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aalyn [17]
3 years ago
13

Suppose you roll two fair, six-sided dice and record the sum of the numbers that appears on top. What is the probability that yo

u roll an 4
Mathematics
1 answer:
vovangra [49]3 years ago
3 0

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

Answer: 1/3 chance

Explanation:  If you have a 1/6 chance of rolling a four, and then you role two die, you now have two 1/6 chances, meaning you have 1/6 + 1/6, AKA, 1/3 chance

I hope this helped!

<!> Brainliest is appreciated! <!>

- Zack Slocum

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

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Daniel wanted to know his approximate score on the final exam for his mathematics class. His professor hinted that his score was
hammer [34]

Answer:   The raw score for Daniel's exam grade is 101.69.

Step-by-step explanation:

For x be any random variable.

Formula for z-score :

z=\dfrac{x-\mu}{\sigma} , where \mu = population mean

\sigma = population standard deviation.

Let x be the raw score for Daniel's exam grade.

As per given , we have

\mu=90 , \sigma=7 and z= 1.67 , put these values in the above formula , we get

1.67=\dfrac{x-90}{7}\\\\\Rightarrow\ x-90=7(1.67)=11.69\\\\\Righarrow\ x=11.69+90=101.69

Hence, the raw score for Daniel's exam grade is 101.69.

8 0
3 years ago
12. Algebra Two similar figures are similar based on
algol [13]

Answer:

  • a = ± 2

Step-by-step explanation:

Let the scale factor is k.

<u>Then the transformation is:</u>

  • (x, y) → (kx, ky)

<u>We have:</u>

  • (x, y) → (12x, 3a²y)

<u>The scale factor is k = 12, find the value of a:</u>

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8 0
3 years ago
Jerome use three 1/4 gallons of gasoline while driving from school to his baseball game if he originally had seven gallons in hi
denis-greek [22]

Answer: 3 3/4

Step-by-step explanation:

From the question, we are informed that Jerome use 3 1/4 gallons of gasoline while driving from school to his baseball game.

Assuming that he originally had 7 gallons in his car, the amount of gasoline he have left will be:

= 7 - 3 1/4

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8 0
3 years ago
What is the answer to -24-1/8p=3/8p?
IrinaVladis [17]
The answer is -48 because there is a 4/8 difference and that equals -24. Multiply by 2 and you have your answer.
3 0
3 years ago
Given f(x) = x + 9 and g(x) = x2 find (gºf)(x).
marissa [1.9K]

Answer:

g(f(x)) = (x + 9)^2 or x^2 + 18x + 81

Step-by-step explanation:

(gºf)(x) is the "c .... " of two functions f(x) and g(x):  f(x) is the input to g(x).

We start with g(x):  g(x) = x^2.  We replace the first x with f(x) and the second x with x + 9:

g(f(x)) = (x + 9)^2 or x^2 + 18x + 81

8 0
4 years ago
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