Answer:
X Intercept(s): (-5,0), (-1,0)
Step-by-step explanation:
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Answer:
$18
Step-by-step explanation:
6/10 × $30 = $18
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Answer:
C. x=4,y=9
Step-by-step explanation:
The given information show that
x+11y=103 (1)
9x+10y=126 (2)
Isolate x from (1)
x=103-11y
Substitute x=103-11y into (2)
9(103-11y)+10y=126
927-99y+10y=126
-89y=-801
y=9
So x=103-11x9=4
Answer:
The correct answer is B
Step-by-step explanation:
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Answer:
sum = ∑[n=1,5] 4^(n-4)
Step-by-step explanation:
First of all, you need to be able to describe the n-th term.
Here, we have ...
term #: 1, 2, 3, 4, 5
value: 4^-3, 4^-2, 4^-1, 4^0, 4^1
That is, the exponent of 4 is 4 less than the term number. So, the n-th term is 4^(n-4). The sum of the 5 terms shown is then ...