salt water is flowing into an aquarium that contains pure water. The concentration of salt in the aquarium, (c), in grams per 1 liter (g/l) at time (t) in minutes is given by the formula C = 6t/40+t. When does the concentration in the aquarium reach 3.5g/l

24

step-by-step explanation:

i assuming that 2 sides are 6 the other 2 sides are 4 cm so 6 times 4 is 24 : )

10

step-by-step explanation:

question 1 is 8, question 2 is 9, question 3 is 24

step-by-step explanation:

now, the numbers they give you at the top are the key. from there, you just have to plug and chug! let's try 1, 2, and 3!

key: a=3, b=5, c=6

1. a+5

remember, a=3, so we plug that in to get 3+5=8

2. 15-c

c=6, so we plug that in to get 15-6=9

3. 4b

b=6, so we plug it in to get 4*6=24

time to try the rest on your own! if you put the answers below in a comment, i'll check them for you!

central angle of a triangle has the same measure as its intercepted arc.

step-by-step explanation: