400 passengers go on a coach trip.
2 answers:
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Answer:
Slope =
Equation of the line →
Step-by-step explanation:
Let the equation of diagonal OA is,
y = mx + b
Here, m = Slope of the line OA
b = y-intercept
Slope of a line passing through two points and
is given by,
m =
Therefore, slope of the line passing through O(0, 0) and A(3, 4) will be,
m =
m =
Since, line OA is passing through the origin, y-intercept will be 0.
Therefore, equation of OA will be,
Answer:
This represent an exponential function, because his savings increase by a constant factor of 2.
Step-by-step explanation:
It is given that,
Luis has saved $6 and he doubles the amount each week.
So, the amount saved in the next week = 6×2 = 12
This gives the amount saved in the third week = 12×2 = 24
So, we get the sequence 6, 12, 24, 48,.....
It can be written as, 6×2⁰, 6×2¹, 6×2², 6×2³,.....
So, the sequence in the exponential form , where 'n' is a natural number.
Also, 6, 12, 24, 48,.....
The numbers are increasing by the factor =
Hence, we get,
This represent an exponential function, because his savings increase by a constant factor of 2.
Answer:
of the phones in office has both a speaker phone and a conference-call capability
Step-by-step explanation:
Since total number of phones in the office is not given, the answer will be "in that terms".
let it be x
So built in speaker phones is (1/4)x
Hence conference call phones would be (1/2)(1/4x) = (1/8)x
Hence "1/8th of the phones in office has both a speaker phone and a conference-call capability"