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algol13
3 years ago
11

Solve the equation and check your answer 6 1/2=1 1/4 +n

Mathematics
1 answer:
Damm [24]3 years ago
8 0

The answer 5 (1/4) because if you add 1 and a quarter to it then that would make it 6 and a half

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Question 6
oee [108]

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The answer is 200km

Step-by-step explanation:

250\5=50,50×4=200

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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
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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
1 year ago
Of the 200 packages of bagles sold, 15 of them are sesame seed bagels. What percent of the bagel packages sold are sesame seed b
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It is 7.5%.

Step-by-step explanation:

15 x

200 100

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6 0
3 years ago
Read 2 more answers
Shannon earned $12.75 per hour plus an additional $100 in tips waiting tables on Saturday evening. She earned $235 in all. To th
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Answer:

The least number of hours that she would have to work is 11.

Step-by-step explanation:

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"12.75x= 135". Then, divide both sides of the equation by 12. 75x, and the equation turns out to say, "x=10.59".

8 0
3 years ago
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