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3 years ago

5

I WILL GIVE BRAINLIEST THX SO MuCH Yalll

1 answer:

olchik [2.2K]3 years ago

3 0

Answer:

1/100

Step-by-step explanation:

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Which integer is the smallest? A. -84 B. -4 OC. 34 OD. 24 Advanced Placement, AP AP Central", College Board", and SAT are tradem

kipiarov [429]

Answer: B -4

Step-by-step explanation: I think it is B because -4 is smaller than A,C and D.

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2 years ago

50 people sponsor paula and she raises a total of £180 for charity. what is the mean average amount sponsored

mylen [45]

The mean is the average so 180/50 = 3.6 therefor the mean of each donation from each sponsor is £3.60

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3 years ago

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IB/AP Mathematice: Logorithms

Anuta_ua [19.1K]

1. 5^2 = 25
2. 2^6 = 64
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8 0

3 years ago

Situation:A researcher in North America discoversa fossile that contains 65% of its originalamount of C-14..-ktN=NoeNo inital am

zheka24 [161]

SOLUTION

We have been given the equation of the decay as

$\begin{gathered} N=N_0e^{-kt} \\ where\text{ } \\ N_0=initial\text{ amount of C-14 at time t} \\ N=amount\text{ of C-14 at time t = 65\% of N}_0=0.65N_0 \\ k=0.0001 \\ t=time\text{ in years = ?} \end{gathered}$

So we are looking for the time

Plugging the values into the equation, we have

$\begin{gathered} N=N_0e^{-kt} \\ 0.65N_0=N_0e^{-0.0001t} \\ e^{-0.0001t}=\frac{0.65N_0}{N_0} \\ e^{-0.0001t}=0.65 \end{gathered}$

Taking Ln of both sides, we have

$\begin{gathered} ln(e^{-0.000t})=ln(0.65) \\ -0.0001t=ln(0.65) \\ t=\frac{ln(0.65)}{-0.0001} \\ t=4307.82916 \end{gathered}$

Hence the answer is 4308 to the nearest year

8 0

1 year ago

Find the missing angle

eimsori [14]

Answer:

50 degrees

Step-by-step explanation:

Right Angle= 90 degrees

90-40=50

8 0

3 years ago