Answer:
x=4x therefore the answer is 4x
Step-by-step explanation:
x^2-8x+16=0
Answer: we need to survey 2285 Americans.
Step-by-step explanation:
When population proportion (p) is known, then the formula to evaluate the sample size( minimum) is given by :-
, where E = margin of error , z* = critical z-value.
Given: p= 0.61, E=0.02, Critical z value for 95% = 1.96
Required sample size: 

Hence, we need to survey 2285 Americans.
Answer:
See below in bold.
Step-by-step explanation:
(A) 20 -4x=12 -x+8-3x
-4x + x + 3x = 12 + 8 - 20
0 = 0 This is an Identity.
Infinite solutions.
B). 5x+4x-3=24+8x
9x - 8x = 24 + 3
x = 27. One solution.
C. 5x+6=2x+6+3x-15
5x - 2x - 3x = -15 + 6 - 6
0 = -15
No solution.
Answer:
#1 Equation: 8/9
#2 Equation: 18
Step-by-step explanation:
No explanation for this problem.
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Use: "PEMDAS"
P: Parenthesis
E: Exponents
M: Multiplication
D: Division
A: Addition
S: Subtraction
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Did you learn this from Kindergarten?
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