You formatted the equation wrong for the setting your calculus on i would recommend using a Ti-34
Add the numbers together and divide it by 2. 1.5 + 7.1 is 8.6. Then divide by 2 to get 4.3
Answer:
2
Step-by-step explanation:
In 30-60-90
The hypotenuse is always the short leg multiplied by 2
So going backward, 4/2 = 2
Answer:
46
Step-by-step explanation:
Divide 69 by 3
69 / 3 = 23
Take it times two.
23 x 2 = 46
Proportion

Cross multiply and solve for x.