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3 years ago

What is the area of right triangle ABC where the dimensions of the two legs

Mathematics

1 answer:

Thepotemich [5.8K]3 years ago

4 0

Answer:

3x^2+17/2x-7

Step-by-step explanation:

area = 1/2 base * height

1/2 (2x+7) (3x-2) you must distribute first.

6x^2-4x+21x-14

3x^2 +17/2x-7

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The speed of radio waves can be approximated to be 299,790,000 meters per second. The wavelength of a particular radio station’s

azamat

Answer:

$f = \frac{299790000 \frac{m}{s}}{3.03 m}= 9890594.06 Hz$

And if we convert to megahertz we got:

$9890594.06 Hz *\frac{1MHz}{10^6 Hz}= 98.9 MHz$

Step-by-step explanation:

For any mechanical wave we have the following general relationship:

$v = \lambda f$

where:

v represent the speed of the wave = 299790000 m/s

$\lambda = 3.03m$ represent the wavelength for the radio station

f represent the frequency of interest

If we solve for the frequency we got:

$f = \frac{v}{\lambda}$

And replacing the values we got:

$f = \frac{299790000 \frac{m}{s}}{3.03 m}= 9890594.06 Hz$

And if we convert to megahertz we got:

$9890594.06 Hz *\frac{1MHz}{10^6 Hz}= 98.9 MHz$

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3 years ago

In a circle, a 90° sector has area 16π ft2. What is the radius of the circle?

Veronika [31]

Sector area = 0.5 * r^2 * angle (in radians)

so:

16 pi = 0.5 * r^2 * (90*pi/180)

r^2 = 16 pi /(0.25 pi) = 64

r = 8

therefore it would be d

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3 years ago

It's ya girl

Agata [3.3K]

Answer:

oki! I hope you don't get banned! But if you come back, that's great! :)

Step-by-step explanation:

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Order the set of integers from greatest to least.<br><br><br><br> {8, 32, 55, 32, 19, 3

dexar [7]

Answer:

55,32,32,19,8,3

Step-by-step explanation:

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atroni [7]

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