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Alex Ar [27]
2 years ago
15

4x^2 -1= 6x Use the quadratic formula

Mathematics
2 answers:
yanalaym [24]2 years ago
7 0
2.  x =(6+√20)/-8=3/-4-1/4√ 5 = -1.309
AnnyKZ [126]2 years ago
3 0
And the final answer would be x=3+13(13 under the radical)/4

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How do I find the diameter and circumference when given the area?
JulijaS [17]

Hello from MrBillDoesMath!

Answer:

Diameter = 2r = 2 (sqrt(24/Pi))

Circumference =  4 sqrt(6Pi)


Discussion:

Given:

     Area  of circle =  Pi r^2

               24 = Pi r^2        =>  (as Pi r^2 is the formula for area of a circle)

               24/Pi = r^2       =>  ( now take the square root of both sides)

               r= sqrt(24/Pi)


Diameter = 2r = 2 (sqrt(24/Pi))

Circumference = 2 PI r = 2Pi (sqrt(24/Pi))

                                       = 2Pi (sqrt(24)/sqrt(Pi) )

                                       = 2Pi (2sqrt(6)/sqrt(Pi) )

                                       =  4 (pi/ sqrt(Pi) ) sqrt(6)

                                       = 4 sqrt(Pi) sqrt(6)

                                       = 4 sqrt(6Pi)


Thank you,

MrB

6 0
3 years ago
Pls help I’ll brainlest and add extra points solve it like 7 and 9<br> Just do 1,3,5
alexdok [17]

Answer:

Step-by-step explanation:

8 0
3 years ago
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Whats 24×5. (20pts)​
Fantom [35]

Answer:

120

Step-by-step explanation:

3 0
3 years ago
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Find the perimeter.<br> Perimeter = [?]<br> Simplify your answer completely.
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The answer would be 119 and 4/7
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2 years ago
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Plssss help i’m timed 6th grade math
WINSTONCH [101]

Answer:

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Step-by-step explanation:

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3 years ago
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