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Alexeev081 [22]
3 years ago
14

Choose a number between 61 and 107 that is a multiple of 4,5, and 10

Mathematics
2 answers:
lidiya [134]3 years ago
8 0
4|2 \\ 2|2 \\ 1 \\ 4=2^2\\ \\ 5|5 \\ 1 \\ \\ 10|2 \\ 5 \ |5 \\ 1 \\ \\ 10=2*5  \\ \\ \ [  4;5;10 \ ]=2^2*5=4*5=20 \\ \\ 61 < M _{20} < 107 \\ \\\boxed{ M_{20}= \{ 80;100 \}}
nevsk [136]3 years ago
7 0
4\times5=20-is\ a\ multiple\ of\ 10\\\\20\times4=\boxed{80}\\\\20\times5=\boxed{100}
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In a recent year, a sample of grade 8 Washington State public school students taking a mathematics assessment test had a mean sc
Daniel [21]

Answer:

The  number is  N  =1147 students

Step-by-step explanation:

From the question we are told that

    The population mean is  \mu  =  281

     The standard deviation is  \sigma  =  34.4

    The sample size is  n = 2000

percentage of the would you expect to have a score between 250 and 305 is mathematically represented as

      P(250 <  X <  305 ) =  P(\frac{ 250 - 281}{34.4 }  <  \frac{X - \mu }{\sigma }  < \frac{ 305 - 281}{34.4 }   )

Generally  

             \frac{X - \mu }{\sigma }  =  Z  (Standardized \ value \  of  \  X )

So  

         P(250 <  X <  305 ) =  P(-0.9012<  Z

       P(250 <  X <  305 ) = P(z_2 < 0.698 ) -  P(z_1 <  -0.9012)

From the z table  the value of  P( z_2 < 0.698) =  0.75741

                                         and  P(z_1 < -0.9012) =  0.18374

     P(250 <  X <  305 ) = 0.75741 - 0.18374

      P(250 <  X <  305 ) =  0.57

The  percentage is  P(250 <  X <  305 ) =  57\%

The  number of students that will get this score is

           N  = 2000 * 0.57

           N  =1147

6 0
3 years ago
A loss of 30 yards is less than a loss if 50 yards. Write an equality statement
Dafna1 [17]
100-30=70-50=20
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8 0
3 years ago
An auto insurance company has 10,000 policyholders. Each policy is defined as: young or old male or female; and married or singl
Blababa [14]

Answer:

880

Step-by-step explanation:

This problem a bit annoying, but let's classify the numbers and see where we can get from there:

Total = 10,000

Young = 3,000

Old = 7,000 (not young defined as 10,000 - 3,000)

Male = 4,600

Female = 5,400

Married = 7,000

Single = 3,000

Young Males = 1,320

Young Females = 3,000 (young) - 1,320  = 1,680

Married Males = 3,010

Married Females = 7,000 - 3,010 = 2,990

Young Married = 1,400

Young Married Males = 600

Young Married Females = 1,400 - 600 = 800

Young Female Single = ?

Young Female = 1,680 from above.  But not all of them are single.

Young Married Females = 800 from above

Young Female Single = Young Female - Young Married Females = 1,680 - 800 = 880

6 0
3 years ago
Hi i have a question for people with thick curly hair..
Alexxandr [17]

Answer:

rice water

Step-by-step explanation:

if u want your hair to grow try the rice water technique, wear braids, and dont put alot of heat,

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3 years ago
I need help in solving this, I dont want an answer. 10. The Wilson family had a family portrait framed for their living room. Th
ollegr [7]
So to find an area of a square is length times width. 45 times 37 =1665inches now convert that to ft and that’s your answer!
Hope this helps!
3 0
3 years ago
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