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Natasha2012 [34]
3 years ago
7

Solve the inequality x^2 -2x - 8 >0​

Mathematics
1 answer:
kykrilka [37]3 years ago
8 0

Answer:

and here is your answer

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To find 10, Beau found 32 = 9 and 42 = 16. He said that since 10 is between 9 and 16, 10 is between 3
AlexFokin [52]

Given that:

Consider it is \sqrt{10} instead of 10 on two places.

\sqrt{10} is between 3  and 4. So, Beau thinks a good estimate for \sqrt{10} is = 3.5.

Solution:

To find \sqrt{10}, Beau found 3² = 9 and 4² = 16.

He said that since 10 is between 9 and 16.

Since 10 is close to 9, therefore \sqrt{10} must be close to 3. So, Beau's estimate is high.

Now,

(3.1)^2=9.61

(3.2)^2=10.24

Since, 10 lies between 9.61 and 10.24, therefore \sqrt{10} must be lies between 3.1 and 3.2.

\dfrac{3.1+3.2}{2}=3.15

Therefore, the estimated value of \sqrt{10} is 3.15.

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3 years ago
If your teacher tells you to do questions 38 through 51 in your math book for homework, how many questions is that?
Elina [12.6K]

Answer:

It would be 13 questions.

Step-by-step explanation:

If you had to do questions 31 through 51 for homework it would be 13 because...

51 - 38 = 13

8 0
3 years ago
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Please help me with this question.
Brilliant_brown [7]

Answer:

V = 972m^3

Step-by-step explanation:

small  = lwh = 9(2)(6)

large = lwh = 16(9)(6)

V = 9(2)(6) + 16(9)(6)

V = 108 + 864

V = 972m^3

6 0
3 years ago
PLEASE ANSWER!!!! ILL GIVE BRAINLY
irina1246 [14]

Answer:

Answer down below :)

Step-by-step explanation:

The volume of the rectangular prism is:

20 x 9 = 180cm^2

The volume of the triangular prism is

6 x 9 x 1/2 = 27cm^2

I'm sorry, that is all I can do, but the total volume would be 180 + 27 + the cylinder's volume. Have a nice day :)

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2 years ago
Apply Cavalieri's principle to determine which statements are correct.
Ne4ueva [31]

Answer:

Step-by-step explanation:

6 0
2 years ago
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