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3 years ago

12. Classify the following number. (Select all that apply)

Mathematics

1 answer:

prisoha [69]3 years ago

7 0

Answer:

rational is the answer....

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What is the equation in slope intercept form of s like that passes through the points (3,2) and (-5,-8)

noname [10]

The slope of the line = (2- -8) / (3 - - 5) = 10 / 8

= 5/4

y - y1 = m(x - x1) where m = slope and (x1, y1) is a point on the line so here we have:-

y - 2 = 5/4(x - 3)

y = 5/4x - 15/4 + 2

y = 5/4 x - 7/4 is the answer

7 0

4 years ago

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A fair six-sided die, with sides numbered 1 through 6, will be rolled a total of 15 times. Let x¯1 represent the average of the

Anna35 [415]

Answer:

option B

Step-by-step explanation:

$P(x =x) [{\frac{1}{6} ;x =1,2,3...6]$

$E (x) = \frac{6+1}{2} =\frac{7}{2} =3.5\\\\E(x)=3.5$

Given random experiment of tossing of 6 sided dice is follow above distribution

Therefore, suppose x₁, x₂ ...x₁₀ are 10 independent and indentical random variable which represent first 10 rolls

Average of first 10 rows equals

$\bar x_1 =\frac{ \sum ^{10}_{i=1}xi}{10}$

$E(\bar x_1)=\frac{ \sum ^{10}_{i=1}E(x_1)}{10} \\\\=\frac{10(3.5)}{10} \\\\=3.5\\\\E(\bar x_1) = 3.5----(1)$

now suppose ,

x₁₁,x₁₂, ...x₁₅ are 5 independent and identical random variable which represent last 5 roll

average of last 5 roll is

$E(\bar x_2)= \frac{ \sum ^{5}_{i=1}xi}{5} \\\\= \frac{5 \times(3.5)}{5} \\\\=3.5$

Therefore, $\bar x_1 - \bar x_2$

3.5 - 3.5 = 0

5 0

3 years ago

Find the vertical asymptote(s) of f of x equals quantity 3 x squared plus 3x plus 6 end quantity over quantity x squared minus 2

Salsk061 [2.6K]

Answer:

a i think give me brainliest. good day.

Step-by-step explanation:

7 0

3 years ago

Wilma earns $9 per hour at her job. Then she spent $15 on a birthday gift for her best friend. Write an expression to represent

frozen [14]

Answer:

Wilma has $12.

Step-by-step explanation:

Since we don't know how many hours she worked, we know that Wilma earned 9x dollars at her job. Then she spends $15, so we can just subtract 15 from 9x.

$9x-15$

We can just replace the x with 3 to get:

$27-15\\12$

Hence, Wilma has $12.

3 0

3 years ago

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Please help <br> I know this is easy but i need help its geometry ?

HACTEHA [7]

Its A. I hope this helps!

6 0

3 years ago