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They might have been a little more "cocky" than you are.....especially Zegroes....!!!!!

This is basically saying

5*x=20

I know 5*4=20

So x=4, like anon said

Rosala says I act like them too much....ha ha

x = 4 Yay i did it

We all miss Zegroes......DragonSlayer554, too.....you'd like both of them, h7......!!!!

I assume we have either

log₁₀₀₀ a = 55   ... or....  log₁₀₀₀55  = a

In the first case "a"   = 1000⁵⁵  (this is a really "big" number)

In the second case, "a"  can be found by using the "change-of-base" rule

a =   log 55 / log 1000   =  log 55 / 3

The final result is given by

2(.60P)   .......where P is the original price

(Note, "40% off" means that the original price is just 60% of what it was = .60P.......and we're doubling that result)

1.  (y^2 + 2y – 35) ÷ (y+7) =    factor the numerator

(y + 7) (y - 5) / (y + 7) =          "cancel'  on top and bottom

(y - 5)

2. a^8 – 5a^5 – 3a^3 / a^2  =     factor the numerator

a^3 (a^5 - 5a^2 - 3) / a^2   =      "cancel" on top and bottom

a(a^5 - 5a^2 - 3)

This is what I meant to type and thank you!

I bet you really meant

(4x^4  - 6x^2 )/(-2x^2 )

Those brackets make a world of difference!

ans: -2x^2 + 3

A chance that a certain outcome will happen

You could check your own answer like this: does the product

( -3y )(  -y + 9 )

get you back to where you started, viz.,

 $${\mathtt{3}}{\mathtt{\,\times\,}}{{\mathtt{y}}}^{{\mathtt{2}}}{\mathtt{\,-\,}}{\mathtt{27}}{\mathtt{\,\times\,}}{\mathtt{y}}$$    �👍👍

-9(-7)-16y=-21    I assume you'd like to solve this

63 - 16y  = -21    subtract 63 from both sides

-16y = -84          divide both sides by -16

y = -84 / -16   =   21 / 4

Correct - a - mundo  !!!

I assume we have

1/[1 - sinΘ ] + 1 / [1 - sin Θ]  =

2 / [ 1 - sinΘ ]  

Good job, Brit.......

If 10^2 + 11^2 = 14^2, then we have a right triangle....so

10^2 + 11^2 = 14^2    ????

100 + 121 = 196    ???

221 = 196   ????

Nope.....no right triangle

Infinity I think

Can't stand him!

The bracket sign on your keyboard

hahaah yeah.

Barack can't find me....he's such a wimp anyway

nice happy7!!! ahahaah

I agree, Britt, I agree