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2 answers:
This method requires you to use prime factorization. Basically you break down these numbers into factors that---when multiplied together---equals the original number. For a, you can break the number into 8*10 and they still multiply together to equal 80. But this is not prime factors because you can break them down further. You have to continue doing this until you get prime numbers. For a, you get (2^3)x(5) and for b, you get (3^3)x(2)=54
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f(x)=x²-1
g(x)=2x-3
f(x)*g(x)=(x²-1)*(2x-3)-----------> <span>this function exists for all real numbers</span>
the answer is the interval (-∞,∞)
using a graph tool see the attached figure
1.25t+7=43.25 can be used to determine the number of minutes that Raymond was on the trampoline.
Step-by-step explanation:
Given,
Total cost for session = $43.25
Entrance fee = $7
Charges per minute = $1.25
Let,
t be the number of minutes raymond was on Trampoline
Total cost for session = entrance fee + Charges per minute * No. of minutes
1.25t+7=43.25 can be used to determine the number of minutes that Raymond was on the trampoline.
Keywords: linear equation, addition
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