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C  is correct

5600 = 100(10)^4t

56=10^4t

log(56)=4t

log(56)/4 = 0.4370470067515501 hours

60 minutes in one hour

0.4370470067515501*60 = 26.222820405093006

I don't know

We can automatically rule out B because it is far to low and D because it is twice over your target.

Let use plug and simplify to find the A0 or initial investment

25000=x(1.00583)^(120)

25000/(1.00583)^(120) = 12444.85

So rounding, we can assume it is C

3.2 + e^(6x) = 54.2      subtract 3.2 from both sides

e^(6x)  = 51     take the LN  of both sides

LN e^(6x)  = LN  51     and we can write

6x LN (e)   = LN 51       and LN = 1 so we can ignore this....and we have...

6x  = LN 51      divide both sides by 6

x = LN (51)  / 6    = about   0.6553

To use scientific notation, you must make the whole number between 1 and 10. Then add decimals behind it to create a sense in which the number is. 

So 2020 would be 2.02 * 10^3 because you moved 3 decimal places.

Yup

tan^-1(0.5)  = about  26.565° 

Are you trying to be annoying? Or you just think your cool because you know noone will be able to answer. Or you just bored and decided to run your fingers across the board? Anyways, there is a calculator on this webstie for a reason.

9876543210*987654321 = 9754610577899710410

What is the magnitude of an earthquake, y, that is 10 times as intense as the previous earthquake (rounded to the nearest tenth)?

y = log 10 + 7.9 =  1 + 7.9 =   8.9

What intensity, x, is the aftershock with a magnitude of y = 8.7 (rounded to the nearest whole number) compared with the original 7.9 earthquake?

8.7  = log x + 7.9     subtract 7.9 from both sides

0.8  = log x

This  says that x =   10^0.8  = about 6.3  = about 6  [rounded to the nearest whole number]

.6% monthly correct? And 12 months right? .6*12=7.2

That leaves option b and C

We can rule B out with common sense. Is $10,000 gonna earn only $1,000 in 20 years? No

But algebraically shown here

10000(1.006)^(12*20) = 42025.74 Where 20 is T in time

This isn't rounding to 40,000 but it is farther away from $11,000 by a longshot

1.

  Two ways of doing this, distributing, or getting rid of that 2 immediately

2(x+4)=10

2x+8=10

2x=2

x=1

or

2(x+4)=10

x+4=5

x=1

2. Same here

3(a+9)=12

a+9=4

a=-5

3. Simplifies down to 2/13

I eat apple cores

On a side note, did you know that apple seeds contain minute traces of cyanide. Welp, I guess I'll eat an apple now.

First convert into similar units

60kg=60,000 g

Lets create an equation of this 

Let c= amount copper

Let g = the total amount of the statue

so 62% can be written as .62 because 100% is 1 of something.

So 100% of 5 is 5 correct? Whereas 50% of 5 is 1/2*5 or .5(5).

So C= .62G

.62(60000) = 37200
So 37,200 grams is your answer

lol thats a good secret ha 

I EAT PEARS

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Sorry. I am confused

I'm gonna assume this is equal to 0 and is not just an expression

5k*-4*6=0

5k*-24=0

-120k=0

k=0

1 - E

2 - A

3 - Ummmm, no anwser

4- F

Lol, thx!

Much better spawn... 

I see you finally broke the double digits after a month and half BiggPapa

47 n=11/6

48 x=9/125

49 y= 70

Believe me, fractions are extremely better than decimals.

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I murdered my parents and my neighbors. Then proceded to rob charities and break criminals out of jail. 

I thought the math comunity might like a little bit of light humor before learning the truth.

A plant gets most of it's mass from the terrain. By terrain I mean soil for trees and such and water for algae.