Answer:
I
Step-by-step explanation:
3x-5+7x+5+90=180
x=9
9514 1404 393
Answer:
10^27
Step-by-step explanation:
Your calculator can help with this.
(10^9)^3 = 10^(9·3) = 10^27
__
The applicable rule of exponents is ...
(a^b)^c = a^(bc)
To get the answer, you multiply 25% by 395.
395
*0.25
1975
790
000
=98.75
Answer: 
Step-by-step explanation:
The proccedure shown in the problem is applied to solve for x and calculate its value.
One of the equations shown in the problem is:

To solve for x you must_
- Add 6 to both sides of the equations:


- Then you must divide by -3:

Then the answer is: 