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Assoli18 [71]
3 years ago
14

A spinner is divided into 10 equal sections numbered 1 through 10. If the arrow is spun twice, what is the probability the first

number will be even and the second number will be odd?
Mathematics
2 answers:
Sergio039 [100]3 years ago
6 0
Probability of first number being even : 5 even numbers...10 equal sections...probability is 5/10 or 1/2

probability of 2nd number being odd : 5 odd numbers...10 equal sections...so probability of both is 5/10 or 1/2

probability of both occurring : 1/2 * 1/2 = 1/4 <== (or 25% if u need it in percent form or 0.25 if u need it in decimal form)
mylen [45]3 years ago
5 0
\text{p(n%2) = 0 AND p(n%2)} \neq 0
\text{Event 1} = \frac{5}{10} = 0.5
\text{Event 2} = \frac{5}{10} = 0.5
\text{Event 1 * Event 2} = 0.5 * 0.5 = 0.25 \text{
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Answer:

<h2>140°</h2>

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Let <DEF= x°

<CDE= 2x°

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90 + 145 + 115 + 2x + x + 160 = 720 \\ 510 + 3x = 720 \\3x + 510 = 720 \\ 3x + 510 - 510 = 720 - 510 \\ 3x = 210 \\  \frac{3x}{x}  =  \frac{210}{3}  \\ x = 70 \: degree

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< \: cde = 2x \\  \:  \:  \:  \:  \:   \:  \:  \:  \:  \:  \:  \:  = 2 \times 70 \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 140 \: degree

Hope this helps...

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4 0
3 years ago
GUYS CAN YOU PLEASE HELP ME? Write an equation for each word problem.
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1. 584x3=1752
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Answer: 58unit²

Step-by-step explanation:

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please click thanks and mark brainliest if you like :)

4 0
3 years ago
Can someone help me with number 10, 11, 12, 15, and 16 I don’t understand them thanks
yanalaym [24]

10)

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11)

8(\frac{16}{4} )+2^2-11*3=32+4-33=3

12)

(\frac{6}{3} +4)^2:4*7=(2+4)^2:4*7=6^2:4*7=36:4*7=9*7=63

13) (your answer is incorrect)

5(9-4)^2-3^2=5*5^2-3^2=5*25-9=125-9=116

14) (your answer is incorrect)

5^2-2^2*4^2-12=25-4*16-12=25-64-12=-51

15)

(\frac{50}{5^2} )^2:4=(\frac{50}{25} )^2:4=2^2:4=4:4=1

16)

\frac{24+32+30+28}{2}-expression to represent this situation

\frac{24+32+30+28}{2}=\frac{114}{2}=57

Answer: In 1 group 57 students

/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\

P.S. Hello from Russia :^)

4 0
3 years ago
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