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Vilka [71]
3 years ago
10

Does anyone know how to do 7a?

Mathematics
1 answer:
Olegator [25]3 years ago
8 0
Calculate the circumference of the two semi circles, which equals a full circle. Then add the two sides of the track.
 Circumference is pi x diameter = 3.14 x 22.8 = 71.592, so, you would need to add 71.592 + 49.2 + 49.2  = 169.992 meters, and that would be the length of one lap of the track.
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Shalnov [3]
The answer would be c.127
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3 years ago
What is the measure of an angle that turns through 3/4 of a complete circle
ANEK [815]
270 degrees this because when you count each angle it is 90 degrees then 180 degrees then 270 
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3 years ago
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En la ciudad la temperatura en la noche fue de 2 grados sobre cero y en la madrugada llegó a 12 grados bajo cero. ¿Qué diferenci
alexgriva [62]

Responder:

La temperatura bajó 12 °

Explicación paso a paso:

Dado que:

Temperatura en la noche = + 2 ° (2

Temperatura de la mañana = - 12 (12 ° bajo cero).

La diferencia de temperatura entre la noche y la madrugada:

Temperatura nocturna - temperatura por la mañana temprano

2 - (-12)

2 + 12 = 14

Hay una diferencia de temperatura de 12 °. La temperatura bajó 12 ° entre la noche y la madrugada.

8 0
3 years ago
If (8^9)p = 8^18, what is the value of p? (4 points)<br><br> 2<br> 9<br> 10<br> 18
EleoNora [17]

Answer:

p is 2.

Step-by-step explanation:

6 0
3 years ago
Right triangle XYZ has legs of length XY = 12 and YZ = 6. Point D is chosen at random within the triangle XYZ. What is the proba
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The "successful" region has half the size of the whole triangle, so by similar triangles, the probability that the area of triangle XYD is at most 12 is 1/4.

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