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3 years ago

How would you reduce the square root of 12. Full sentence

Mathematics

2 answers:

Liula [17]3 years ago

5 0

Answer:

3.4

Step-by-step explanation:

I think that you mean "How do you estimate the square root of 12."

1. √12 is between √9 and √16, which are 3 and 4

2. We know that the square root of 12 is between 3 and 4, and we can estimate to the tenth, getting 3.4

Alex787 [66]3 years ago

4 0

The correct answer is 3.4 hope this helps.

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The sum of the first 5 terms of an AP is 30 and the sum of the four term from T6 to T9 (inclusive) is 69. Find the AP

Ainat [17]

Answer: The AP = 1, ⁷/₂, 6, ¹⁷/₂, 11 ..............

Step-by-step explanation:

From the first statement,

S₅ = ⁵/₂(2a + ( n - 1 )d } = 30

5(2a + 4d )d = 60

10a + 20d = 60

reduce to lowest term to easy calculation by dividing through by 10

a + 2d = 6 -----------------------------------1

second statement

sum of the next 4 terms inclusive

T₉ = ⁹/₂(2a + 8d ) = 69

9(2a + 8d ) = 30 + 69

18a + 72d = 99 x 2

18a + 72d = 198

divide through by 18 to reduce to lowest time

a + 4d = 11 ------------------------------------------2

Now solve the two equation simultaneously to find a and d

a + 2d = 6

a + 4d = 11

-2d = -5

d = ⁵/₂.

Now substitute for d to get a

a + 2(⁵/₂) = 6

a + 5 = 6

a = 6 - 5

a = 1.

Therefore the AP = 1 , ⁷/₂ , 6 , ¹⁷/₂ , 11 , ..............

7 0

3 years ago

2. The value of x + x(x*) when x = 2 is: (a) 10, (b) 16, (c) 18, (d) 36, (e) 64

Aleonysh [2.5K]

Answer:

Step-by-step explanation:

2+2(2^2)=2+2(4)=2+8=10

hope it helps :)

6 0

3 years ago

The five members of a band are getting new outfits. Shirts cost $12 each, pants cost $29 each, and boots cost $49 a pair. What i

WINSTONCH [101]

You add all the shirts pants etc together...which is 12+29+49 then you times it by 5 because there are 5 members in the group, this will leave you with the total cost of the bands outfits! you total should be $450 in the end

7 0

3 years ago

Read 2 more answers

In which quadrant is the number –14 – 5i located on the complex plane? I II III IV

Dmitry [639]

Answer:

III

Step-by-step explanation:

- 14 tell you that you should be moving left of (0,0) That makes the answer either in quad 2 or quad 3.

- 5i tells you that you are moving down. That tells you that you are moving down.

You are in quad III. It the question was -14 + 5i, you would be moving left and up. That would put you in quad II.

7 0

3 years ago

Read 2 more answers

Hey can you please help me posted picture of question

iren2701 [21]

The correct answer is option A

( 2 - 8i ) + ( 5 - i )

Real part is added in real part and the complex part is added in complex part

= 2 +5 - 8i - i

= 7 - 9i

So, the answer is 7 - 9i

7 0

3 years ago