Answers:
a = 2
b = 3
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Explanation:
Plug in x = 0 and y = 2 to find that
y = a*b^x
2 = a*b^0
2 = a*1
2 = a
a = 2
Then plug in x = 3 and y = 54 to determine the value of b
y = a*b^x
y = 2*b^x
54 = 2*b^3
2b^3 = 54
b^3 = 54/2
b^3 = 27
b = (27)^(1/3)
b = 3
So we have y = a*b^x update to y = 2*3^x
Answer:
The answer is $10.80
Step-by-step explanation:
It goes up $0.70 every mile and the flat fee is $3.10.
The equation 3.1 + 0.7(x) when x is the number of miles traveled.
Substitute 11 for x and get 3.1 + 0.7(11).
The answer is $10.80
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Let t as y² + 5y .
Rewrite the equation :
Multiply sides by t
Add sides 36
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So :
Subtract sides 6
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Thus (( y = 1 )) and (( y = - 6 )) are the roots of the equation .
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Answer:
3,474.4
Step-by-step explanation:
4,250-25%=3187.5
3187.5+9%=3474.4
Answer:
4000 is 10 times greater than 400.
Step-by-step explanation:
