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S_A_V [24]
3 years ago
7

Carbon -14 decays exponentially according to the model A= Aoe ^-0.00012t where t is measured in years.

Mathematics
2 answers:
olga2289 [7]3 years ago
6 0

Answer:

After 80 years, 693.312 g should remain.

It should take 9837.019 years for there to be 215 grams.

Step-by-step explanation:

Phoenix [80]3 years ago
3 0

Answer:

Dont answer my questions if ur not gonna answer right

Step-by-step explanation:

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Please help me with this math problem!! Will give brainliest!! :)
aleksandrvk [35]

Answer:

-3

Step-by-step explanation:

(fg)(-1) is just f(-1) * g(-1). From the graph on the left, we can see that f(-1) is 1, since (-1,1) is on the graph. From the graph on the tight, we can see that g(-1) is -3, since (-1,-3) is on the graph. Now, we just have to multiply 1 and -3: 1*-3 = -3

8 0
2 years ago
(WILL MARK BRAINLIST)
mezya [45]
I believe the answer is the second one
4 0
3 years ago
Sound travels through sea water at a speed of about 1500 meters per second. At this rate, how far will sound travel in 2 minutes
Mariulka [41]

Answer:

180,000 m

Step-by-step explanation:

There are 60 seconds in a minute, so:

2 min × 60 s/min = 120 s

Distance = rate × time

d = 1500 m/s × 120 s

d = 180,000 m

8 0
4 years ago
46 Two light houses ash their lights every 30 seconds and 40 seconds respectively. Given that they last ashed together at 10:40
IRISSAK [1]
30,60,90,120
40,80,120

they will both " ash " in 120 seconds (thats 2 minutes)...so they will both ash at 
10:42 a.m.
8 0
4 years ago
The expression 7! is equal to which of the following?<br><br> A) 720<br> B)4050<br> C)40320<br> D)7
Ugo [173]
7! = 7*6*5*4*3*2*1 = 5040

None of the above
7 0
4 years ago
Read 2 more answers
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