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3 years ago

I need the answer please

Mathematics

1 answer:

Yuri [45]3 years ago

3 0

Answer:

D - All rational numbers are integers.

Step-by-step explanation:

This is because integers is a subcategory of rational numbers, so there are other rational numbers that aren't integers.

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Suppose a student carrying a flu virus returns to an isolated college campus of 7000 students. Determine a differential equation

Alex73 [517]

Answer:

The differential equation is $\frac{dx(t)}{dt} = k x(t) [7000 - x(t)]$

Step-by-step explanation:

From the question we are told that

The number of students are $n = 7000$

The number of student that have contracted the flu is x(t)

The number of student that don't have the flu is mathematically represented as

$z = 7000 - x(t)$

The rate at which the disease spread is proportional to the number of interactions between students with the flu and students who have not yet contracted it, which can be mathematically represented as

$\frac{dx(t)}{dt} \ \ \ \alpha\ \ \ x(t) [7000 - x(t)]$

=> $\frac{dx(t)}{dt} = k x(t) [7000 - x(t)]$

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3 years ago

Vijay has a tub of 500 plastic jungle animals.

Troyanec [42]

Answer:

50 giraffes are in the tub

Step-by-step explanation:

0.10x500=50

hope this helps, have a good day

3 0

3 years ago

What is the slope of the line that goes through the points (7,10) and (3,-3)

PilotLPTM [1.2K]

Ypu would subtract Y from the other points Y
$- 3 - 10 = - 13$
Then you would subtract X from the ither points X.
$3 - 7 = - 4$
Then you would put the Y value over the X
$\frac{ - 13}{ - 4}$
Then simiplify
$\frac{13}{4}$

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3 years ago

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The rectangular diagram shows the design for a tood

Ksivusya [100]

Answer:

Step-by-step explanation:

What diagram?

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A hardware dealer has 168kg of nails, if one nail weighs 0.25kg, how many nails he have?

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