Answer:
Explanation:
05/10
Simplifying
1/2
or 2^-1
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1.29x=21+.99x
You want them to become equal, and you can get that if you get x by itself.
.3x=21
21/.3= 70= x
So at 70 downloads, they'll be the same. We can check to see if we're right.
1.29 ×70=90.3
21 + 69.3 = 90.3
So they'll be the same at 70 downloads, and they'll cost $90.30.
Answer:
x=144
Step-by-step explanation:
We got x and x/4 right
If you put x on the same line as x/4, you gon see that x+x/4=180
Then, just do your algebra and get x=144
Answer:
-277.02
Step-by-step explanation:
Given series:
- -3.42, 10.26, -30.78, 92.34,...
We can see the series is a GP with common ratio of -3, as:
- 10.26/-3.42= -30.78/10.26= 92.34/-30.78= -3
So the next term will be: