
15
Step-by-step explanation:
half of 30 is 15
he used all the numbers upto 30 once
all the numbers in between arent integers but decimals
<span>The second is: You need to arrange nine of your. ... The second is: You need to arrange nine ofyour favorite books along a small shelf. Applying the fundamental of counting principle, How many different ways can you arrange the books, assuming that the order of the books makes a difference to you.</span><span>
</span>
Answer:
t = 4 x 12
Step-by-step explanation:
t = total # of marbles
Equation: t = 4 x 12
=48
-10p+8=7p+12
8=17p+12
-4=17p
-4.25=p