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Marrrta [24]
3 years ago
6

Can someone please help me on this one?

Mathematics
2 answers:
zubka84 [21]3 years ago
5 0
Alright so x is equal to 20
then 6 times 20= 120 and then 120-28=92
then you add 92+48=140
then 2 times 20=40 and 140+40=180 which is your answer

aleksandr82 [10.1K]3 years ago
5 0
X=20
B=92
C=40

Hope it helps
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Divide the total of 338 peanuts by 13 boxes (338÷13=26)

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Which expression defines the given series for seven terms? <br><br> 9 + 17 + 25 + . . .
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Twice the smallest of three consecutive odd integers is nine more than the largest. find the integers.
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3 years ago
Scores on a college entrance examination are normally distributed with a mean of 500 and a standard deviation of 100. What perce
Alla [95]

Answer:

The percentage is P(350 <  X  650 ) = 86.6\%

Step-by-step explanation:

From the question we are told that

   The population mean is  \mu  =  500

     The standard deviation is  \sigma  =  100

The  percent of people who write this exam obtain scores between 350 and 650    

    P(350 <  X  650 ) =  P(\frac{ 350 -  500}{ 100}

Generally  

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

   P(350 <  X  650 ) =  P(\frac{ 350 -  500}{ 100}

   P(350 <  X  650 ) =  P(-1.5

   P(350 <  X  650 ) =  P(Z < 1.5) -  P(Z <  -1.5)

From the z-table  P(Z <  -1.5 )  =  0.066807

   and P(Z < 1.5  ) =  0.93319

=>    P(350 <  X  650 ) =  0.93319 -  0.066807

=>  P(350 <  X  650 ) = 0.866

Therefore the percentage is  P(350 <  X  650 ) = 86.6\%

3 0
3 years ago
In the parallelogram below, x=​
zysi [14]

Answer:

23°

Step-by-step explanation:

By interior angle sum postulate of a triangle.

x = 180° - ( 124° + 33°)

x = 180° - 157°

x = 23°

3 0
3 years ago
Read 2 more answers
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