Answer:
A.-2x2+-1
Step-by-step explanation:
(-7x+5)-(2x2-8x+6)
-7x+5-2x2+8x-6 then collect like terms
-2x2-7x+8x+5-6
-2x2-x+1
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Answer:
28 : 112
Step-by-step explanation:
you can multiply 14 by 2 and 56 by 2 and you get 28 for 14 and 112 for 56 so 28:112 is equivalent to 14:56.
Answer:
8hours
Step-by-step explanation:
10000÷5=2000
so the restaurant earns 2000$ per hour
8×2000=16000
8hours=16000$
Hope that helped
Answer:
X ≥ 112,6 $
Step-by-step explanation:
Normal Distribution N ( 95 , 16 )
μ₀ = 95
σ = 16
We need to get z (score) for area 0,1357; then from z - Table we get
z (score) = 1,1
Now z (score ) = ( X - μ₀ )/σ
1,1 = ( X - 95 ) / 16
17,60 + 95 = X
X = 112,6 $
That means that in order to get a gift customes has to spend at least 112,6 $
