3 years ago

A pharmacist filled a

Mathematics

1 answer:

Mariulka [41]3 years ago

7 0

Apromixately your mom

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Identify the random variable as discrete or continuous: number of passengers in a car that enters a uh parking garage.

insens350 [35]

There can only be integer number of passengers. We cannot have 1.372 passengers in a car, so that would be discrete random variable.

3 0

3 years ago

Find difference. Feel free to use a number line to help you choose the best answer. Write your answer

defon

Answer:

-0.9

Step-by-step explanation:

-1.7 - (-0.8)

= -1.7 + 0.8

= -0.9

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2 years ago

How do you write x is great than 9?

likoan [24]

X > 9..................

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3 years ago

Read 2 more answers

Find a vector equation and parametric equations for the line through the point (7,4, 5) and parallel to the vector 3i 2j-k .

aleksley [76]

Answer: vector equation r = (7+3t)i + (4+2t)j + (5 - 5t)k

parametric equations: x = 7 + 3t; y = 4 + 2t; z = 5 - 5t

Step-by-step explanation: The vector equation is a line of the form:

r = $r_{0}$ + t.v

where

$r_{0}$ is the position vector;

v is the vector;

For point (7,4,5):

$r_{0}$ = 7i + 4j + 5k

Then, the equation is:

r = 7i + 4j + 5k + t(3i + 2j - k)

r = (7 + 3t)i + (4 + 2t)j + (5 - 5t)k

The parametric equations of the line are of the form:

x = $x_{0}$ + at

y = $y_{0}$ + bt

z = $z_{0}$ + ct

So, the parametric equations are:

x = 7 + 3t

y = 4 + 2t

z = 5 - 5t

4 0

3 years ago

Find all polar coordinates of point P = (9, 75°).

zubka84 [21]

Answer:

1) (9, 75+360n)

2) (−9, 255+360n)

Step-by-step explanation:

(9, 75) is same as (9, 75 + 360)

so it would be (9, 435)

It can also be expressed as (-9, 75 + 180 degrees)

so (-9,255) degrees

In general, (9,75+360 n) for n≥0 represents half of the possible ways of representing the point : (9,75)

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3 years ago