A 1000-kg car moving north at 30 mph (13.4 m/s) collides with a 2000-kg SUV moving east at 50 mph (22.4 m/s). The cars get
entangled and move off together. What is their final velocity (speed
and direction)?

3

step-by-step explanation:

in standard form:

a= dictionaries

b= maps

you have to buy 3 dictionaries, so put a 3 next to the a (dictionaries) so that you can multiply them by each other.

a3+b= 60 (the amount of money you have)

we already know the cost of a=15 so replace a with $15

($15 x 3)+b=60

multiply 15 and 3 to get $45 and replace it with $45

45+b=60

and then replace b with 15 to get the total:

45+15=60

that means you have $15 left after buying 3 dictionaries.

15 divided by the cost of a map ($5) equals 3.

so you can buy 3 maps.

sorry if it was confusing!

b

step-by-step explanation:

need more detail

step-by-step explanation:

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