Her first rate was faster. The 10 minutes with a change in elevation of -200ft.
In order to solve this you need to have the same minutes. In this problem, I just simply took the 10 minutes and the -200ft and doubled it. Now both rates have 20 minutes. The first rate would have gone -400ft in 20 minutes while the second rate was only -300ft in 20 minutes. I hope this wasn't confusing, and I'm willing to explain more.

7 0

3 years ago

There are 6 cups of sugar in 5 batches of cookies. how many cups are in 1 batch

Mars2501 [29]

Answer:

1.2 cups

Step-by-step explanation:

6 cups / 5 batches = 1.2 cups/batch

6 0

2 years ago

F (x) =2x -4; find f (-4)

NemiM [27]

Answer:

f(-4) = -12

Step-by-step explanation:

$f(x)=2x-4$

To calculate f(-4), we need to substitute x in our equation above with -4:

$f(x)=2x-4\\f(-4) = 2*(-4) - 4\\f(-4) = -8-4 = -12$

Note that 2*(-4) = -8

Answer: f(-4) = -12

6 0

3 years ago

The below shows the cost of items sold at Luke's electronics. Which two items would represent the ratio 3:1

Ugo [173]

The blue ray and the tv combined is 490 so just divide by 2 there’s your answer bud

6 0

3 years ago