Heather was out for a leisurely walk at a rate of 3 miles per hour . What was her sped in yards per minute

1 answer:

6 0

3 mi/1 hr x 60 mins/1 hr x (how many yards are in a mile)/1 mile put it in fraction form. as i did. and cancel out hrs. and miles. and your left with your yards and mins. multiply across. and you get a huge fraction. divide the bottom number by the top one and you get your answer (: P.S. its really not about the numbers at all. its more about canceling out the conversions to find the answers(:

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Read 2 more answers

If sin 115° ≈ 0.91 and cos 115° = -0.42, then sin -115° =

EastWind [94]

Answer:

sin -115° = -0.91

Step-by-step explanation:

Point A is (cos 115°, sin 115°). Since cos 115° = -0.42 and sin 115° ≈ 0.91, it means that the coordinates at point A is (-0.42, 0.91).

As for point B which was revolved around -115°,

the coordinates will be similar to point A but you just have to change the negative.

B(cos -115°, sin -115°) = B(0.42, -0.91)