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+118733

0

I'll show you with an example

5.3*10 ¹² * 6.9*10 ^-7

= 5.3*6.9*10 ¹² *10 ^-7

= 36.57 * 10 ^(12+-7)

= 3.657 * 10 ¹* 10 ⁵

= 3.657 * 10 ⁶

OR, you could just do it on your calcuator.

MelodyOct 25, 2013

+118733

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Replace y in the first equations with (2x+12) and then solve for x

then substitute your x value into either original equation to get y.

MelodyOct 25, 2013

+118733

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(-5)+(-6)

= -5+-6

If 2 signs (+ or -) are so close together that you can put a circle around them with nothing else in the circe, the

if the signs are the same, replace them with a plus

if the signs are different, replace them with a minus.

Your question has a +- they are different so replace with a -

=-5-6

Now, start at -5 on a number line and go 6 places in a negative direction.

= -11

MelodyOct 25, 2013

+118733

0

3.2million * 1.02^100

MelodyOct 25, 2013

0

b = a + (n - 1)d

b - a = (n - 1)d

(b - a)/d = n - 1

((b - a)/d) + 1 = n

GuestOct 25, 2013

+118733

0

If I understand your question properly, which I may not, then

It is 64 degrees because they are alternate angles on parallel lines.

MelodyOct 25, 2013

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It would be 5/t - the function of a

GuestOct 25, 2013

+118733

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If f(t)=5/t

[ f(t)-f(a)] / (t-a)

= [5/t - 5/a] / (t-a)

=(5a-5t)/(at) * 1/(t-a)

=-5(-a+t)/(at) * 1/(t-a)

=-5/(at)

MelodyOct 25, 2013

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If you are asking how to solve an equation like a^3+b^3=0, you have to factor the equation first. The equation for factoring a sum of perfect cubes is as follows:
a^3+b^3= (a+b)(a^2-2ab+b^2)

From there, you set (a+b) equal to 0 and (a^2-2ab+b^2) equal to zero and find your three different answers (or at least there should be three answers). If you can factor the second parenthesis even more, do so and set both inserts equal to zero...

IF that makes any sense at all

GuestOct 25, 2013

+118733

0

It depends what you are talking about

The inverse of 6 is 1/6

but if
tan(theta) = 0.35
Inverse tan 0.35 = theta

MelodyOct 25, 2013

Oct 24, 2013

+118733

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sqrt3(24^3) = (sqr3) * 24*24*24

You can't simplify sqr of 3 because it is already as simple as it can be.
24*24*24 you can do by long multiplication.

MelodyOct 24, 2013

+118733

0

10 rabbits at first then five years later 340 rabbits.
give a formula for the population of the colony of rabbits as a function of the time

a=10, r = rate of yearly increase, R = number of rabbits after n years.

340=10*r ⁵
34=r ⁵
r = 34^(1/5)
r = 35^0.2

R _n = 10 * [34^0.2] ⁿ

R _n = 10 * 34 ^(0.2n)

This is based on the premise that rabbits increase in number yearly as a geometric progression, which, of couse, they do not.

MelodyOct 24, 2013

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GuestOct 24, 2013

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how much is 24.7% of $90.00.

GuestOct 24, 2013

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GO SUCK A SMALL C**K NIQQQA

GuestOct 24, 2013

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You can't you f**k tard, it's impossible. K**l yourself with the calculator that you aren't allowed to use.

GuestOct 24, 2013

+259

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"Graphically" means to graph an equation or a system of equations. In this case you have to draw the graph of the inverse proportionality 1/2x moved 4 units up the Y and intersecting the line 2x - 5 which in turn is the line 2x moved 5 units down the Y. It shares one common point with 1/2x.

scrutinizerOct 24, 2013

+118733

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Hi IQ
I get six, how did you get 9?
8*7=56
7*6=42
6*5=30
5*4=20
4*3
3*2=6

MelodyOct 24, 2013

+118733

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Weren't you going to enter some scores?

MelodyOct 24, 2013

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Equitatus3778:
The asnwer is 9

Or maybe 6 there can 2 systems

GuestOct 24, 2013

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The asnwer is 9

GuestOct 24, 2013

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Much appreciated, thanks for the help

GuestOct 24, 2013

+6

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2x-5=1/2x+4
2x-1/2x=4+5
3/2x=9
x=6
y=2*6-5=7

abellaOct 24, 2013

+118733

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http://www.mymathforum.com/index.php

I can't answer this, if I could, I would.
If you do not get an answer soon you may consider posting your question in the forum above.
I think you will be more likely to get an answer there.
There is a section there specifically for physics and chemistry questions.

MelodyOct 24, 2013

+118733

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It's not your question dedwe, so why does it help you?

sqrt257 to the 3rd power = (257^1/2) ^(1/3) = 257 ^ (1/6) = approx 2.52147996

MelodyOct 24, 2013

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