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Lostsunrise [7]
2 years ago
11

Lexi rode her bicycle 3 1/4 miles from her house to the park. Then she rode 1 mile from the park to the library. How many miles

did Lexi ride in all?
Mathematics
2 answers:
nikitadnepr [17]2 years ago
5 0

4.25 miles in total because 3.25 + 1

antiseptic1488 [7]2 years ago
3 0

Answer:

4.25

Step-by-step explanation:

u add 3 1/4 and 1

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The average number of customers per day at a home improvement store is given in the following table. Let x represent the day whe
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Answer:

A. 33.690\sin (0.887x + 1.337) + 81.684.

Step-by-step explanation:

We are given that,

x = Number of days where 1 = Sun of 1st week and 7 = Sat of first week.

The corresponding table for the data is given by,

Days        Day Number               Number of Customers

Sun                    1                                     115

Mon                   2                                     77

Tue                    3                                     60

Wed                   4                                     51

Thur                   5                                     68

Fri                      6                                      86

Sat                     7                                      120

The general form of the regression model is a\sin (bx+c)+d.

Using the sinusoidal regression calculator, we get that,

a = 33.690

b = 0.887

c = 1.337

d = 81.684

That is, the sine regression model is 33.690\sin (0.887x + 1.337) + 81.684.

Thus, option A is the sine regression model for the given data.

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3 years ago
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Step-by-step explanation:

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