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Sergeeva-Olga [200]
3 years ago
13

As a contestant on a televised game show, Daniel gets to spin the big prize wheel, which has a diameter of 4 meters. What is the

prize wheel's area?
Mathematics
1 answer:
shusha [124]3 years ago
8 0
Area of a circle = pir^2
The radius is half the diameter so is 2 metres
So r^2 is 4
So the answer is 4pi or 12.57 metres squared
Let me know if you have any questions
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if n represents a number, write an expression for the quantity three less than twice this number divided by the quantity 7 more
Ugo [173]

Answer:

(2n / n^2 + 7) - 3 i think

Step-by-step explanation:

hope this helped a little bit :))

4 0
3 years ago
Can someone help me solve this?
lesya [120]

Answer:

x=45

Step-by-step explanation:

2x+45+x=180 since it is on a straight line

3x+45=180

3x=135

x= 45

4 0
2 years ago
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What is the converse of the following statement?
Scrat [10]

Answer:

i love you

Step-by-step explanation:

5 0
3 years ago
Which of the following z-scores indicates the most extreme observation?
UNO [17]

Answer:

Step-by-step explanation:

Normally Z scores in a std normal distribution curve lie between -3 and 3 comprising more than 99% of total area.

Any entry outside (-3,3) can be considered as an extreme observation.

Here we have hence a) -4.3 is the most extreme observation.

-------------------------

Given that 84 separates the lowest 75% of the scores from the highest 25% of the scores,

This means 84 is the 75th percentile and similarly 65 is the 25th percentile.

Thus we have 84 has the percentile rank of 75

Option C

5 0
4 years ago
64 teams participate in a softball tournament in which half the teams are eliminated after each round of play.
notka56 [123]

Answer:

After 6 rounds one team will win.

Step-by-step explanation:

This is an example of geometric progression,

Let p(n) represents the number of participants remaining after n rounds of play.

First term = 64

\texttt{Common ratio = }\frac{1}{2}

We have

               p(n)=a\times r^{n}\\\\p(n)=64\times \left (\frac{1}{2} \right )^{n}=2^{6}\times \left (\frac{1}{2} \right )^{n}\\\\p(n)=2^{6-n}

Number of teams remaining after n rounds of play, p(n) = 2⁶⁻ⁿ

Here we need to find for what n p(n)=1

           2^{6-n}=1\\\\2^{6-n}=2^0\\\\6-n=0\\\\n=6

After 6 rounds one team will win.

6 0
3 years ago
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