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It is positive13

it equals 140

 .990= .110

1L = 1000ml

1min = 60 sec

136L/min * 1min/60sec * 1000ml/1L = 2716.66666667 ml/sec

(5x/6)*2 = 10x/6 = 5x/3

n*√n / ⁴√n^2     so we have, using some exponent laws......

n^3/2 / (n² )^1/4 =  

n^{(3/2 )} / n^(1/2) =

(n^{3/2 - 1/2} )   = n¹   =  n       ........  (with the restriction that n ≠ 0)

n*√n / 4√n^2

4√n^2 would be the same as √n (i think)

so we have: n*√n / √n

wich would give us n.

This is just a guess. I might be wrong

because why not

$${\frac{{\mathtt{36.3}}}{{\mathtt{288}}}} = {\frac{{\mathtt{121}}}{{\mathtt{960}}}} = {\mathtt{0.126\: \!041\: \!666\: \!666\: \!666\: \!7}}$$

0.126=12.6%

Thanks 

I assume the "3 + 1/2" is an interest rate of 3.5% = .035 in decimal form

So we have

£8000(1+ .035)⁵ = about £9501.5

$$\left({\frac{{\mathtt{13}}}{{\mathtt{1}}}}\right){\mathtt{\,\times\,}}\left({\frac{{\mathtt{1}}}{{\mathtt{6}}}}\right) = {\frac{{\mathtt{13}}}{{\mathtt{6}}}} = {\mathtt{2.166\: \!666\: \!666\: \!666\: \!666\: \!7}}$$

Or simplified: 2 and 1/6

1. Don't know

2. When you change your money from one currency to another.

3. Spanish for "folk music"

4. a sauce

5. A music genre popular in Latin America

7cm + 22cm + 6cm = 35cm

Volume of a cube: 7cm * 22cm * 35cm = 5390cm^3

(5^2)^-3/5^-8    so we have

(5²)^-3/ 5^-8   and by a law of exponents, we can write

5^-6 / 5^-8      and again, by an exponent law, we have

5⁸ / 5⁶ = 5^8-6 = 5² =  25

Pie numbers? Anyway you slice it, it never ends.

Get a small notebook and write them down

About every 2 hours study them for 5 mins

after a day or 2 you will know them by memory

do not study them between 8pm and 10 am

20 +

20 +

20 +

20 +

20 +

=

100

20 + 20 is 40

40 + 20 is 60

since we know 20 + 20 is 40 and we have 2 20's left we can say

40 + 60 to make things easier

so the answer is 100

Sure, these are math forums. If you have any questions feel free to ask.

(x14)/(x7) = (14x)/(7x) = 2      (with the restriction that x ≠ 0)

180/365  is about the same as 180/360 = about 1/2 of a year

Multiplication

10 sec * 20ft/sec = 200 ft

If we consider that the pyramid has a solid "bottom"...the area of this "bottom" =  7.2² = 51.84 sq units

And subtracting this from 256.7 gives the total area of the sides = 204.86 sq units. And the area of each side is 1/4 of this = 51.215 sq units

And since each side is a triangle with a base of 7.2, we have

51.215 = (1/2)*7.2* h    

51.215 = 3.6 * h      divide both sides by 3.6

h = about 14.23 units = the slant height