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x = 1/6 (6+sqrt(66))  AND  x = 1/6 (6-sqrt(66))

what is the circumference of a circle with a radius of 4

Diameter=radius X 2

Diameter=4 X 2=8

Cicunference/Diameter=Pi

Cirunference= 8 X Pi=8 X 3.14159265358

Circumference=25.1327412287.........etc.

Here is another: 18 + 8 +2 X (5 -4) -3

                          ( 28 X 1) - 3=25

100,000,000,000,000,000

648

Probably many ways, here's one way where I use all numbers only once:

5 x (18 + 2 - 8 + -4 - 3) = 5 x 5 = 25

648

what is scientific notation=1,000,000 instead of writing lots of zeros, we have a shorthand for one million and it's written like this: 1 X 10^6, which means 1 followed by 6 zeros. Got it?

Hey tin! I'm sorry to say but do you have some disorder? You keep on blabbing and writing and those words make no sense Mr -_-  

All i I understood was good luck so thanks :)

Which expression could be a calculator’s display for the number 0.0000000064?=

64/(10^10).

What is 4.6 × 108 cm/min in meters per hour?=298.1 m/h  (meters per hour)

What is 3.2 × 10−4 m/h in centimeters per second=0.7778 cm/s 

What is the standard form of this number? 5.7e+11

The standard form is 5.7 X 10^11=570,000,000,000 This last long number is the "standard form"

area of a triangle with base of 9.6 and a hypotenuse of 12

Let x be the unknow side, then we have:

x^2 + 9.6^2=12^2

x^2 +92.16=144

x^2=144 - 92.16=51.84

x=51.84^1/2=7.2 Being the Opposite side(which is the height of the triangle)

Area=(Base X Height)/2

Area=(7.2 X 9.6) / 2

Area=34.56 square units.

does anyone know 5698 squared i need help=5698^2=32,467,204

How do I find the opposite if Im given the hypotenuse and its angle?

Sine(x)=Opposite side/Hypotenuse

Opp.side=Hypotenuse X Sine(x)

-2 + 13=+11

Omi67

sqrt(48)=6.92820 + sqrt(3)=1.732051

=6.92820 + 1.732051=8.660251^2=74.9999.........=75

23-5y+6y-y+y-2=y+21

what is a square root=a number that when you multiply it by itself gives you another number. So, 2 is the square root of 4, because 2 X 2=4. Or, the square root of 9 is 3, because 3 X 3=9. Got it?

Hallo guest!

idk

Your answer is=.00547722557505

27x27=729 How can i break it down ?????/, when you break a number down, it generally means you "factor" it thus=729=3^6, which means you multiply 3 by itself 6 times and you get 729. Or you can multiply 3^5=243 + 486=729........etc.