1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
spayn [35]
3 years ago
8

A circle with a radius of 5 cm has an area of 25π cm2. Which is the best approximation for the area of one-half of this circle?

A. 39.3 cm2 B. 8.9 cm2 C. 19.6 cm2 D. 12.5 cm2
Mathematics
1 answer:
kotegsom [21]3 years ago
4 0

Answer:

A

Step-by-step explanation:

π=3.14159...

Full circle are 25π cm² = 25*3.14=78.5 cm²

Half 78.5 cm²/2 = 39.25 cm²

You might be interested in
In an RPG game, each player can choose among 5 basic classes: Mage, Warrior, Archers, Priests, Monks. Each basic class can advan
grigory [225]

Answer:

In RPGs a Character Class is a designation that determines a player's abilities and fighting style (and depending on the game possibly even their origin, education, and home area) often in the form of a job or archetype. A character class is defined by the abilities that it lends to a character — as such, two different characters with the same class are theoretically interchangeable, in that they have the same "power set" and can play the same role in gameplay because of their similar abilities. However, character class systems can come with varying levels of customization — ranging from characters of a given class being literally identical to having so much variety that character class is no longer even a good indicator of that character's abilities. While most common in fantasy Role-Playing Games, they have recently began to appear in other genres, such as trading card games and MOBAs.

Step-by-step explanation:

7 0
2 years ago
Solve the equation 23(9+x)=−5(4−x).
NemiM [27]

Answer:

x= -\frac{277}{18}

Step-by-step explanation:

7 0
2 years ago
Poate cineva să rezolve vă rog îmi trebuie urgent până la 16:30<br> Măcar câteva din ele
Natalija [7]

Answer:

I dont speak that

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Find the range of the function y= 9x-2, where x&gt;-2
RideAnS [48]

Answer:The given function is .Minimum or maximum value:At the extremum (maximum or minimum) value, the function will have zero slope. So, differentiate the given function once and equate it to zero to get the extremum point.dy/dx=0Now, check whether the point x=0 is corresponding to the maximum value or minimum value by differentiating the function twice,As  for all value of x, so x=0 is the point corresponding to minima.Put x=0 in the given function to get the minimum value.Domain and range:The function defined for all the values of the independent variable, x.So, the domain is .The range of the function is the possible value of y.The minimum value, for x=0, is y=7.The maximum value, as .Hence the range of the function is .The value of x for which the function is increasing and decreasing:If the slope of the function is negative than the function is decreasing, soThen, from equation (i), the value of x for which dy/dx<0,18x<0Hence, the function is decreasing for  .While if the slope of the function is positive than the function is increasing, soThen, from equation (i), the value of x for which dy/dx<0,18x>0Hence, the function is increasing for 

Step-by-step explanation:hope this helps

8 0
2 years ago
A rectangular prism has dimensions of 2 ft, 4 ft, and 6 ft. If the dimensions are doubled, what would happen to the volume?
kondor19780726 [428]

Answer:

Volume is increased in a factor of 8. The volume is increased from 48\,ft^{3} to 384\,ft^{3}.

Step-by-step explanation:

The formula for the volume of the rectangular prism is:

V = w\cdot h \cdot l

Where:

w - Width

h - Height

l - Length

If dimensions are doubled, then volume is increased in a factor of 8:

V_{f} = (2\cdot w)\cdot (2\cdot h)\cdot (2\cdot l)

V_{f} = 8\cdot w \cdot h \cdot l

V_{f} = 8 \cdot V_{o}

The volume is increased from 48\,ft^{3} to 384\,ft^{3}.

3 0
3 years ago
Other questions:
  • What is the answer to this problem
    13·1 answer
  • If triangle abc is congruent with triangle DEF, then the measure of angle b is:
    8·2 answers
  • A door delivery florist wishes to estimate the proportion of people in his city that will purchase his flowers. Suppose the true
    9·1 answer
  • If the y-intercept of the function y=4x-7 were increased by 10 what would be the equation of the new function
    7·2 answers
  • A circular swimming pool has a diameter of the 26 feet.
    5·2 answers
  • ((Please help))<br><br> Sales Price $21, 30% off<br> Find Regular Price
    6·2 answers
  • Can someone give me the answer it’s due tomorrow!!!
    7·2 answers
  • A 16 ​-oz iced tea at a certain restaurant has 80 calories. How many calories are there in a 24​-oz iced​ tea?
    11·2 answers
  • Write an even number between 7 and 16 draw a picture and the write a sentence to explain why it is an even number
    15·1 answer
  • What is the area of a parallelogram with a base of 7 meters and a height of 6 meters?
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!