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Mnenie [13.5K]
3 years ago
8

How to find the area​

Mathematics
2 answers:
Naddik [55]3 years ago
8 0

Answer:

Area of a square: side × side

Area of a circle: πr^{2}  

Area of a triangle: \frac{1}{2}bh (1/2 × base × height)

Tresset [83]3 years ago
5 0

Step-by-step explanation:

multiple height by width

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What is the answer to 13 in precise detail?
lyudmila [28]

Well, I don't know.  Let's see . . . . .

First draw: One 'M' available out of 11 letters.   Probability of picking it = 1/11.
2nd draw:  Four 'I's available out of 10 letters.  Probability of picking one = 4/10.
3rd draw:  Four 'S's available out of 9 letters.   Probability of picking one = 4/9.
4th draw:  Three 'S's available out of 8 letters. Probability of picking one = 3/8.
5th draw:  Three 'I's available out of 7 letters.  Probability of picking one = 3/7.
6th draw:  Two 'S's available out of 6 letters.   Probability of picking one = 2/6.
7th draw:  One 'S' available out of 5 letters.     Probability of picking it = 1/5.
8th draw:  Two 'I's available out of 4 letters.     Probability of picking it = 2/4.
9th draw:  Two 'P's available out of 3 letters.   Probability of picking one = 2/3.
10th draw: One 'P' available out of 2 letters.   Probability of picking it = 1/2.
11th draw: One letter left.  It is an 'I'.  Probability of picking it = 1 .

Probability of all of those draws in order =

    (1/11) x (4/10) x (4/9) x (3/8) x (3/7) x (2/6) x (1/5) x (2/4) x (2/3) x (1/2) x (1) =

           1,152 / 39,916,800 =

                 1 / 34,650 =

                                     0.00002886 =

                                   <em>  0.002886 percent</em> (rounded)

Not a good bet.  (But better than the lottery.)


7 0
4 years ago
144<img src="https://tex.z-dn.net/?f=%5Csqrt%7Bx%7D" id="TexFormula1" title="\sqrt{x}" alt="\sqrt{x}" align="absmiddle" class="l
Tema [17]
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5 0
3 years ago
What is the value of x ?
Naddika [18.5K]

Answer:

x = 108°

Step-by-step explanation:

x + 2/3 x = 180°

1 2/3x = 180°

5/3 x = 180°

180 * x = 540

540 / 5 = 108

x = 108°

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

6 0
3 years ago
Which of the following would be considered a valid measure of an individual's intelligence? his or her age the researcher's opin
Taya2010 [7]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
Among the choices the one that  would be considered a valid measure of an individual's intelligence is <span>the number of years of school that the individual has completed</span>

8 0
3 years ago
50% of babies are born female Oliver wants to find the probability that 20 or more of the 50 babies born today were female if we
jarptica [38.1K]

Solution:

Number of babies which are female = 50%=\frac{1}{2}

So, if Population of 50 is considered , and 50% of population is female then  out of 25 must be female.

Population of female can't exceed 25.

Probability of an event = \frac{\text{Total favorable outcome}}{\text{Total Possible outcome}}

 Probability that 20 or more of the 50 babies born today were female

    =  _{20}^{50}\textrm{C}\times [\frac{1}{2}]^{20} \times [\frac{1}{2}]^{30}+_{21}^{50}\textrm{C}\times [\frac{1}{2}]^{21} \times [\frac{1}{2}]^{29}+_{22}^{50}\textrm{C}\times [\frac{1}{2}]^{22} \times [\frac{1}{2}]^{28}+_{23}^{50}\textrm{C}\times [\frac{1}{2}]^{23} \times [\frac{1}{2}]^{27}+_{24}^{50}\textrm{C}\times [\frac{1}{2}]^{24} \times [\frac{1}{2}]^{26}+ _{25}^{50}\textrm{C}\times [\frac{1}{2}]^{25} \times [\frac{1}{2}]^{25}

Simulation of the Above Situation

If we use a double sided coin and a sign heads us females and Tails as males,Toss the coin 50 times , number of times Heads comes shows number of females born and number of times tails appears shows Population of men.

It may not happen that Number of heads =Number of tails if we toss the coin 50 times.So if number of tosses increases the chances are more likely that , number of heads= Number of tails. But for above problem we just have to toss coin 50 times only, that is

Number of males = Number of females


8 0
4 years ago
Read 2 more answers
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