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aivan3 [116]
2 years ago
6

a fair coin is flipped multiple times until it lands on heads if the probability of landing on heads is 50% what is the probabil

ity of first landing on heads on the fourth attempt
Mathematics
1 answer:
jeka57 [31]2 years ago
5 0

Step-by-step explanation:

sorry needed the pointś

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Maggie colors a figure in the shape of a trapezoid.The trapezoid is 6 inches tall.The bases are 4.5 inches and 8 inches.What is
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The answer for this is 37.5. I can't show the work because i searched it up on Google.
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Easy question Give a formula used for finding the area of a square. Then use the formula to find the area of a square with a sid
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A=s^2

A=6.3^2

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A=39.69cm^2

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3 years ago
How many even 3-digit positive integers can be written using the digits 1,2,4,7, and 8?
N76 [4]

Looking at the question, we can see we have 5 different numbers that can go in any order.

<u>5</u> * <u>4</u> * <u>3</u>

The above is basically saying there are 5 different numbers that can be multiplied by 4 other numbers. Those 2 can be multiplied by 3 different ones, leaving us with a 3 digit positive integer.

5 * 4* 3 = 60

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3 years ago
How to find the endpoint when given the midpoint and one of the end points
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You have to go through your x-axis and up or down you y-axis and then determine if the end point are on the right plot form
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2 years ago
A thermometer is removed from a room where the temperature is 70° F and is taken outside, where the air temperature is 40° F. Af
fgiga [73]

Answer:

53.3324

Step-by-step explanation:

given that a  thermometer is removed from a room where the temperature is 70° F and is taken outside, where the air temperature is 40° F.

By Newton law of cooling we have

T(t) = T+(T_0-T)e^{-kt}

where T (t) is temperature at time t,T =surrounding temperature = 40, T0 =70 = initial temperature

After half minute thermometer reads 60° F. Using this we can find k

T(0,5) = 40+(70-40)e^{-k/2} = 60\\e^{-k/2} =2/3\\-k/2 = -0.4055\\k = 0.8110

So equation is

T(t) = 40+(30)e^{-0.8110t}\\

When t=1,

we get

T(1) = 40+(30)e^{-0.8110}\\\\=53.3324

5 0
3 years ago
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