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ale4655 [162]
3 years ago
11

Sound waves entering an area of warmer air

Mathematics
1 answer:
Delvig [45]3 years ago
7 0

Answer: Sound waves entering a warmer air means that the kinetic energy of the air particles will increase and thus the vibration of particles will be increased and thus the speed of transmission of sound waves increases.

Step-by-step explanation:

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A tank starts out with 860 gallons of liquid. A pump adds liquid to the tank at a constant rate. After 8 hours, the tank contain
lozanna [386]

Answer:

The answer is 22.

Step-by-step explanation:

if it started with 860 and in 8 hours it has 1036 then you would subtract 1036 - 860 which is 176 and that divided by 8 is 22. hope that helps. :)  

4 0
3 years ago
Read 2 more answers
Sorry about the last question i forgot to put the picture but i need help cause i don't get it
kupik [55]

Answer:

21:8

Step-by-step explanation:

<u>Given information:</u>

Lori (x) is 8 years old.

In 5 years (x + 5), Philip will be twice Lori's age (y + 5 = 2(x + 5))

<u>The missing value, y, is needed to find the ratio for Lori's and Philip's ages in the present. To find y, solve this equation:</u>

y + 5 = 2(x + 5)   First, distribute the 2 into x + 5.

y + 5 = 2x + 10   Next, isolate the variable y by subtracting 5 from both sides.

y = 2x + 5           After that, add in the value of x, 8.

y = 2(8) + 5         Finally, simplify the right side to find Philip's age.

y = 16 + 5

y = 21

<u>Now for the easiest part: The ratio of Philip's age now to Lori's age now.</u>

because 21 is not divisible by any of 8's factors, the current ratio of 21:8 cannot be simplified further.

So, the ratio is 21:8

6 0
3 years ago
The sum of 5 consecutive odd numbers is 145
xeze [42]

The sum of 5 consecutive odd integers is 145. These are the other 4 consecutive odd numbers. Now if we add all of these up we will get this : 25 + 27 + 29 + 31 + 33 = 145.

Hope I helped! ☺☼

8 0
3 years ago
a factory makes parts for toys in different quantities,as shown in the table. how much would 11 part cost?
Paraphin [41]

Answer can you show use the graph then i would be able to answer it


5 0
3 years ago
Which of the following gives all of the sets that contain Negative one-half?
stepladder [879]

Answer:

The answer is A

Step-by-step explanation:

A-the set of all rational numbers and the set of all real numbers

Have a great day!!!      :)

3 0
3 years ago
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