ABC is a right triangle, so by Pythagoras' theorem,
Then by the law of sines,
Raina runs 3 miles in 28 minutes. At the same rate how many miles would she went and 42 minutes
1 answer:
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Answer:
C
Step-by-step explanation:
Area of a square equals to the square of its side, therefor the side of a given area for a square is the square root of the area.
The given expression is :
2xx+3-5(x-2)
We know that,
Aleena expands 2xx+3-5(x-2) as 2x²+3-5x-10. She is mistaken because the sign before 10 should be +10 instead of -10. Hence, the correct expanded form is 2x²+3-5x+10. Hence, this is the required solution.