The following equation is used to model the growth of species of grass in mm each day. y=10(1.25x)

Which of the following statements is true?

A The grass was 10mm at the start of the observation

B The grass was 1.25mm at the start of the observation

C The grass will be 11.25mm after day 1

D The grass will be 8.75mm at the end of day 1

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step-by-step explanation:

1+2+3+4+5+6+7+8+9+10 = 55

2*10 = 20

55-20 = 35

step-by-step explanation:

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answer: cos [   arcsin (3/5) - arccos (1/2) ] =

step-by-step explanation: × = 3/5 = 0.6--> x = 36.87 and x = 180 - 36.87 = 143.13 deg

cos y = 1/2 --> y = +- 60 deg a. cos (x - y) = cos (143.13 - 60) = cos 83,13  

=

0.12

b. cos (36.87 - 60) = cos (-23.23) = 0.92