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JulijaS [17]
2 years ago
15

X = -0.25 and y = -6 Solve the expression: xy

Mathematics
1 answer:
Vitek1552 [10]2 years ago
5 0

Answer:

If x = -0.25 and y = -6 then we have -6(-0.25) = 1.5

Hope this helps!

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Six customers enter a gift shop during a 3-hour period. On average there are 0.25 customers in the gift shop and each spends 7.5
Stolb23 [73]

Answer:

6 is most directly associated with the flow rate of customers

Step-by-step explanation:

Reason:

0.25 is the number of customers in the gift shop at a given point of time is WIP inventory

7.5 is the average time spent by customer in the shop and it is the throughput time.

Flow rate = WIP inventory/Throughput time

=0.25/7.5

= 0.0333 per minute = 2 per hour or 6 per 3 hour as given in question.

6 0
3 years ago
Suppose you have 5 white, 5 blue and 8 black socks in a drawer. What is the probability that you randomly pick a black sock from
Gnesinka [82]

Answer:

I think it would be 8/18

If it is wrong I'm so sorry

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
2cos^2x = 1 <br><br> Solve for 0-360 degrees
Tems11 [23]

Answer:

45,135,315,225

Step-by-step explanation:

2cos^2x = 1

Divide each side by 2

cos^2x = 1/2

Take the square root of each side

sqrt( cos^2 x) = ±sqrt (1/2)

cos x  =±sqrt (1/2)

Make into two separate equations

cos x  =sqrt (1/2)    cos x = - sqrt(1/2)

Take the inverse cos of each side

cos ^-1 cos (x) = cos ^-1 (sqrt (1/2))   cos ^-1 cos (x) = cos ^-1 (-sqrt (1/2))

x = cos ^-1 (sqrt (1/2))   x = cos ^-1 (-sqrt (1/2))

x = 45  +360 n              x = 135+ 360n

x = 315+360 n               x =225+360n

Between 0 and 360

45,135,315,225

5 0
3 years ago
Read 2 more answers
Given a mean earth radius of 20,906,000 ft, and an observation latitude of n 42 degrees, what is the arc distance of one second
murzikaleks [220]

Answer:

  • arc second of longitude: 75.322 ft
  • arc second of latitude: 101.355 ft

Explanation:

The circumference of the earth at the given radius is ...

  2π(20,906,000 ft) ≈ 131,356,272 ft

If that circumference represents 360°, as it does for latitude, then we can find the length of an arc-second by dividing by the number of arc-seconds in 360°. That number is ...

  (360°/circle)×(60 min/°)×(60 sec/min) = 1,296,000 sec/circle

Then one arc-second is

  (131,356,272 ft/circle)/(1,296,000 sec/circle) = 101.355 ft/arc-second

__

Each degree of latitude has the same spacing as every other degree of latitude everywhere. So, this distance is the length of one arc-second of latitude: 101.355 ft.

_____

<em>Comment on these distance measures</em>

We consider the Earth to have a spherical shape for this problem. It is worth noting that the measure of one degree of latitude is almost exactly 1 nautical mile--an easy relationship to remember.

3 0
3 years ago
Can you create a triangle with 3 obtuse angles? Why or why not?
Juliette [100K]
A triangle a can’t have more than 1 obtuse angle because all angles have to equal 180 degrees, and an obtuse angle is larger then 90 degrees. If it had more than 1 obtuse angle, the angles wouldn’t equal 180 degrees and you wouldn’t be able to make a third angle.
7 0
3 years ago
Read 2 more answers
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