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klio [65]
3 years ago
9

The traffic flow rate (cars per hour) across an intersection is

Mathematics
1 answer:
Zanzabum3 years ago
8 0

Answer:

990 cars

Step-by-step explanation:

Find how many cars pass through at 6am, t=0:

r(0)= 300+600(0)-90(0²) = 300

Find how many cars pass through at 9am, t=3:

r(3)= 300+600(3)-900(3²)=300+1800-810=1290

Find the difference (how many cars pass between 6am and 9am): 1290-300=990

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Answer:

negative

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Step-by-step explanation:

4 0
3 years ago
Suppose x has a normal distribution with mean μ = 45 and standard deviation σ = 9. describe the distribution of x values for sam
Fofino [41]
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3 years ago
slader How many partitions of the set {1, 2, 3, . . . , 100} are there such that there are exactly three parts and elements 1, 2
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Answer:

3^{97} partitions.

Step-by-step explanation:

As we know if we have x number of elements we can arrange them in x! ways.

here we have 100 elements so we can arrange them in 100! ways.

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each of these partition will contain only three elements.

7 0
3 years ago
Diana has just begun the process of filing her federal income tax return, and she plans to deduct medical and dental expenses. w
Andru [333]

Answer:

1040 tehyimngtumh

Step-by-step explanation:

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5 0
3 years ago
Mrs. Parson baked 30 cookies. 5 sixths of the cookies were oatmeal. How many oatmeal cookies did Mrs. Parson bake?
vekshin1
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6 0
3 years ago
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