Evaluate -9x+3y+4 for x=5 and y=7
1 answer:
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Answer:
Distance = 8.6
M = (-13.5,27.5)
Step-by-step explanation:
Distance =
=
=
=
=
=
= 8.6
Midpoint =
= (-10+(-17)) ÷ 2 ; (30+25) ÷ 2
= -27 ÷2 ; 55 ÷ 2
= -13.5, 27.5
Answer:
Step-by-step explanation:
Let be "x" the amount of miles light will travel in 4,200,000 seconds.
Rewrite 4,200,000 seconds in Scientific notation. Move the decimal point 6 places to the left. Then:
According to the exercise, light travels miles in 1 second.
Therefore, based on this data, you can set up the following proportion:
And finally, you must solve for "x" in order to find its value.
(Remember the Product of powers property: )
Then: