Answer:![\frac{13}{21}](https://tex.z-dn.net/?f=%5Cfrac%7B13%7D%7B21%7D)
Step-by-step explanation:
2( N+ 17) = 3 (N +7)
2N+ 34= ·3N+ 21
N= 13
D= N+8 = 13+8 = 21
Fraction is ![\frac{13}{21}](https://tex.z-dn.net/?f=%5Cfrac%7B13%7D%7B21%7D)
When Im using N is equal to numerator and D for denominator, in order to get the fraction we substitute and the results combine in the fraction like this ![\frac{N}{D}](https://tex.z-dn.net/?f=%5Cfrac%7BN%7D%7BD%7D)
Answer:
each flower is 8 dollars
Step-by-step explanation:
Answer:
14) 21.136505024965 m
15) 43.076759215619 km
Step-by-step explanation:
14)
let h be the height of the lighthouse:
tan(41.3) = 18.7/h
Then
h = 18.7÷tan(41.5)
= 21.136505024965 m
………………………………………
15)
90-71.4 =18.6
Let s be the distance that the plane flew
towards the south:
tan(90 - 71.4) = s/128
Then
tan(18.6) = s/128
Then
s = tan(18.6)×128
= 43.076759215619 km
That would mean you got 7 right. 7/10 or 70% would be your grade.