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Tasya [4]
3 years ago
7

Solve 32 x 74 = ? + 23 - 72

Mathematics
2 answers:
alekssr [168]3 years ago
7 0
32 x 74 = 2368
23 - 72 = -49
2368 + 49 = 2417
2417 = ?

luda_lava [24]3 years ago
4 0
32 x 74 = 2368
23 - 72 = -49
2368 + 49 = 2417
2417 = ?  I hope this helps.  Also :D   :D   Bruh
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lukranit [14]

Answer:

y = -3x-1 or 3x + y = -1

Step-by-step explanation:

6x + 3y - 11 = 0 can be written as y = -3x + (11/3)

In parallel lines the slope remains the same but the constant changes. To find the constant you place in the cordinates for x and y.

5 = -3(-2) + b

5 = 6 + b

5 - 6 = b

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Now you replace (11/3) by the new b, -1

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4 0
3 years ago
Suppose you have an experiment where you flip a coin three times. You then count the number of heads. a.) State the random varia
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Answer:

The answer to each point is below

Step-by-step explanation:

We will solve point by point:

a)  We have to:

Random variable X = number of heads

Let, H => heads, T => tails

b) We have that the combinations are

TTT, TTH, THT, THH, HTT, HTH, HHT, HHH

Number of Heads (X)  0     1      2     3

Probability (P)             1/8   3/8  3/8   1/8

c) attached the histogram.

d)  We have the following:

Mean = E (X) = 0 * 1/8 + 1 * 3/8 + 2 * 3/8 + 3 * 1/8

m = 1.5

The mean is 1.5

e) E (X ^ 2) = 0 * 1/8 + 12 * 3/8 + 22 * 3/8 + 32 * 1/8 = 3

Variance = E (X ^ 2) - (E (X)) ^ 2

Var = 3 - (1.5) ^ 2

Var = 0.75

The variance is 0.75

f) standard deviation = (Var) ^ (1/2) = (0.75) ^ (1/2) = 0.866

sd = 0.866

the standard deviation is 0.866

g) P (2 or more heads) = 3/8 + 1/8 = 0.5

The probability is 50%

h)  P (two heads) = 3/8 = 0.375

It is likely that out of 8 times of 3 flips, 3 times we can observe two heads out of 3, therefore it is not unusual.

6 0
3 years ago
I need help asap thxss​
s2008m [1.1K]

Answer: the first choice

4 0
3 years ago
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fredd [130]

Answer:  a. statistic

Step-by-step explanation:

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  • Sample : It is finite subset of population that represents the population in  the researcher's analysis.
  • Population parameter : It is a value that is calculated from the entire population such as population mean , population proportion etc.
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Since ,The group of people who took poll are representing the sample.

Therefore, 92% of those polled said that a year from now their family financial situation will be as good as it is today or better that means 92% describes a statistics.

Thus , the correct answer is a. statistic

7 0
3 years ago
Olivia spent $18.00 of the $21.00 from
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Answer:

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Step-by-step explanation:

18/21 dollars is simplified when you divide the fraction by 3 on each number. So you get 6/7 of her money was spent.

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3 years ago
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