(x-3) to the 2 = 0 in standard form
2 answers:
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Answer:
Machine B
Step-by-step explanation:
Since, Machine A covers square feet in
hours,
Rate at which the Machine A is covering =
=
= 2.5 square feet per hour
Machine B covers square feet in
hours,
Rate at which the Machine B is covering =
=
=
= 3.33 square feet per hour
Therefore, Rate of Machine B is greater.
Answer:
the explicit formula for h(n) is, -65-10n
Step-by-step explanation:
Given that:
h(1) = -75
h(n) = h(n-1)-10 ......[1]
Put n =2 in [1] we have;
Similarly for n = 3
and so on...
The series we get;
This is an arithmetic sequence series with common difference(d) = -10
Since,
-85-(-75) = -85+75 = -10,
-95-(-85) = -95+85 = -10 and so on
First term(a) = -75
the Explicit formula for arithmetic sequence is given by:
where a is the first term,
d is the common difference and
n is the number of terms.
We have to find the explicit formula for h(n);
Substitute the given values we have;
or
Therefore, the explicit formula for h(n) is, -65-10n