3 years ago

What does reciprocal mean?

1 answer:

kramer3 years ago

3 0

Answer: The answer is C

Step-by-step explanation:Reciprocal length or inverse length is a measurement used in several branches of science and mathematics. ... Quantities measured in reciprocal length include: absorption coefficient or attenuation coefficient, in materials science. curvature of a line, in mathematics. gain, in laser physics.

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A month of the year is selected at random. What is the probability that it has 31 days or starts with the letter J

Sidana [21]

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1/6

Step-by-step explanation:

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3 years ago

A table with 4 legs will sometimes wobble if one leg is shorter than the other three, but a table with three legs will not wobbl

Bas_tet [7]

Hi there.
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3 years ago

Find the measure of the sides of angle ABC with vertices A(1,5), B(3,-2), and C(-3,0). Classify the triangle

Charra [1.4K]

Answer:

$AB=\sqrt{53},\ BC=\sqrt{40},\ CA=\sqrt{41}\\It\ is\ an\ acute\ triangle$

Step-by-step explanation:

The distance between two points $(x_1,y_1),\ (x_2,y_2)$ is given by $\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$ .

Here $A(1,5),\ B(3,-2),\ C(-3,0)$ are the vertices of a triangle.

$AB=\sqrt{(-2-5)^2+(3-1)^2}=\sqrt{(-7)^2+(2)^2}=\sqrt{49+4}=\sqrt{53}=7.28\ unit\\\\BC=\sqrt{(0+2)^2+(-3-3)^2}=\sqrt{(2)^2+(-6)^2}=\sqrt{4+36}=\sqrt{40}=6.32\ unit\\\\CA=\sqrt{(5-0)^2+(1+3)^2}=\sqrt{(5)^2+(4)^2}=\sqrt{25+16}=\sqrt{41}=6.40\ unit$