Hi anyone know the answer to this? Ill give brainliest immediately!!!! :)

Mathematics

2 answers:

SashulF [63]3 years ago

8 0

It’s the 3rd one :) hope this helps

Wewaii [24]3 years ago

6 0

Option C or y=1/2x+3 is the correct answer.
The line has a slope of 1/2 and a y intercept of (0,3) that matches option c. To graph an equation, Find points: pick simple values of x and find the corresponding values of y. ...
Using the slope and y-intercept: use the concept of “rise over run” and the y-intercept to find points on the graph. ...
Using the x- and y-intercepts: let x=0 and y=0 to find the intercepts of the graph.

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Sorry if these are wrong did it to the best of my knowledge

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You and your friend are in a canoe race. Your friend is a half mile in front of you and paddling 3 miles per hour. You are paddl

Anit [1.1K]

Answer:

a. 1.25 hours

b. 0.5 miles ahead

Step-by-step explanation:

This problem can be easily solved with the use of relative speed, then a problem of two bodies become a problem of one object.

The relative speed between two objects moving in the same direction is:

$v_{r}=|v_{a}-v_{b}|$

In the problem:

$v_{r}=|3mi/h-3.4mi/h|=0.4 mi/h\\$

What this relative speed means is the speed at which you are catching your friend up, then in order to catch your friend up you need to paddle the distance your friend is in front of you.

The time necesary to catch your friend up is:

$t=\frac{distance}{v_{r}} =\frac{0.5miles}{0.4\frac{miles}{h} } =1.25 hours$