IF YOU ARE NOT perpetual20 or saraelaw2010 pls DO NOT ANSWER MY QUESTION (unless you want to super bad/ur desperate) free points Pls follow me for more daily point giveaways!!! What is 10 + 10? Also, perpetual20 said to do 50 points, here it is. I know saraelaw2010 just wasted all her points so here you go. Also, I have 453 points so don't worry if I run out or something like that

20

Step-by-step explanation:

20

Step-by-step explanation:

10+10=20

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it

- "runner b is moving at a slower rate."

- "the graphs shown are graphs of distance(km) against time(min).

the slopes of this graphs are are given by:

slope = (change in y)/(change in x)

= (change in distance)/(change in time)

this is the formula for finding the speed. so, the slope of these graphs represent the speed of the runner.

taking each division in the graph to represent 1 on both axis:

runner a ⇒ speed = (2-0)/(1-0)

= 2/1

= 2 km/min

runner b ⇒ speed = (3-0)/(3-0)

= 3/3

= 1 km/min

this shows that   runner b is moving at a slower rate."