Find the area of the semicircle.Either enter an exact answer in terms of or use 3.14 for and enter your answer as a decimal.

Answers

Answer 1

Answer:

Answer:

I suggest that you add something for me to find

Step-by-step explanation:

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ken is thinking of a number. nine more than the product of 4 and the number r is 73. find Ken's number
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200 songs, 24 are country. what percentage are country songs?

CAN SOMEBODY HELP ME WITH THIS PROBLEM PLZZZ

Answers

Answer:

308

Step-by-step explanation:

The answer is 308 feet

Answer:

Step-by-step explanation:

Make an equation using the law of sines.

sin(72)/x = sin(18)/100

Then solve for x.

x = 308

60 out of 300 Cds are classical music. what percent are of the cds are classical music cds

Answers

Reduce them.
60/10=6
300/10=30
30/6=1/5!
1/5 of 100 is 20.
20% of those CD's are Classical Music.

Given: ∠1 ≅ ∠2Prove: a ∥ b

What is the missing statement in the proof?

∠1 ≅ ∠2

a ⊥ b

a ∥ b

∠1 ≅ ∠4

Answers

The missing statement in the proof is ∠1 ≅ ∠4.

Solution:

(1) Given ∠1 ≅ ∠2

(2) ∠1 and ∠4 are vertical angles.

Vertical angle theorem:

If two angles are vertically opposite then they are congruent.

By vertical angle theorem,

⇒ ∠1 ≅ ∠4

(3) Transitive property of congruence:

If A = B and B = C, then A = C.

From (1) and (2), ∠2 ≅ ∠4.

(4) If two lines and a transversal form congruent corresponding angles, then the lines are parallel.

Therefore line a || line b.

⇒ a || b.

Hence the missing statement in the proof is ∠1 ≅ ∠4.

mark an fred had some money in the ratio 6:1. mark gave half of his money to fred . what is the ratio of the amount of money mark had left to the amount mark had let to the amount of money fred had left

Answers

The requried ratio of the mark let to the amount of money Fred had left is 3:4.

What is the Ratio?

The ratio can be defined as the proportion of the fraction of one quantity towards others. e.g.- water in milk.

Here,
mark an Fred had some money in the ratio 6:1. Mark gave half of his money to Fred.
Total proportion of money = 6 + 1 = 7,
Now,
assume that Mark has 6 coins and Fred has 1 coin,
Mark giving half of his coin to Fred means mark give 3 coins to fred,
Now,
Mark has 3 coins and Fred has 4 coins,
the ratio is given as
= 3 / 4

Thus, the requried ratio of the mark had left to the amount of money fred had left is 3:4.

Learn more about ratio here:

brainly.com/question/13419413

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The answer I believe is 3:4 but I'm not for sure

Complete the three-by-three magic square (that is,the sums of the numbers in each row, in each column and in each of the diagonals are the same) using

Answers

$\displaystyle\n\text{We will use numbers from 1 to 9.}\n\n1+2+3+4+5+6+7+8+9=(9(9+1))/(2)=(9*10)/(2)=(90)/(2)=\boxed{\bf45}\n\n\text{the sums of the numbers in each row, in each column are }=(45)/(3)=\boxed{\bf15}\n\n\text{Solution:}\n\n\boxed{\,2\,}\boxed{\,7\,}\boxed{\,6\,}\n\boxed{\,9\,}\boxed{\,5\,}\boxed{\,1\,}\n \boxed{\,4\,}\boxed{\,3\,}\boxed{\,8\,}\n\n\text{Convenient rotation of the square gives 8 solutions.}$