In triangle LMN, LM = 6, MN = 9, and LN = 7. Find m∠M to the nearest tenth of a degree. A. 50.0 degrees B. 41.8 degrees C. 45.5 degrees D. 87.3 degrees Please help I need it as soon as possible! Thank you

Step-by-step explanation:

In a triangle LMN, we are given te following;

LM = 6

MN = 9

LN = 7

To get the angle m<M, we will use the cosine rule

LN² = LM²+MN² - 2(LM)(MN)cosm<M

7² = 6²+9²-2(6)(9)cosm<M

49 = 36+81-108cosm<M

49 = 117-108cosm<M

49 - 117 = -108cosm<M

-68 = -108cosm<M

cosm<M = -68/-108

cosm<M = 17/27

cosm<M = 0.6296

m<M = cos^-1(0.6296)

m<M  = 50.97

Hence the required angle to nearest tenth is 50.0 degrees

which expression represents the approximate length of bc?

step-by-step explanation:

plants store their excess carbohydrate in the form of starch so that it could be used as energy source later on. the excess carbohydrate is converted into starch in the plastid i.e. chloroplast & this process occurs in the presence of sunlight. it is an insoluble polymer of glucose which gets stored in cell organelles named as amyloplasts. in some plants, starch is also stored in roots and embryos.