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Readme [11.4K]
3 years ago
5

Given that P = (2, 9) and Q = (4, 14), find the component form and magnitude of vector PQ.

Mathematics
1 answer:
polet [3.4K]3 years ago
6 0
We are asked to determine the lengths of the line segment drawn with these points as endpoints. The equation of the distance between points is,
                              d = sqrt ((y2 - y1)² + (x2 - x1)²)
Substituting the coordinates of the points,
                               d = sqrt ((14 - 9)² + (4 - 2)²)
The numerical value for d is approximately 5.39. 
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Jenna bought 3 pairs of socks that cost $2.00 a pair. She also bought a blouse for $5.98. She gave the cashier $15. How much cha
defon

Answer:

$3.02

Step-by-step explanation:

Jenna bought 3 pairs of socks that costed her $2.00 each.

So, $2.00 times the 3 pairs she bought is $6.00.

Jenna also bought a blouse for $5.98

$6.00 from the 3 pairs of socks she bought and $5.98 from the blouse would equal a total of $11.98

Jenna gave the cashier $15.00

$15.00 minus the total of $11.98 is $3.02

Jenna recieved $3.02 back

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3 years ago
According to international standards, a tennis ball should have an internal pressure of 14 psi. Wilson claims that the pressure
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Answer:

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Step-by-step explanation:

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7 0
3 years ago
What does (-x)+(-x)+(-x)=
Mazyrski [523]

Answer:

-3x

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Select the correct answer from each drop-down menu.
kifflom [539]

Answer:

  1. 0.83
  2. 0.9
  3. steeper than
  4. slower than

Step-by-step explanation:

Letting t=1 in Ted's equation, we find that he climbs 5/6 stairs in 1 second. As a decimal, 5/6 ≈ 0.83.

Michael climbs 9 stairs in 10 seconds so his rate is ...

... (9 stairs)/(10 seconds) = (9/10) stairs/second = 0.9 stairs/second

Michael's graph will be a line with a slope of 0.9; Ted's graph will be a line with a slope of about 0.83, so the line on Michael's graph is steeper.

Ted climbs fewer stairs per second, so his rate is slower than Michael's.

_____

<em>Comment on the problem</em>

You're being asked to compare two different rates that are associated with two different people. First the comparison is one way, then it is the other way. This can be confusing. It might be helpful to draw and label a simple chart to help you keep it straight. (The attachment is such a chart scribbled on a bit of scratch paper. It is sufficient for the purpose.)

3 0
3 years ago
Identify the period, midline, and amplitude of the following cosine function graph.
Kaylis [27]

Answer:HHGNHHGHHGHNHG

Step-by-step explanation:

4 0
3 years ago
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