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saul85 [17]
2 years ago
12

All of the following are rational except Sqrt 0.49 Sqrt 19 Sqrt 900 Sqrt 100

Mathematics
2 answers:
klasskru [66]2 years ago
4 0
0.49 is the correct answer
Anna71 [15]2 years ago
3 0

Answer:

0.49

Step-by-step explanation:

for it to be rational there should not be no decimal nor pi .

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If C={-10,-9,-8,-7,-6,-5} and D={-6,-5,-4,-3,-3,-1} what is CnD
nalin [4]

Answer:

-123 and 203 130 31804

Step-by-step explanation:

Apex idk

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3 years ago
Lynomials and Linear Factors
kodGreya [7K]

Answer:

y = x³ + 2x² - 13x + 10

Step-by-step explanation:

Given

y = (x + 5)(x - 1)(x - 2) ← expand (x - 1)(x - 2)

  = (x + 5)(x² - 2x - x + 2)

  = (x + 5)(x² - 3x + 2)

Multiply each term in the second factor by each term in the first factor

= x(x² - 3x + 2) + 5(x² - 3x + 2) ← distribute both parenthesis

= x³ - 3x² + 2x + 5x² - 15x + 10 ← collect like terms

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4 0
2 years ago
A number cube is rolled 25 times and lands on 2 five times. What is the experimental probability of landing on 2?
olga nikolaevna [1]

Answer:

5/25, 1/5, or 20%

Step-by-step explanation:

Based on the experiment the dice lands on 2 five times, giving you the experimental probability

5 0
1 year ago
Justin is ordering an ice cream dessert. He must order a size, a flavor of ice cream, and a topping. There are 2 sizes, 2 flavor
Soloha48 [4]

Answer:

8

Step-by-step explanation:

because thats the answer

3 0
3 years ago
Ron finds 9 books at a bookstore that he would like to buy, but he can afford only 5 of them. In how many ways can he make his s
pashok25 [27]

Answer:

15,120 for the first question. 1,680 if one of the books is a must

Step-by-step explanation:

When Ron chooses his first book, he has 9 options. After that, when he chooses his second book, he only has 8 choices because he already picked one of them. By his third choice, he only has 7 choices and so on.

We can make an equation to represent this,

9 x 8 x 7 x 6 x 5

Multiplying all of that out gets you 15,120.

The second problem is even easier. Since one of the books is already chosen for him, he starts off only having 8 options. Since he is only choosing four books this time, we are only multiplying four numbers.

8 x 7 x 6 x 5

Multiplying all of that out tells you there are 1,680 ways he can make his selection in the second scenario.

5 0
3 years ago
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