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jonny [76]
3 years ago
13

In which case would it be necessary to find the area of this circle

Mathematics
1 answer:
9966 [12]3 years ago
7 0
You need to know the area if you're going to
  1st selection: cover the surface of the dartboard.
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Pleaseee help me asap
pychu [463]

Answer:

k = 13.5

Step-by-step explanation:

Setup proportion and solve for k:

\frac{k}{9} =\frac{4.5}{3} \\3k = 40.5\\k=13.5

8 0
3 years ago
If a aquadrilateral is equiangular, then it coul be a .....
kupik [55]

Answer:

Square

Answer A is correct

8 0
3 years ago
Read 2 more answers
A ball is thrown straight up with a initial velocity of 56 feet per second . The height , h , of the ball t seconds after it is
Tju [1.3M]

<span>Formula: H(t) = 56t – 16t^2   </span>

H(t) = - 16t^2 + 56t

<span><span>A.      </span>What is the height of the ball after 1 second? H (1) = 56(1) – 16(1) ^2 = 40 pt.</span>

<span><span>B.      </span>What is the maximum height? X = - (56)/2(- 16) = 1.75 sec h (1.75) = 56(1.75) – 16(1.75) ^2 h (1.75) = 49ft.</span>

<span><span>C.      </span><span>After how many seconds will it return to the ground? – 16t^2 + 56t = 0   - 8t =0 t = 0</span></span>

<span><span>-          </span><span>8t (2 + - 7) = 0     2t – 7 = 0  t = 7/2   Ans: 3.5 seconds</span></span>

3 0
3 years ago
A coin is tossed, and a die is rolled. Find the probability of getting heads and then rolling a 6.
Colt1911 [192]

Answer:

1/2 and 1/6

Step-by-step explanation:

8 0
3 years ago
A car travels 20 1/2 miles in 2/3 of an hour. What is the average speed, in miles per hour, of thr car?
zmey [24]

Answer:

27.33333... mph

Step-by-step explanation:

Find 1/3 of 20 1/2: 1/3*41/2=41/6

That equals 6.83333...

Now add 20 1/2 and 6.83333 = 27.3333...

Therefore, 27.33333... mph

3 0
3 years ago
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