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Step2247 [10]
3 years ago
11

PLZ ONLY HELP IF UR 100% SURE !!!

Mathematics
1 answer:
Zigmanuir [339]3 years ago
6 0

1. 48,000

2. 50%

3. 1,500, week 5

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Find the midpoint of the line segment with the endpoints (-6,-8) and (-2,-6)
insens350 [35]

Answer:

Step-by-step explanation:

The midpoint between two points is just the average of the coordinates.

mp=((x2+x1)/2, (y2+y1)/2)

mp=((-6-2)/2, (-8-6)/2)

mp=(-4, -7)

3 0
3 years ago
The mean June midday temperature in Desertville is 36°C and the standard deviation is 3°C.Assuming this data is normally distrib
AleksandrR [38]

Answer:

The value is  E(X) = 4 \ days

Step-by-step explanation:

From the question we are told that

   The mean is  \mu  =  36^oC

    The standard deviation \sigma =  3^oC

Generally the probability that in June , the midday  temperature is between  

39°C and 42°C is mathematically represented as

      P(39 <  X <  42) = P(\frac{39 - 36}{3}  < \frac{X - \mu }{\sigma} < (\frac{42 - 36}{3} )

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

      P(39 <  X <  42) = P(1  < Z

=>   P(39 <  X <  42) = P(Z   < 2) - P( Z

From the z table  the area under the normal curve to the left corresponding to  1 and  2  is

     P(Z   < 2)  = 0.97725

and

    P(Z   < 1)  = 0.84134

    P(39 <  X <  42) = 0.97725  - 0.84134

=>  P(39 <  X <  42) = 0.13591

Generally number of days in June would you expect the midday temperature to be between 39°C and 42°C

      E(X) =  n  *  P(39 <  X 42 )

Here n is the number of days in June which is  n = 30

       E(X) =  30  *   0.13591

=>    E(X) = 4 \ days

8 0
3 years ago
3(5−p)−2(5+p)=3(p+1)
Sav [38]

Step-by-step explanation:

or, 3(5-p)-2(5+p)=3(p+1)

or, 15-3p-10-2p=3p+3

or, 5-5p=3p+3

or, 5-3=3p+5p

or, 2=8p

or, 2/8=p

or, 1/4=p

5 0
4 years ago
Read 2 more answers
The volume of this prism is 378 cm.<br>What is the length of x?<br>27 cm<br>Х​
Mila [183]

Answer:

question is wrong unit of volume is cm cube not cm

5 0
3 years ago
Can someone help me​
Vikki [24]

Answer:

I think its an obtuse triangle

6 0
3 years ago
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