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Genrish500 [490]
3 years ago
15

The equation d=3t represents the relationship between the distance (d) in inches that a snail is from a certain rock and the tim

e (t) in minutes. What does the number 3 represent?
Mathematics
2 answers:
polet [3.4K]3 years ago
8 0
I think speed should be the right answer
cestrela7 [59]3 years ago
6 0

Answer:

Speed

Step-by-step explanation:

To find the distance the formula is d=st. Where d is the distance, s is speed, and t is time. So in the equation, 3 must be the speed of the snail.

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muminat
Reflection across the x-axis (because there is a negative)

And

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PLS HELP HURRY ASP BEST ANSWER GETS BRAINLESST!​
a_sh-v [17]

Answer:

Hi there!

The following answers:

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3 years ago
Americans receive an average of 20 Christmas cards each year. Suppose the number of Christmas cards is normally distributed with
soldier1979 [14.2K]

The distribution of X is X ~ N (20 , 6) and the probability that this American will receive no more than 24 Christmas cards this year is 0.7486.

<h3>Probability</h3>

a. Distribution

X ~ N (20 , 6)

b. P(x ≤24)

= P[(x - μ ) / σ  (24 - 20) / 6]

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Hence:

Probability = 0.7486

c. P(21 < x < 26)

= P[(21 - 26)/ 6) < (x - μ  ) / σ   < (24 - 20) / 6) ]

= P(-0.83 < z < 0.67)

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=  0.74857- 0.2033

= 0.54527

Hence:

Probability =0.54527

d. Using standard normal table ,

P(Z < z) = 66%

P(Z < 0.50) = 0.66

z = 0.50

Using z-score formula,

x = z×  σ +  μ

x = 0.50 × 6 + 20 = 23

23 Christmas cards

Therefore the distribution of X is X ~ N (20 , 6) and the probability that this American will receive no more than 24 Christmas cards this year is 0.7486.

Learn more about probability here:brainly.com/question/24756209

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2 years ago
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3 years ago
Compare the decimals 117.93 and 117.859.
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