Answer:
Hi there!
Your answer is;
There are 50 bacteria after 3 hours
Step-by-step explanation:
After three hours, with a rate of 20% an hour, 60% should have died
20% of 125 is?
100% is 125
/100
1% is 1.25
×60
60% is 75
125-75= 50
Hope this helps
Answer:
$106.3
Step-by-step explanation:
$3200 = Know (goal / need)
$1500 = Given
3200 - 1500 = 1700 = what's left
160.3 × 16 = 1700.8
↑(the closest you can get to 1700)
so they will need to save $106.3 a week to get 3200
1a) f(4) = 2
1b) x = 1 and x = 3
2a) g(3) = 55
2b) If you work 5 hours... you could expect to earn $85 (according to the function)
Answer:
3
Step-by-step explanation:
<em>This is cube root (hence the </em>![\sqrt[3]{}](https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7B%7D)
).
To find the cube root of a number, we are looking for a number that, when multiplied by itself 3 times, equals the number inside the sign.
So:
We know that 
, so this doesn't work.
We also know that 
, so this works.
Therefore the cube root of 27 is 3.
Hope this helped!
X+16/x=4. x^2+16-4x=0. x=8+-^17
