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Svet_ta [14]
3 years ago
8

PLEASE HELP!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
Svet_ta [14]3 years ago
4 0

Answer:

option c is correct answer ✅

hope it helps u

Mashcka [7]3 years ago
3 0

Answer:

Option C (\sqrt{120})

Step-by-step explanation:

The easiest method is to find the number closest to the square of 11 i.e. 121. From all the options , ignore the square root , just find out the number

nearest to 121 ; we'll come to that 120 is very close to 121. So, \sqrt{120} is the correct answer.

Let's verify all the options.

\sqrt{118}  = 10.8627804912 = 10.86(appx)

\sqrt{115}  = 10.7238052948 = 10.72(appx)

\sqrt{120}  = 10.9544511501 = 10.95(appx)

\sqrt{123}  = 11.0905365064 = 11.09(appx)

After verifying the values of all the options , 10.95 (appx value of \sqrt{120}) is very close to 11.

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Inverse of y equals 12 to the x
e-lub [12.9K]

Answer:

f^{-1}(x) = log_{12}(y)

Step-by-step explanation:

We have the following function

y = 12^x, and we need to find the inverse function.

To find the inverse function we should solve the equation for "x". To do so, first, we need to:

1. Take the logarithm in both sides of the equation:

lg_12 (y) = log _12 (12^x)

(Please read lg_12 as: "Logarithm with base 12")

From property of logarithm, we know that lg (a^b) = b*log(a)

Then:

lg_12 (y) = x*log _12 (12)

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5 0
3 years ago
Elena bought 24 sandwich buns. there were 8 buns in each pack. complete the equation below to show many packs elena bought.
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= 2 - 4
jekas [21]

Answer:

Please find attached the required inverse of a function chart

Step-by-step explanation:

The inverse of a function is found by reversing the operations of the  function

The inverse of the function f(x) = 2·x - 4 is found as follows;

x = 2·x - 4

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x = (x + 4)/2 = x/2 + 2

Therefore, the inverse of the function f(x) = 2·x - 4 is f(x) = x/2 + 2

The inverse function is plotted by generating data points as follows;

{}x         {}          f(x)

0                2

1                  2.5

2                 3

3                  3.5

4                   4

5                   4.5

6                   5

7                   5.5

8                   6

9                   6.5

10                  7

11 {}                   7.5

12{}                    8

13                 8.5

14                  9

15                  9.5

16               10

5 0
4 years ago
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