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Thank you kind sir

Supplement implies an 180-degree angle

x+y=180

y=x+7

x+(x+7)=180

2x+7=180

2x=173

173/2 = 86.5

x=86.5

Proof:

86.5+(86.5+7) = 180

thank u 

5x/5= 5/5 * x= 1*x=x

So, 5x/5=x

idk

Let's do an example:

What is 0.0000000345 in scientific notation?

Well, let's start off with how many places we need to move the decimals.

To get it to 3.45*10^-n, we need to move the decimal 8 times.

So, the scientific notation in this calculator would be 3.45*10^-8.

All a matter of perspective. One could be proficient in math and, in your wording, "dumb" in, let's say, volleyball. 

They may know lots about angles and algebra but nearly nothing on how to properly serve in volleyball.

Depends on the question.

'Incorrect' is what it is.

4x-8 cannot equal 4x+10

thx

0.00045=4.5*10^-4


Proof: 
4.5*10^-4 = 0.00045

Exactly WHAT is your QUESTION about this?

Use the calculator to enter 3 + 15 divided by 44 = 3.34090909....

kjoule is kilo-joule or 1000 joules     A joule is the SI unit of energy.

2 + 2 = 500

2 and 2 is 4

abcDefghijklmnopqrstuvwxyz

D is the fourth letter of the alphabet

d is 500 in Roman numerals.

2 + 2 = 500

ANSWERS 20 :)

40000000

(18.81-17.50)/17.50   x 100% = 7.49 %

A²+B²=c²

-3/4   x  -1/2  =   (-3 x -1) / (4 x 2) =  3 /8

Use the Pythagorean theorem

a^2 + b^2 = c^2

48^2 + 27^2 = (diagonal)^2

2304 +729 = (diagonal)^2

diagonal = 55 inches