What does it mean to have a 100% decrease

1 answer:

5 0

Decrease: Make or become smaller in size, amount, intensity, or degrees.

Example: A seed has not has not come out from under the surface of the ground, it finally does starting at 1% until it sprouts and grows into the plant of tree it was suppose to be 100%. To start off at 0 and reach 100 its full amount, size, or life span.

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A musical instrument has a pitch of 220 hertz when the wavelength is 3 feet. When the wavelength is 4 feet, the pitch is 165 her

earnstyle [38]

We know that
Inverse Variation is a relationship between two variables in which the product is a constant
so
let
x------> a pitch of a musical instrument
y------> the wavelength
x*y=k

find the value of k

for x=220 hertz y=3 ft
x*y=k
220*3=k
k=660

for x=165 hertz y=4 ft
x*y=k
165*4=660
k=660

the answer part a) is
the type of variation between pitch and wavelength is an inverse variation

part b) What is the pitch when the wavelength is 5 feet?
x=?
y=5 ft
k=660
x*y=k------> solve for x
x=k/y----------> x=660/5-----> x=132 hertz

the answer Part b) is
132 hertz

4 0

3 years ago

I need help please

nlexa [21]

Answer:

Step-by-step explanation:

No she is not correct because we dont have only one angle angle G is 90.

So we can easily find the angle D

180-(90+41) =49

7 0

2 years ago

Please help with three through 12