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Nata [24]
3 years ago
7

Define a variable then write each phrase as an algebraic expression.

Mathematics
1 answer:
zubka84 [21]3 years ago
3 0
Variable= is a place holder for a unknown number
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-1(-9) <br> What Is the results
JulsSmile [24]

Answer:

9

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Suppose that you collect data for 15 samples of 30 units each, and find that on average, 2.5 percent of the products are defecti
Korvikt [17]

Answer:

The  UCL  is  UCL  =  0.054

The LCL  is  LCL \approx 0

Step-by-step explanation:

From the question we are told that  

     The quantity of each sample is  n =  30

     The  average of defective products is  p  =  0.025

Now  the upper control limit [UCL] is  mathematically represented as

       

      UCL  = p +  3 \sqrt{\frac{p(1-p)}{n}  }

substituting values  

      UCL  = 0.025 +  3 \sqrt{\frac{0.025 (1-0.025)}{30}  }

      UCL  =  0.054

The  upper control limit (LCL) is mathematically represented as

       LCL  = p -  3 \sqrt{\frac{p(1-p)}{n}  }

substituting values  

      LCL  = 0.025 -  3 \sqrt{\frac{0.025 (1-0.025)}{30}  }

       LCL  = -0.004

        LCL \approx 0

       

8 0
3 years ago
Three less than the product of 15 and carlos’s savings use the variable c to represent Carlos savings
kenny6666 [7]

Answer:

c=12

Step-by-step explanation:

15-3=12

carlos savings=12

c=12

7 0
4 years ago
Anya graphed the line (y – 2) = 3(x – 1) on the coordinate grid. What is the slope of the line
3241004551 [841]
Given a point-slope form equation, we can easily locate of the slope of the linear equation. As a review, the point-slope form can be expressed as 
(y-y_{1}) = m(x-x_{1})

where y₁ and x₁ are the x and y-coordinates of the equation and m is the slope. Seeing that (y-2) = 3(x-1) is already in this form, we can clearly see that the slope of the equation is equal to 3.

Answer: 3
3 0
3 years ago
Write two equivalent expressions that the associative property of addition
Dmitry_Shevchenko [17]

Answer:

a(bc)=(ab)c

Step-by-step explanation:

here it is

4 0
4 years ago
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