3 years ago

Why is the ✓-9 not equal to -3?

Mathematics

1 answer:

kozerog [31]3 years ago

7 0

Answer:

Step-by-step explanation:

double negatives equal positive if it was -9-6 than it will be -3 because the nine is bigger

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Answer:

w = 3

Step-by-step explanation:

-6(w - 4) + 8W=6(w + 2)

-6w + 24 + 8w = 6w + 12

2w + 24 = 6w + 12

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

What is -7.54 - 1.98 - 0.75

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

A recent poll of 120 randomly selected adults who frequent the local farmer's market found that 54 have purchased reusable clot

Olenka [21]

Answer:

95% Confidence interval: (0.361,0.539)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 120

Number of farmers who reusable cloth bags, x = 54

$\hat{p} = \dfrac{x}{n} = \dfrac{54}{120} = 0.45$

95% Confidence interval:

$\hat{p}\pm z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

$z_{critical}\text{ at}~\alpha_{0.05} = \pm 1.96$

Putting the values, we get:

$0.45\pm 1.96(\sqrt{\dfrac{0.45(1-0.45)}{120}}) = 0.45\pm 0.089\\\\=(0.361,0.539)$

is the required 95% confidence interval for the proportion of adults who have purchased reusable cloth bags.

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4 years ago