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Mariulka [41]
3 years ago
6

URGENT! Please Help me solve this question with the Steps

Mathematics
1 answer:
Fofino [41]3 years ago
6 0

Answer:

Step-by-step explanation:

(p^{\frac{1}{2}})^3=p^{\frac{1*3}{2}}=p^\frac{3}{2}\\\\\sqrt{p^6}=p^\frac{6}{2}=p^\frac{1}{3}\\\\(p^{\frac{1}{2}})^3\sqrt{p^6}=p^\frac{3}{2}p^\frac{1}{3}=p^{\frac{3}{2}+\frac{1}{3}}=p^\frac{11}{6}

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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
Evgen [1.6K]
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
3 0
4 years ago
Plz help I’ll mark brainliest
jeka94

Answer:

<h3>x = 22.62°</h3>

Step-by-step explanation:

To find the measure of angle x we use cosine

\cos( \alpha )  =  \frac{adjacent}{hypotenuse}

From the question

PO is the hypotenuse = 13

The adjacent is 12

Substitute the values into the above formula

That's

\cos(x)  =  \frac{12}{13}

x =  \cos^{ - 1} ( \frac{12}{13} )

x = 22.6198

We have the final answer as

<h3>x = 22.62° to the nearest hundredth</h3>

Hope this helps you

3 0
3 years ago
Read 2 more answers
What is the best next step in the construction of perpendicular bisector of AB?
Serhud [2]

Answer:

I think the answer should be B

4 0
3 years ago
Free pts!! Have a great day!
alukav5142 [94]

<em><u>Thanks !</u></em>

<em><u>Have a great day you too !! </u></em>

4 0
3 years ago
There are 4 white and 8 red roses in a bouquet. Find the ratios.
kramer

Answer:

1a) 1:2

1b) 2:3

Step-by-step explanation:

1a) 4:8 = 1:2

1b) 4 white and 8 red means 12 total so ratio for red would be 2:3

3 0
4 years ago
Read 2 more answers
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