12.89 can be written as 1289/100, hence its a rational number.
This are the right steps
Step 1: first you divide the both size by 7 because there is 7 a's
7a/7 = 28/7
Step 2: You solve the equation
7a/7= a. 28/7 = 4
So, the answer is a = 4
not 7 = 4
Cut 25 with 5
5x3 = 15
15 = 15
Answer:
There are 616 total students
Step-by-step explanation:
boys : girls: total
5 3 5+3 = 8
There are 385 boys
385/5 = 77
Multiply each term by 77
boys : girls: total
5*77 3*77 8*77
385 539 616
There are 616 total students
Answer:
see below
Step-by-step explanation:
A graphing calculator can help you do this.
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The function crosses the y-axis where x=0.
g(0) = -5^0 +5 = -1 +5
g(0) = 4
The function crosses the x-axis where g(x) = 0
0 = -5^x +5
5^x = 5 = 5^1
x = 1
g(1) = 0
The points of interest are (0, 4) and (1, 0).
