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3 years ago

12

Nicole wants to replace a glass window in her restaurant. The window is in the shape of a square. It’s side lengths are 11 feet.

Suppose glass cost $5 for each square foot. How much will the glass cost to replace the window

1 answer:

Ede4ka [16]3 years ago

6 0

Answer:

275

Step-by-step explanation:

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A department store sells a pair of shoes with a 80% markup. If the store bought the pair of shoes for $55.25. Round the price to

AleksandrR [38]

Answer:

$31.00

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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3 years ago

Gregg’s average rate of speed is ________ miles per hour

tensa zangetsu [6.8K]

Divide the total distance traveled by the total time spent traveling. This will give you your average speed. S = 56.67 {\displaystyle S=56.67} . So if Ben traveled 50 mph for 3 hours, 60 mph for 2 hours, and 70 mph for 1 hour, his average speed was about 57 mph.

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Which is larger 4.5 or 9/2

Murrr4er [49]

Answer:

Both are equal

4.5 = 9/2

4.5 = 4.5

Hope it will help :)

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