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jasenka [17]
3 years ago
5

What value(s) of x make the equation x2 - 18x + 81 = 0 true?

Mathematics
2 answers:
Sergeu [11.5K]3 years ago
8 0

Answer:

9

Step-by-step explanation:

mel-nik [20]3 years ago
5 0
We can factorise this to get (x-9)(x-9). To find the value, each bracket needs to equal 0, so the value would be x=9
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Please help needed asap this is due in minutes.
goldenfox [79]
I’m pretty sure the second questions answer is y=3x+2
3 0
3 years ago
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Solve the inequality 5 + 1/x > 16/x
sladkih [1.3K]

Answer:

x  <  0  or     x  >  3

Explanation:

6 0
3 years ago
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the diameter of the circle base of a storage container 18.8 m circumference of the base is approximately 59 m which of these cou
ozzi

Answer:

Estimate the value of pi =3.14

Step-by-step explanation:

The diameter of the circle base of a storage container 18.8m

The diameter of the circle 'd' = 2r

Given data  'd' = 2r = 18.8m

The circumference of the circle = 2πr

Given data of circumference of the circle = 59 m

given        2πr = 59

                2r(π) = 59

                18.8 π = 59 ( by using 2r =18.8)

                  π = 59/18.8

                   π  = 3.13829

                    π  = 3.14

<u>Conclusion</u>:-

Estimate the value of pi =3.14

         

6 0
4 years ago
The directions are with the question. Please answer numbers 6 through 10, please.
prisoha [69]

Answer:

6) 4 (tiny 5) in the upper corner

7) 9 (tiny 2) in the upper corner

8) 4 (tiny 2) in the upper corner

9) 3 (tiny4) in the upper corner

10) 5 (tiny 5) in the upper corner

Step-by-step explanation:

Once you get the hang of it, it's quite easy! Here are the steps for how I figured it out:

1) Figured out what number they are giving me. For the first one, I saw that they gave me the number 4. For the second one, they gave me the number 9 etc.

2) Next, I looked at each problem individually. For the first one, you know that they are giving you the number 4. You would then count the amount of numbers, in this case 4, that you see in the equation.

3) Now knowing the numbers of numbers in the equation, you'd write it in exponential notation. For the first one, they are giving you the number 4, however, they are giving it to you 5 times. Thus, by writing the number 5, smaller than the number 4, you are allowing you and your math teacher to know that you have to take the number 4 and multiply it by itself 5 times.

4) Try doing this for the others too. Trust me, once you get the hang of it, it's pretty simple. Hope this helped!

4 0
3 years ago
HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPP
andrew11 [14]
Ummm not to freak you out but what’s that in the background?
3 0
3 years ago
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