The answer is/ should be b
<span>Let the age of the 4th person be F
Sum of the 1st four in line: 4(23), or 92
Sum of 1st 3: 92 - F (excludes the 4th person's age)
Sum of the last 3 in line: 3(34), or 102
</span><span>Sum of last 2: 102 - F (excludes the 4th person's age)
Sum of all 6: 6(27), or 162 (INCLUDES 4th person's age)
We now get: F + 92 - F + 102- F = 162
- F + 194 = 162
- F = 162 - 194
- F = - 32
F, or 4th person's age = -32/-1, or 32
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Answer:
x=2
Step-by-step explanation:
ok so this is just a substitution problem.
we need to get the variable (x) by itself on one side.
4x+8=16. so, lets remove 8 from the left side, and whatever we do to one side also has to happen to the other.
4x+8=16
-8 -8
4x=8. So now, we want to get 4 separate from x, and the only thing we can do is divide.
4x=8
/4 /4
x=2. there you have it, x is 2.
The ordered pairs (1, 4), (2, 16), (3, 64), (4, 256), and (5, 1,024) represent a function. what is a rule that represents this f
lara [203]
Try to graph where these points would fall.
As you can already notice, the y-values are increasing exponentially.
How would you get 4->16? 4^2
16->64? 4^3
I have attached a graph below that will help you visualize this.