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Luden [163]
3 years ago
12

What is the area of the following circle r=2

Mathematics
1 answer:
denpristay [2]3 years ago
8 0

Answer:

12.57

Step-by-step explanation:

\pi r^2\\\pi (2)^2\\=12.57

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The errors in predicting hurricane tracks are given in nautical miles. A statutory mile is 0.86898 nautical mile. Most people li
trasher [3.6K]

Answer:

The prediction error is calculated as the difference between the actual value and the predicted value of the hurricane tracks.

the actual and the predicted value can then be converted into stationary miles

Step-by-step explanation:

The prediction error is calculated as the difference between the actual value and the predicted value of the hurricane tracks.

Now,

both the values i.e the actual and the predicted value can then be converted into stationary miles using the conversion factor without changing the association with the year,

Hence,

it will do the same for the Prediction error.

5 0
3 years ago
Please someone please help, will mark you Brainliest
Gnoma [55]

Answer:

Step-by-step explanation:

Community gym

=> membership fee = $50

=> monthly fee = $55

=> First month = 105$

=> 50 + 55(x)

=> 50 + 55 (15)

=> 50 + 825

=> 875

Workout gym

=> membership fee = $200

=> monthly fee = $45

=> First month = 245$

=> 200 + 45(x)

=> 200 + 45(15)

=> 200 + 675

=> 875

On the 15th month, community gym and workout gym will both get the same amount of $875.

4 0
3 years ago
Read 2 more answers
5.which of the following ordered pairs is a solution of the given system of linear equations
liq [111]

Answer:

the answer is d

Step-by-step explanation:

answers are shown

4 0
3 years ago
The volume of a right circular cylinder is 1100 cm3 and the radius of its base is 5 cm. Calculate its curved surface area.
Scorpion4ik [409]

Answer:

  • (C) 440 cm²

Step-by-step explanation:

<u>Volume:</u>

  • V = πr²h

<u>Given r = 5 cm and V = 110 cm³, find h:</u>

  • 1100 = π(5²)h
  • 1100/25 = πh
  • 44 = πh

<u>Curved surface area:</u>

  • S = 2πrh = 2*5*πh = 10*44 = 440 cm²

Correct choice is C

3 0
3 years ago
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A train traveled 63.75 miles at a rate of 85 miles per hour. Which equation can be used to find h, the number of hours it took t
sashaice [31]

Answer:  63.75 = 85h

Solving gives 0.75 hours.

Step-by-step explanation:

we now that speed = distance / time

therefore time will be Distance / speed

Given that distance = 63.75miles

Speed= 6=85miles per hour

Time(h) = 63.75miles/ 85.---- equation 1

But from the options given, the equation that can also  be used to find number of hours is

63.75 = 85h

such that making h subject of formula  still give us

h= 63.75/85  as in equation 1 above

solving gives that Time ( h) = 0.75 hours .

8 0
3 years ago
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