Answer:
A coefficient is an integer that is written along with a variable or it is multiplied by the variable. For example, in the term 2x, 2 is the co-efficient.
Those variables which do not carry any number along with them, have a coefficient 1. For example, the term y has coefficient 1.
Step-by-step explanation:
Answer: negative.
Step-by-step explanation:
We know that the slope of the line ![\frac{\text{change in y}}{\text{change in x}}](https://tex.z-dn.net/?f=%5Cfrac%7B%5Ctext%7Bchange%20in%20y%7D%7D%7B%5Ctext%7Bchange%20in%20x%7D%7D)
Therefore, the slope for the given data![=\frac{y_2-y_1}{x_2-x_1}](https://tex.z-dn.net/?f=%3D%5Cfrac%7By_2-y_1%7D%7Bx_2-x_1%7D)
![\Rightarrow\ Slope=\frac{795-875}{20-10}\\=\frac{-80}{10}\\=-8...,\text{which is negative.}](https://tex.z-dn.net/?f=%5CRightarrow%5C%20Slope%3D%5Cfrac%7B795-875%7D%7B20-10%7D%5C%5C%3D%5Cfrac%7B-80%7D%7B10%7D%5C%5C%3D-8...%2C%5Ctext%7Bwhich%20is%20negative.%7D)
Hence, the word which describes the slope of the line representing the data in the table = negative.
Longer wavelength means lower frequency (lower pitch)
Well we know that sin(angle) = opposite/hypotenuse. using the angle of 38 degrees we see that the opposite is 24 and the hypotenuse is x. So we fill in equation:
sin (38) = 24/x
x *sin (38) = 24
x = 24/ sin (38)
x = 38.98
x = 39.0