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andreev551 [17]
3 years ago
12

4.) The average area of a living room in the United States is 330

Mathematics
1 answer:
lorasvet [3.4K]3 years ago
8 0

Answer:

82.5

Step-by-step explanation:

330/4=82.5

there are 4 sides to a square and they are even this means that you need to divide it by 4 to get the dimensions.  If you multiply 82.5 by itself it will equal 330 meaning that is the answer.

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Identify this conic section. 16y = x^2
kiruha [24]

ANSWER

A parabola.

EXPLANATION

The given conic is :

16y =  {x}^{2}

This can be rewritten as:

{x}^{2}  = 16y

{x}^{2}  = 4(4)y

This is a parabola with the vertex at the origin.

The foci is (0,4)

Therefore the given conic section is a parabola that has an axis of symmetry parallel to the y-axis.

7 0
3 years ago
The frequency of vibrations of a vibrating violin string isgiven by
arlik [135]

Answer:a. [tex] $f\propto  L$ [\tex]

b. [tex] f \propto \sqrt{T} [\tex]

c. [tex] f \propto \frac{1}{\sqrt{P}} [\tex]

I. Decrease in length increases leads to increase in pitch.

II. Increase in tension leads to increase in pitch.

III. Increase in linear density reduces the pitch

Step-by-step explanation: I. Since the frequency is inversely proportional to the length increase in length leads to decrease in frequency likewise decrease in length leads to increase in frequency.

II. Since the frequency is directly proportional to the square root of the tension increase in tension leads to increase in frequency likewise decrease in tension leads to decrease in frequency.

III.since the frequency is inversely proportional to the square root of the linear density so increase in linear density leads to decrease in frequency and likewise decrease in linear density leads to increase in frequency.

7 0
4 years ago
Ross calculated the missing side length of one of these triangles using the Pythagorean Theorem. Which triangle was it?
sveta [45]
It would be triangle E
3 0
3 years ago
Read 2 more answers
Radian and degrees PLZ HELP
Katen [24]
To convert the angle in radian measure to degree measure, multiply it by 180/π.

The given angle in radian measure is 257π/360 . Multiply it by 180/π to get the angle in degrees.

So,

The angle in degrees = 257π/360  x 180/π = 257/2 = 128.5 degrees
4 0
3 years ago
What is the area of an isosceles trapezoid if the length of its shorter base is 18 cm, the length of an altitude is 9 cm, and th
Nimfa-mama [501]
Check the picture below.

since we know the acute angle is 45°, that angle with the bottom base and the slanted line and the altitude make a 45-45-90 triangle, and thus we can get the value of that section at the bottom, as you see in the picture, thus the longer base is 9 + 18 + 9, or 36.

\bf \textit{area of a trapezoid}\\\\
A=\cfrac{h(a+b)}{2}~~
\begin{cases}
a,b=\stackrel{bases}{parallel~sides}\\
h=height\\
---------\\
a=18\\
b=36\\
h=9
\end{cases}\implies A=\cfrac{9(18+36)}{2}
\\\\\\
A=\cfrac{9(54)}{2}\implies A=243

7 0
3 years ago
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