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igomit [66]
2 years ago
10

Which speed is at the sound barrier plz tell meh will mark brainless

Mathematics
2 answers:
vovangra [49]2 years ago
7 0

Answer:

<em>343 metres per second </em>

<em>In dry air at 20 °C (68 °F), the speed of sound is 343 metres per second (about 767 mph, 1234 km/h or 1,125 ft/s).</em>

<em></em>

strojnjashka [21]2 years ago
7 0

Answer:

your answer is 343 mps. THIS IS 100% THE CORRECT ANSWER!

hope I helped! :)

Step-by-step explanation:

I got it correct on my quiz

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When The Product of 15 and 40 is divided by the sum of 15 and 45 what is the quotient?
BaLLatris [955]

Answer:

10

Step-by-step explanation:

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solve inside the parenthesis:

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10

6 0
2 years ago
Explain how you decide whether the final answer to a multiplication problem is
Evgesh-ka [11]

Explanation:

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In the example, 3 of the factors are negative. 3 is an odd number so the product will be negative.

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8 0
2 years ago
Hi can you please help me​
astra-53 [7]

Answer:

<h2>Area = 90 cm²</h2><h2>Perimeter = 53 cm</h2>

Step-by-step explanation:

area and perimeter of the given diagram

<u>area = 1/2 * base * height</u>

where base = 15 cm

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area = 1/2 * 15 * 12

area = 90 cm²

<u>Perimeter = add up all sides (AB + AC + BC)</u>

where side BC = √(5² + 12²)

                   BC = 13 cm

Perimeter = 25cm + 15 cm + 13 cm

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6 0
2 years ago
Y=x+ 5 <br>y = 6<br>HELP!!<br>Solve this system of equation algerbraically.​
kati45 [8]

Answer:

x = 1

Step-by-step explanation:

plug y = 6 on to the equation y =x + 5

=> 6 = x +5

=> x = 1

5 0
3 years ago
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Ulleksa [173]

Answer:

a

Step-by-step explanation:

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3 years ago
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