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Oxana [17]
3 years ago
15

99 POINTS AND BRAINLIST!!!! BE FIRST WITH THE "RIGHT" ANSWER!!

Mathematics
2 answers:
VladimirAG [237]3 years ago
5 0

Answer:

The answer should be 150 x .20 = 30m/s

Contact [7]3 years ago
5 0

Answer:

Speed = 30 m/s

Step-by-step explanation:

The formula to find the speed of a wave is found by

Speed = Wavelength x Frequency  where the frequency is in HZ and the wavelength is in meters

Speed =  .2*150

Speed = 30 m/s

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3 years ago
FORTY WHOLE POINTS FOR U AND THANKS AND BRAINLIEST AND 5 STARS PLEASE I NEED THIS IM CONFUSED IDK SLOPE IM NOT GOOD AT MATH I NE
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Step-by-step explanation:

8 0
3 years ago
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Work out the mean for the data set below: 5, 3, 3, 6, 2, 5, 2, 4, 7 Give your answer as a fraction in its simplest form.
olga nikolaevna [1]

Answer:

4 1/9

Step-by-step explanation:

Add all of them together. you get 37. Then divide them by how many numbers. You get 4.111 repeating. I then just turned that into a fraction and got 4 1/9

3 0
3 years ago
What is the value of x?<br><br>Enter your answer in the box. <br><br>x =​
balu736 [363]

Answer:

x=3

Step-by-step explanation:

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8 0
3 years ago
Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult tick
kirill115 [55]

Answer:

child's ticket =  4.75        adult ticket=10.75.

Step-by-step explanation:

The cost of an adult ticket is 6 more than that of a child ticket, so will be denoted by c+6. Now, we are told that the cost of four child tickets and two adult tickets is 40.50, so we can put this in an equation and solve for c:

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6c+12=40.50

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c=4.75

Therefore the cost of a child's ticket (c) is 4.75 and the cost of an adult ticket (c+6) is 10.75.

4 0
3 years ago
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