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NNADVOKAT [17]
2 years ago
8

Laura has a set of 16 books. Each book in the set weighs the same. One book has a weight of 0.8 kilograms (kg). Laura wants to f

ind the total weight, w, of the set of books. What is the equation and solution shows the total weight(w) of the set of books?
Mathematics
1 answer:
KATRIN_1 [288]2 years ago
8 0

Answer:

12.8kg

Step-by-step explanation:

1 book =0.8kg

16 books=16*0.8kg

which is equal to 12.8kg

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Step-by-step explanation:

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2/3 of an inch should be cut off the width.

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G a survey of property owners' opinions about a street-widening project was taken to determine if owners' opinions were related
Naily [24]

Answer:

The expected frequency for people against the project and who have over 120 feet of property foot frontage is 3.9.

Step-by-step explanation:

The data provided is:

                                                   Opinion    

Front Footage   For       Undecided Against    Total

Under 45 feet    12                4              4              20

  45-120 feet           35                5             30      70

Over 120 feet     3                2              5              10

       Total           50                11             39    100

The formula to compute the expected frequency is:

E(X)=\frac{\text{Row Total}\times \text{Column Total}}{\text{TOTAL}}

Compute the expected frequency for people against the project and who have over 120 feet of property foot frontage as follows:

E(X)=\frac{\text{Row Total}\times \text{Column Total}}{\text{TOTAL}}

E(5)=\frac{10\times 39}{100}=\frac{39}{10}=3.9

Thus, the expected frequency for people against the project and who have over 120 feet of property foot frontage is 3.9.

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Answer:

n2^3 bacteria, n being the initial population.

Step-by-step explanation:

compound growth equation: P=n2^t

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6hours/2hours= doubles 3 times, thats why t=3.

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