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xenn [34]
3 years ago
8

Evaluate P (5,3)A.15B.20C.60

Mathematics
2 answers:
atroni [7]3 years ago
3 0
Am i supposed to multiply? 5 times 3 equals 15 
valentinak56 [21]3 years ago
3 0

Answer:

_3^5\txterm{P}=60

Step-by-step explanation:

we have to evaluate P(5,3)

P(a, b) can be calculated as

_b^a\txterm{P}=\frac{a!}{(a-b)!}

_3^5\txterm{P}=\frac{5!}{(5-3)!}

=\frac{5\times 4\times 3\times 2!}{2!}=60

Hence, the correct option is 60 i.e

_3^5\txterm{P}=60

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. Only 2% of a large population of 100-ohm gold-band resistors have resistances that exceed 105 ohms. a. For samples of size 100
Soloha48 [4]

Using the information given above, the sampling distribution of the sample proportion of 100-ohm gold-band is 2.

  • <em>Sampling distribution of proportion, P = 2% = 0.02 </em>

  • <em>Sample size, n = 100</em>

<u>The sampling distribution of the sample proportion can be calculated thus</u>:

  • <em>Distribution of sample proportion = np</em>

Distribution of sample proportion = (100 × 0.02) = 2

Therefore, there is a probability that only 2 of the samples will have resistances exceeding 105 ohms.

Learn more : brainly.com/question/18405415

4 0
2 years ago
What is the value of the function when x = 4?<br><br> y = 3x + 7
adelina 88 [10]

2x - 3y = 7 and -3x + y = 7..multiply Equation 2 by THREE and add to Equation 1
-9x + 3y = 21...........................watch the y's disappear
-7x........ = 28
x = -4
substitute -4 instead of x in either of the ORIGINAL equations

2x - 3y = 7
2(-4) - 3y = 7
-8 -3y = 7..........add 8 to both sides
-3y = 15
y = -5

im not sure


8 0
3 years ago
Read 2 more answers
Solve for x in this equation: 3/4+ |5-x| = 13/4
Rom4ik [11]

Answer:

  x = 2.5 or 7.5

Step-by-step explanation:

Subtract 3/4.

  |5 -x| = 10/4 = 2.5

This resolves to two equations:

  • 5 -x = 2.5   ⇒   x = 5 -2.5 = 2.5
  • 5 -x = -2.5   ⇒   x = 5 +2.5 = 7.5

The solutions are x = 2.5 or 7.5.

5 0
3 years ago
an investment of ​$101 comma 000 was made by a business club. the investment was split into three parts and lasted for one year.
GaryK [48]

Answer:

unknown

Step-by-step explanation:

I am sorry but part of your question is missing

3 0
3 years ago
Help I need this badlyuu
Alex Ar [27]
It is 2/3 I believe

By calculating the difference between the x and y coordinates, and putting it in the rise/run format, you can easily find the slope of the line
4 0
2 years ago
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