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
Effectus [21]
3 years ago
7

The area of a semicircle is A=1/2(3.14)r^2 solve for r

Mathematics
1 answer:
Inessa05 [86]3 years ago
7 0
First divide bot sides of the formula by 1/2(3.14):-

2A / 3.14 =  r^2

r = sqrt (2A/3.14)
You might be interested in
Find f(x)=x^2-x^3,find f(-10)
Elanso [62]

Answer:

Value of f(-10) is 1100

Step-by-step explanation:

Given that f(x) = x² - x³

Here we need to find f(-10).

 f(-10) =  (-10)² - (-10)³

 f(-10) = 100 - (-1000)

 f(-10) = 100 + 1000

 f(-10) = 1100

Value of f(-10) is 1100

3 0
2 years ago
A researcher at a school of nursing decides to investigate the correlation between a pre- admission HESI examination, high schoo
Nataly_w [17]

Answer: D. Predictive validity

Step-by-step explanation: Predictive validity can be explained as a method of determining the degree or level of correctness of a prediction using pre-existing information or data and values obtained from the actual measurement.

In the scenario above, the researchers investigates the correlation or relationship between the predicted value obtained using a pre- admission HESI examination, high school GPA, and SAT scores and the actual grade received upon completion of the first year. This process is to analyze or determine the validity of our prediction.

4 0
3 years ago
Find the area figure below​
svlad2 [7]

Answer:

Area = 1

Step-by-step explanation:

I;ve attached my work below

Hope it helps, Let me know if you have any questions/concerns !

Have a nice rest of your day :)

5 0
2 years ago
Find the perimeter and area of each figure below
Olin [163]
For b it's 39 because you multiply 5 and 7 giving you 35 then add 4 Wich equals 39. I might be incorrect. check it out.
6 0
4 years ago
point r is at (3, 1.3) and point t is at (3, 2.4) on a coordinate grid. the distance between the two points is
Irina18 [472]
Hello,


d=√((1.3-2.4)²+0²)=1.1
7 0
3 years ago
Other questions:
  • What is the slope of the line that passes through the points (1,1) and(-1,-5)
    9·1 answer
  • Rationalise the denominator of 5√7 / √5
    11·1 answer
  • three brothers shared some oranges in the ratio of 6:4:2,if the brother with the largest share had 150 oranges, find the number
    7·2 answers
  • .   Multiply (x + 3)(x – 3).
    8·1 answer
  • What are the solution(s) of x^2-4=20?
    8·1 answer
  • Jacob’s class had 8 boys and 10 girls. Olivia’s class has 9 boys and 15 girls. Which class has the smaller ratio of boy/girls?
    6·2 answers
  • How many times can 20 go into 140
    13·1 answer
  • Help me I'm stuck on this problem ​
    10·1 answer
  • Scale Factor<br><br> Smaller Figure:<br> Larger Figure:<br> Please please help, no links
    5·1 answer
  • Pls help DUE TODAY (13points)
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!