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Juliette [100K]
2 years ago
13

The number 75 falls netween what two perfect squares?​

Mathematics
2 answers:
Alina [70]2 years ago
7 0

Answer:

8^2 and 9^2 which is also 64 and 61

Step-by-step explanation:

xeze [42]2 years ago
5 0

Answer:

75 is between 64 and 81.

Step-by-step explanation:

The number 75 falls between 64 and 81, which are both perfect squares.

To find out whether a number is a perfect square, we can take the square root of said number. If the answer is a whole number, then the number is a perfect square.

The square root of 64 is 8 and the square root of 81 is 9, so they are both perfect squares. We know that 75 is between the numbers 64 and 81, therefore our answer is correct.

Hope this helps!

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15f) Determine the line of symmetry. y = x2+16x+64
Slav-nsk [51]

Answer:

x=-8

Step-by-step explanation:

the equation is in standard form of y=ax^2+bx+c

so, to find the vertex, or axis of symmetry do -b/2a.

-16/2(1)=

-8

7 0
2 years ago
The following table presents the time taken to review articles that were submitted for publication to a particular journal durin
belka [17]

A) Variance = 10.24

B) Standard Deviation = 3.2

One of the measurements of dispersion is the standard deviation, which is exclusively used for quantitative data. It aids in determining if the data's mean is a suitable measurement to reflect the core value.

TIME         FREQUENCY(f)  MIDPOINT(x)    d    d²     fd              fd²

0 - 0.9         43                          0.45             -3     9     -129            387

1.0 - 1.9         17                           1.45              -2    4     -34                68

2.0 - 2.9       19                            2.45             -1     1       -19               19

3.0 - 3.9        18                            3.45             0     0       0                  0

4.0 - 4.9        14                            4.45              1      1        14               14

5.0 -5.9         16                            5.45              2     4        32             64                            

∑f = 127                                                              

∑fd = -136  

∑fd² = 552

d = \frac{x - 3.45}{1}

Standard Deviation = \sqrt \frac{fd^{2} }{N} - \sqrt \frac{(fd)^{2} }{N} * i

\sqrt \frac{552}{127} -\sqrt (\frac{-136}{127})^{2}   * 1

√4.35 - √1.15

Standard Deviation = 3.2

(SD)² = (3.2)² = 10.24

Variance = 10.24

To know more about standard deviation, refer to this link :

brainly.com/question/12402189

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7 0
1 year ago
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ehidna [41]
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8 0
2 years ago
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What is the gcf of 32 and 48
pentagon [3]
The Greatest Common Factor of 32 and 48 is 16.

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Factors of 32: 1, 2, 4, 8, 16, 32

Factors of 48: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48

The common factors are: 1, 2, 4, 8, 16

Among the common factors, the GCF is 16.
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3 years ago
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5x88x9x7x3x9x10x31x47=
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