Which values are solutions to the inequality below? Check all that apply.x2 < 81
2 answers:
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Answer:
x = 48/7
Step-by-step explanation:
There's two good ways to do this problem.
Option 1:
Translate "x varies directly as y" into the equation y=kx
Then you have to find k. After you "reset" your y=kx equation, fill in k and then solve for x. See image.
Option 2:
Translate "varies directly" into a proportion, which is two fractions equal to each other:
x/y = x/y
Fill in the three numbers given and cross multiply and solve to find the fourth number. See image.
Answer:
x = 36.3°
using tane rule:
Here!
- x = missing angle
- opposite = 22
- adjacent = 30
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( rounded to nearest tenth of a degree)