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vichka [17]
3 years ago
12

If side a has a length of 3 and side b has a length of 4, use the Pythagorean Theorem to find the length of side c. Round the an

swer to the nearest tenth.
Mathematics
1 answer:
mars1129 [50]3 years ago
7 0
C²=a²+b²
C²=3²+4²
C²=9+16
C²=25
C=5
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Answer:

1/2 mile

Step-by-step explanation:

\frac{2}{3} (\frac{3}{4} )=\frac{6}{12} =\frac{1}{2}

6 0
3 years ago
How many times longer is the wavelength of a sound wave with a frequency of 20 waves per second than the wavelength of a sound w
sergejj [24]

The sound wave with a <u>frequency of 20</u> waves/sec is 800 longer than the wavelength of a sound wave with a <u>frequency of 16,000</u> waves/sec

<h3>Calculating wavelength </h3>

From the question, we are to determine how many times longer is the first sound wave compared to the second sound water

Using the formula,

v = fλ

∴ λ = v/f

Where v is the velocity

f is the frequency

and λ is the wavelength

For the first wave

f = 20 waves/sec

Then,

λ₁ = v/20

For the second wave

f = 16,000 waves/sec

λ₂ = v/16000

Then,

The factor by which the first sound wave is longer than the second sound wave is

λ₁/ λ₂ = (v/20) ÷( v/16000)

= (v/20) × 16000/v)

= 16000/20

= 800

Hence, the sound wave with a <u>frequency of 20</u> waves/sec is 800 longer than the wavelength of a sound wave with a <u>frequency of 16,000</u> waves/sec

Learn more on Calculating wavelength here: brainly.com/question/16396485

#SPJ1

6 0
2 years ago
A man bought 550 oranges at 60 paisa each and 240 oranges at 50 paisa each. If he sold them at the rate of 10 for Rs 9. what was
Hunter-Best [27]

Answer:

hence the profit percent is 58%.

6 0
3 years ago
The fourth graders are going to the
natta225 [31]

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Find the 9th term of the arithmetic sequence with a 10 and d= -1/2
VLD [36.1K]

a=10

d=-1/2

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10+(9-1)(-1/2)

10-4 =6

5 0
3 years ago
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