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pychu [463]
3 years ago
6

I will rate brainliest help

Mathematics
1 answer:
nlexa [21]3 years ago
5 0

Answer:

The correct answer is A) x does not equal 8

Step-by-step explanation:

In order to find gaps in the domain, we look for two things. The first we look for is negatives under square roots (which are not an issue here since there are none) and then we look for 0, denominators. So to find the gap, we set the denominator equal to 0 and see what the x value cannot be.

x - 8 = 0

x = 8

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Answer:

The null hypothesis is given as H_o : p_1-p_2=0 while the alternate hypothesis is H_A: p_1-p_2\neq 0

Step-by-step explanation:

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p1=Proportion of Homeowners who would buy the security system

p2=Proportion of Renters who would buy the security system

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H_o : p_1-p_2=0

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3 0
4 years ago
Use the given cost table for the same product from two different companies to create a linear system.
viktelen [127]

40 garments need to be dry cleaned for the two companies to have the same cost.

<h3>Linear equation</h3>

Linear equation is in the form:

y = mx + b

where y, x are variables, m is the rate of change and b is the initial value of y.

Let f(x) represent the cost for dry cleaning at Company 1. Hence using the points:

  • (5, 115.25) and (15, 155.75)

y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)\\&#10; \\&#10;y-115.25=\frac{155.75-115.25}{15-5}(x-5)\\&#10; \\&#10;y=4.05x+95

Let g(x) represent the cost for dry cleaning at Company 2. Hence using the points:

  • (5, 45.25) and (15, 105.75)

y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)\\&#10; \\&#10;y-45.25=\frac{105.75-45.25}{15-5}(x-5)\\&#10; \\&#10;y=6.05x+15

For the cost to be the same:

4.05x + 95= 6.05x + 15

x = 40

40 garments need to be dry cleaned for the two companies to have the same cost.

Find out more on Linear equation at: brainly.com/question/14323743

7 0
2 years ago
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