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3 years ago

The R-chart

Mathematics

1 answer:

fredd [130]3 years ago

5 0

Answer:

Step-by-step explanation:

An R-Chart is a control chart used to indicate the changes in a variable usually with processes that have subgroup size of 2 or higher. Based on the answers provided within the question, it can be said that the R-chart is used to indicate gains or losses in uniformity, which would be the changes in the variable. This can be demonstrated in the R-chart below.

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The image of a parabolic lens is traced onto a graph. The function f(x) = (x + 8)(x – 4) represents the image. At which points d

alexandr402 [8]

Answer:

x = -8 and x = 4

Step-by-step explanation:

given

f(x) = (x+8) (x - 4)

recall that at any point on the x-axis, y = 0 [i.e f(x) = 0]

hence to find where the graph crosses the x-axis, we simply substitue f(x) = 0 into the equation and solve for x

f(x) = (x+8) (x - 4)

0 = (x+8) (x - 4)

Hence

either,

(x+8) = 0 ----> x = -8 (first crossing point)

(x-4) = 0 ------> x = 4 (second crossing point)

Hence the graph crosses the x-axis at x = -8 and x = 4

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3 years ago

Jackie found the area of a square to be 25/16 square feet.Which shows the side length of the square?

svlad2 [7]

The side length is the square root of the area, so is ...

... √(25/16 ft²) = (√25)/(√16) ft = 5/4 ft

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3 years ago

Read 2 more answers

Sam scored 43 48 and 42 points on 3 test how many points should he get on the fourth test to get in average score of 50

antoniya [11.8K]

43+48+42=133

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What is the greatest factor of 52 that is a prime number?

alexandr1967 [171]

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Answer:

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Step-by-step explanation:

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2 years ago

The R​-chart

The R-chart