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aalyn [17]
3 years ago
13

Please help me i seriously have no idea what im doing

Mathematics
1 answer:
Karolina [17]3 years ago
5 0

Answer:

When time watching TV increases the grade decreases

Step-by-step explanation:

U just gotta look at the graph and find the relationship

I hope that this helps you out...

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Product FIFO LIFO
Julli [10]

Answer:

The null hypo would be the difference is greater than 0

so the alternate hypothesis would be less than or equal to 0

H1: µd ≤ 0

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3 years ago
A die is rolled two separate times. What is the probability that the first roll
Masteriza [31]
1/6 times 1/2 is D. 1/12
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3 years ago
Liling is a salesperson at a computer store she recurves a base salary of $2,300 per month and she receives a commission of 3% o
Harman [31]

Answer:

  • $3948

Step-by-step explanation:

<u>Total earning:</u>

  • Salary + commission + extended warrant fee
  • 2300 + 0.03*44000 + 41*8 =
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8 0
3 years ago
3 years ago jolene bought 750 worth of stock worth the value has been increasing at an rate of 12/35% how much is te stock now
Artemon [7]
About 300 in stock stil
6 0
3 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
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