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Yakvenalex [24]

3 years ago

5

For each of the following state whether the given perimeter is possible for a rectangle with an area of 42 Square Units and whol

e number side lengths. if it is possible tell the measurements.
b)46 units
C) 34 units
D) 41 units

1 answer:

givi [52]3 years ago

3 0

My answer is B 46 and thats my answer

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Adam spent $3.42 on orange juice. It costs .12 per ounce. How many did Adam buy?

SIZIF [17.4K]

Hi,

I would say that the answer is 28, but it still doesn't add up because when you multiply 12 by 28 you get $3.36 which isn't enough to meet his total, so I tried multiplying 12 by 29 and I got $3.48, which is six cents over his total. So I'm sorry if it is wrong I tried to help to my best ability.

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A city is located at an elevation that is below sea level. what is a possible elevation for that city?

kvv77 [185]

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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

11 months ago

Simplify the square root of 96

Tamiku [17]

$\sqrt{96} = \sqrt{16 \times 6} = \sqrt{16} \times \sqrt{6} = 4 \sqrt{6}$

Hope that helped :)

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3 years ago

PLZ ANSWER ASAP (EASY)

Anuta_ua [19.1K]

Answer:

-4/8

Step-by-step explanation:

that's what my math says

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3 years ago