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Marina CMI [18]
2 years ago
15

What is

="absmiddle" class="latex-formula">
​
Mathematics
2 answers:
azamat2 years ago
8 0

Answer:

\:  \sqrt{81 }  = 9

Step-by-step explanation:

\sqrt{81 }  =   \sqrt{3 \times 3 \times 3 \times 3}   \\  = 3 \times 3 \\  =9

You have to prime factorise 81 and then you will get <u>9</u> as the answer.

Hoochie [10]2 years ago
8 0

Answer:

9

Step-by-step explanation:

9 x 9 = 81

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Simplify the linear expression by subtracting,
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8 0
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Help meh with this lol
egoroff_w [7]

Answer:

D

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3 0
3 years ago
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The values in the table represent a function.
Hatshy [7]

Given:

The values in the table represent a function.

x          f(x)

-2          1

1            3

4          -2          

-3          0

0           4

To find:

Function notation for the ordered pair given in the first row in the table.

Solution:

We know that, if a point (a,b) is on the function, then f(a)=b.

From the given table, the ordered pair given in the first row is (-2,1). So,

f(-2)=1

Therefore, f(x)=1 when x is -2.

6 0
2 years ago
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Jean drove 64 miles per hour for a total of 448 miles on a trip. She used the equation below to calculate the time, t, it would
Alexandra [31]

Answer:

Step-by-step explanation:

since there is no given formula I'm guessing that's what we want to find?

use the dist. = rate * time   formula for this kind of problem

or  d = r*t     ( this looks like the word  "dirt" to me so I call this the dirt formula partly b/c it's dirt simple, and it's generally about moving across some give dist. of dirt  :P )  

so Jean's rate is 64 MPH

her total distance is 448 miles  

rearrange the  d = rt  formula so that you are solving for the thing you don't know.. yet....   t (time)  for this case

soooo...

d/r = t

plug in number

448 / 64 = t

7 = t  (in hours)

7 0
2 years ago
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