4 years ago

Someone pls help!!!!

Mathematics

2 answers:

Ray Of Light [21]4 years ago

7 0

Answer:

Step-by-step explanation:

almond37 [142]4 years ago

6 0

Answer:

11.1

Step-by-step explanation:

sin48=x/15 (x is over 15)

then multiply each side by 15 and it cancels on the right.

you should be left with:

15sin48=x

type that in desmos and you should get:

11.1471723822

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$\text{The formula of a volume of a cylinder}\\\\V=\pi r^2h\\\\\text{We have}\ V=141.3\ \text{and}\ r=3.\ \text{Substitute}\\\\\pi(3^2)h=141.3\\\\9\pi h=141.3\qquad|\text{divide both sides by}\ 9\pi\\\\h=\dfrac{141.3}{9\pi}\qquad|\text{use}\ \pi\approx3.14\\\\h=\dfrac{141.3}{9\cdot3.14}\\\\h=\dfrac{141.3}{28.26}\\\\\boxed{h=5}$