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oksian1 [2.3K]
3 years ago
12

1/2 X plus X -15+1/2 X +100+ X -25 equals 540

Mathematics
1 answer:
Andrew [12]3 years ago
7 0

Answer:

1/2 X + X -15 + 1/2 X + 100 + X -25 = 540

1/2x + x + 1/2x + x -15 + 100 -25 = 540

3 x + 60 = 540

3x + 60 - 60 = 540 - 60

3/3x = 480/3

x = 160

Step-by-step explanation:

1/2 X + X -15 + 1/2 X + 100 + X -25 = 540

1/2x + x + 1/2x + x -15 + 100 -25 = 540

3 x + 60 = 540

3x + 60 - 60 = 540 - 60

3/3x = 480/3

x = 160

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2z-18-4z=-8 what is the value of z
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The z is 5

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7 0
3 years ago
I dont know if its a rhombus, square, paralellagram, or rectangle
Svetlanka [38]
To find your answer, you just have to graph the points, then connect them to see what shape they make! :) Hope this helps! 
7 0
3 years ago
The table shows the air temperature in degrees Celsius at different altitudes in kilometers:
miv72 [106K]

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Third graph, I took the test

Step-by-step explanation:

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3 years ago
Graphing required <br><br><br> Help me ASAP
marta [7]
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6 0
3 years ago
An Xത chart with three-sigma limits has parameters as follows: UCL = 104; Center Line = 100; LCL = 96; n = 5 Suppose the process
ruslelena [56]

Answer:

The probability that the control chart would exhibit lack of control by at least the third point plotted is P=0.948.

Step-by-step explanation:

We consider "lack of control by at least the third point plotted" if at least one of the three first points is over the UCL or under the LCL.

The probability of one point of being over UCL=104 is:

z=(X-\mu)/\sigma=(104-98)/8=6/8=0.75\\\\P(X>104)=P(z>0.75)=0.227

The probability of one point of being under LCL=96 is:

z=(X-\mu)/\sigma=(96-98)/8=-2/8=-0.25\\\\P(X

Then, the probability of exhibit lack of control is:

P=P(X>104)+P(X

The probability of having at least one point out of control in the first three points is:

P(x\geq1)=1-P(0)\\\\P(x\geq1)=1- 0.052=0.948\\\\\\P(x=0) = \binom{11}{0} p^{0}q^{3}= 1*1*0.0515=0.0515\\\\

The probability that the control chart would exhibit lack of control by at least the third point plotted is P=0.948.

7 0
3 years ago
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