What is the distance between the points (4, -8) and (10,8)?
1 answer:
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Answer:
Eudora spent 0.5 hours in running and 1.5 hours flying using her jet-pack.
Step-by-step explanation:
Let x represent time spent in running.
We have been given that the entire trip took 2 hours, so time spent in flying the jet-packs would be .
We know that distance is equal to speed times time.
Eudora ran from her home to a secret laboratory at an average speed of 12 km, so distance traveled by running would be .
Eudora took one of her jet-packs and flew to her school at an average speed of 76 km, so distance covered by jet-packs would be .
We are told that Eudora traveled a total distance of 120 km. We can represent this information in an equation as:
Combine like terms:
Divide both sides by :
Therefore, Eudora spent 0.5 hours in running.
Upon substituting in expression for time spent in flying jet-packs, we will get:
Therefore, Eudora spent 1.5 hours flying using her jet-pack.
Answer:
Here you go
By the way, 1= 6/6 and 2=12/6
,so first split them into separate shapes (refer to pic) then calculate each one
I started with the triangle
8×6=48 and 48÷2=24 so the triangles area its 24
next the rectangle
12×8=96
and I did the triangle shape cut out of the square
4×3=12 12÷2=6 so its area is 6
and the squares area is 8×8=64
but u need to subtract 6 from 64 because that area is missing
then you get 64-6=58
then add all the areas
58+24+96 to get your answer of 178m
I started with the triangle
8×6=48 and 48÷2=24 so the triangles area its 24
next the rectangle
12×8=96
and I did the triangle shape cut out of the square
4×3=12 12÷2=6 so its area is 6
and the squares area is 8×8=64
but u need to subtract 6 from 64 because that area is missing
then you get 64-6=58
then add all the areas
58+24+96 to get your answer of 178m