Jeff hiked for 2 hours and traveled 5 miles. If he continues at the same pace, which equation will show the relationship between
the time, t, in hours he hikes to distance, d, in miles? Will the graph be continuous or discrete?
2 answers:
Answer: The relationship between distance and time is and the graph is continuous.
Step-by-step explanation:
Since we have given that
Number of hours he hiked = 2 hours
Distance covered = 5 miles
Speed would be
Let the distance be 'd'.
Let the time be 't'.
so, the relation between distance and time would be
The graph is continuous because it is not based on counts and the points are connected with a continuous line without any break.
Hence, the relationship between distance and time is and the graph is continuous.
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To find the answer, we will have to find the percentage of $273 to $ 3500, and we can use the formula:
In this case:
273/3500 x 100%
=39/500 x 100%
=7.8%
Therefore the annual interest rate would be 7.8%.
Hope it helps!
Step-by-step explanation:
b^2-4b+3=0
b²-3x-b+3=0
b(b-3)-1(b-3)=0
(b-3)(b-1)=0
either
b=3 or b=1
.
2n^2 + 7 = -4n + 5
2n²+4n+7-5=0
2n²+4n+2=0
2(n²+2n+1)=0
(n+1)²=0/2
:.n=-1
.
x - 3x^2 = 5+ 2x - x^2
0=5+ 2x - x^2-x +3x^2
0=5+x+2x²
2x²+x+5=0
comparing above equation with ax²+bx +c we get
a=2
b=1
c=5
x={-b±√(b²-4ac)}/2a ={-1±√(1²-4×2×5)}/2×1
={-1±√-39}/2
