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Musya8 [376]
3 years ago
7

Can I get some help please​

Mathematics
2 answers:
lys-0071 [83]3 years ago
7 0

Answer:

C

Step-by-step explanation:

C is the right answer that you're looking for because the hundredth value in this number is 3 in 345 and the closest hundredth there is 300 so the number closest to hundredths is 2,684,300

Ghella [55]3 years ago
5 0

Answer: Its way #3

Step-by-step explanation:

2,684,345. The hundreds spot is the 3rd from the right. So 300 is the hundred. You'd round the 45 down because 45 is less than 50.

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15 men can dig a trench of 90 m long in
jeyben [28]

Answer:

1.5 hours= 1hour and 30 minutes

Step-by-step explanation:

90÷15=6

6÷2=3

48÷16=3

3÷2=1.5

5 0
3 years ago
Read 2 more answers
What does it mean to determine the two positive integers that each value is between??? I'm confused ​
KIM [24]

Answer:

  11. {7, 8}

  12. {8, 9}

  13. {8, 9}

  14. {4, 5}

Step-by-step explanation:

You want consecutive integers that bracket each of the given irrational roots.

<h3>Square roots</h3>

A square root of an integer will be rational only if the integer is a perfect square. The first few perfect squares are ...

  • 1² = 1
  • 2² = 4
  • 3² = 9
  • 4² = 16
  • 5² = 25
  • 6² = 36
  • 7² = 49
  • 8² = 64
  • 9² = 81

You know these because you know your multiplication tables.

The square root of a number between these perfect squares will lie between the roots of the squares.

<h3>11. √50</h3>

50 lies between the squares 49 = 7² and 64 = 8². That means √50 lies between 7 and 8.

Your calculator tells you that √50 ≈ 7.0710678, which is a number that lies between the integers 7 and 8.

<h3>12. √72</h3>

72 lies between the squares 64 = 8² and 81 = 9². That means √72 lies between 8 and 9.

<h3>13. √65</h3>

65 lies between the squares 64 = 8² and 91 = 9². That means √65 lies between 8 and 9.

<h3>14. √23</h3>

23 lies between the squares 16 = 4² and 25 = 5². That means √23 lies between 4 and 5.

__

<em>Additional comment</em>

The purpose of questions like this appears to be to have you make use of your knowledge of integer perfect squares to guess an approximation of a square root.

A calculator can answer these questions immediately. Of course the two consecutive integers are the integer part of the root, and the next higher integer.

The question is not well-posed. The answer to "integers each value is between" could be 1 < √50 < 50. For integers greater than 1, the square root is always smaller than the integer being rooted. We've seen questions like this enough times that we can guess the intention is for you to identify <em>consecutive</em> integers.

<em>Extra credit</em>

Knowing the integer part of the root and the difference between the number and its next lower perfect square, you can approximate the root as follows:

For integer n = a² +b, the root √n lies between a +b/(2a+1) and a +b/(2a).

For example, 65 = 8²+1, so √65 lies between 8 1/17 and 8 1/16.

7 0
1 year ago
What is the slope of the line?<br> y+1=3(x-4)y+1=3(x−4)
sergeinik [125]

Answer:

3

Step-by-step explanation:

y+1=3(x+4)

it is of the form

y-y1=m(x-x1)

where m is the slope

so slope=3

3 0
3 years ago
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(6,-5) is a point on the terminal side of 0. Find the exact values of cos0, csc0, and tan0.
Dmitrij [34]

point (6, -5) => x = 6, y = -5

r =√6² +(-5)² = √(36+25)=√61

the exact value of :

cos 0 = x/r = 6/√61 = 6/61 √61

csc 0 = r/y = √61/(-5) = -1/5 √61

tan 0 = y/x = -5/6

4 0
2 years ago
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Last question of the day what is the reciprocal of 9 2/3
allsm [11]

The reciprocal of 9 2/3 is 3/29

8 0
3 years ago
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