MATHEMATICS HIGH SCHOOL

A round barbecue pit is 2 meters in diameter. What is the distance around the barbecue pit? A. 3.14 meters
B. 12. 56 meters
C. 6.28 meters
D. 18.84 meters

Answers

Answer 1
Answer: The length of a circle is equal to 2π * diameter/2, where π = ~3.14. In our case we have 2*(~3.14) = 6.28 meters. So the correct answer is C.

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What is the elapsed time between 2:16 AM and 8:10 PM

Answers

So we wan't to know how much time has passed from 2:16 AM till 8:10 PM. If we know that one day has 24 hours and that AM and PM are two 12 hour periods we can say the following: 2:16 AM is 2:16 h in the 24 hour cycle. and 8:10 PM is 20:10 h in the 24 hour cycle. so from 2:16 hours to 20:10 hours there is a time interval of 17 hours and 54 minutes.
17 hours and 54 minutes

A can of spaghetti has a diameter of 12 cm and a height of 16 cm. The can contains spherical meatballs, each with a radius of 3 cm, that take up 25% of the volume.How many meatballs are in the can?

Use 3.14 to approximate pi and express your answer as a whole number.

Answers

Hey there, the radius of the can is 1/2 of 12 cm=6 cm, the volume of the can is pi r^2h=Pi 6^{2}16=1809.5573cm3, Now, the volume of the meatball is 4/3 pi r^{3}=4/3 pi 3^{3}=113.09734, Then, 25% of the can=1809.5573/4=452.389325, The meatballs in area=25% of can over volume of meatballs=452.389325/113.09734=4 meatballs, Therefore, the answer is 4 meatballs.

In dry air at a temperature of 68 F, sound travels at the speed of 767 mph or 1125 ft/sec. How many seconds does it take sound to travel 1 miles (5280 ft) in air?

Answers

Answer:

The answer is 4.69 sec

Step-by-step explanation:

We know time taken = distance / speed

here 1 mile = 5280 feet , so 767 mph = 767x 5280 feet /( 60x60 ) s = 1124.93 feet / sec .

now , time taken Time = (5280)/(1124.933)= 4.69 sec

It will take 4.69 sec for the sound to travel 1 mile or 5280 feet .

Which point is the image of Q ?
A
B
C
D

Answers

It’s d hope it helps

A train travels with a constant speed of 108 km/h. How long will it take to travel a distance of 270 kilometers? PLEASE HELLLLLLPPPP THERE BRAINLIEST

Answers

Answer:

The answer is 2.5 hours. That's how long it would take the train to travel 270 kilometers.

mark me brainliest!

Which equation represents a nonlinear function?

Answers

Answer:

B

Step-by-step explanation:

The others are of the form y=mx+c which is the definition of a linear function
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