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vitfil [10]
3 years ago
8

DO NOT GIVE ME ANY PDFS IF YOU DO I WILL REPORT YOU IF YOU ANSWER CORRECTLY I WILL GIVE YOU BRAINLIEST

Mathematics
1 answer:
OverLord2011 [107]3 years ago
7 0

Answer:

well babie's only are born with hair is rare cause useally ther are born bald but yes some are born with hair but that could mean a disease or somthing else but thats a maybe so thats just means disease could cause it or its natural and thats all hope this help's

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What is the volume of this shape?
jenyasd209 [6]
Answer:
600 ft cubed
Step-by-step explanation:
Triangle volume formula V = 1/2(l*w*h)
1/2(4*12*9) = 216 ft cubed

Formula for rectangular prism V = (l*w*h)
(4*16*6) = 384 ft cubed

Adding the values: 600 ft
6 0
2 years ago
A fossilized leaf contains 18% of its normal amount of carbon 14. How old is the fossil (to the nearest year)? Use 5600 years as
Sati [7]

Answer: The age of the fossilized leaf is 13829 years.

Step-by-step explanation:

Expression for rate law for first order kinetics is given by:

t=\frac{2.303}{k}\log\frac{a}{a-x}

where,

k = rate constant  

t = age of sample

a = let initial amount of the reactant = 100

a - x = amount left after decay process = \frac{18}{100}\times 100=18  

a) for completion of half life:  

Half life is the amount of time taken by a radioactive material to decay to half of its original value.

t_{\frac{1}{2}}=\frac{0.693}{k}

k=\frac{0.693}{5600years}=0.00012years^{-1}

b) for finding the age

t=\frac{2.303}{0.00012}\log\frac{100}{18}  

t=13829years

The age of the fossilized leaf is 13829 years.

7 0
3 years ago
2x+y=10<br> Y=5x-11<br> Solve the system of equations by substitution
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The answer would be (3,4)
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