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Darina [25.2K]
2 years ago
7

Which statement about rational and irrational numbers is always true?

Mathematics
1 answer:
DIA [1.3K]2 years ago
5 0

Answer:

D.Any irrational number added to any irrational number is equal to a rational number.

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Suppose that past history shows that 60% of college students prefer brand c cola. a sample of 5 students is to be selected. base
creativ13 [48]
The probability is 0.337.

The probability that more than 3 prefer brand c is the same as finding the probability that 4 or 5 prefer brand c.  Using a binomial distribution,

_5C_4(0.6)^4(0.4)^{5-4}+_5C_5(0.6)^5(0.4)^{5-5}
\\
\\=\frac{5!}{4!1!}(0.6)^4(0.4)^1+\frac{5!}{5!0!}(0.6)^5(0.4)^0
\\
\\=5(0.6)^4(0.4)+1(0.6)^5(1)=0.33696\approx0.337
4 0
2 years ago
Brad took a total of 10 quizzes over the course of 2 weeks. After attending 8 weeks of school this quarter, how many quizzes wil
guajiro [1.7K]

Answer:

40 quizzes

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What is the value of x? need help ASP
adoni [48]

Answer:

x=12

Step-by-step explanation:

(10x-20)+(6x+8)=180

10x+6x=180+20-8

16x=192

x=192/16

x=12 °

8 0
3 years ago
Evaluate the expression 5t + 2m for m = 7 and t = 2.
pantera1 [17]

Answer:

<h3>The answer is 24</h3>

Step-by-step explanation:

5t + 2m

m = 7 t = 2

Substitute the above values into the expression

That's

5(2) + 2(7)

10 + 14

24

Hope this helps you

5 0
3 years ago
Can some please answer these for me!!? ​
aivan3 [116]

Answer:

- Right Angle Triangle – A Right triangle is a triangle in which one angle is a right angle (that is, a 90-degree angle). The relation between the sides and angles of a right triangle is the basis for trigonometry (opposite, hypotenuse, adjacent).

- Obtuse Triangle – An obtuse triangle is a triangle with one obtuse angle (greater than 90°) and two acute angles.

- Acute Triangle – An acute triangle is a triangle with three acute angles (less than 90°).  

12 - Right Angle Triangle

13 - Obtuse Triangle

14 - Acute Triangle

15 - Acute Triangle

16 - Right Angle Triangle

17 - Obtuse Triangle

3 0
3 years ago
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