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kicyunya [14]
3 years ago
8

Select the correct answer.

Mathematics
1 answer:
Solnce55 [7]3 years ago
3 0

Answer:

x = 2

Step-by-step explanation:

At the point of intersection f(x) = g(x), thus

10x - 6 = x + 12 ( subtract x from both sides )

9x - 6 = 12 ( add 6 to both sides )

9x = 18 ( divide both sides by 9 )\

x = 2 ← at point of intersection

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For a segment of a radio show, a disc jockey can play 10 records. there are 14 records to select from, in how many ways can the
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The formula of combination is 

nCr= \frac{n!}{(n-r)!r!}

We have n=14 and r=10

14C10= \frac{14!}{(14-10)!10!} = 1001

Hence, there are 1001 ways of arranging 10 records from 14 records 
3 0
3 years ago
Describe the likelihood of an event as impossible, unlikely, equally likely, likely or certain. 21) There is a 0% chance of pick
Arturiano [62]

Answer:

21) There is a 0% chance of picking a 13 in a deck of cards. <u>Impossible.</u>

If there is a 0% chance that something will happen then it is impossible.

22) There is a 50% chance of picking a red card in a deck of cards.<u> Equally likely.</u>

If there is a 50% chance that something will happen, it is equally likely that it will happen.

23) There is an 80% chance of snow tomorrow. <u>Likely or certain.</u>

If there is an 80% chance of something happening, it means that the chances of that thing happening good and the event is likely to occur.

24) There is a 20% chance of rain tomorrow. <u>Unlikely.</u>

A low chance of 20% means that something is unlikely to occur.

7 0
2 years ago
The mean number of words per minute (WPM) typed by a speed typist is 149 with a standard deviation of 14 WPM. What is the probab
Troyanec [42]

Answer:

78.81%

Step-by-step explanation:

We are given;

Population mean; μ = 149

Sample mean; x¯ = 147.8

Sample size; n = 88

standard deviation; σ = 14

Z-score is;

z = (x¯ - μ)/(σ/√n)

Plugging in the relevant values;

z = (147.8 - 149)/(14/√88)

z = -0.804

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6 0
2 years ago
5000 principal earning 4% compounded annually, 7 years
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Answer:

Step-by-step explanation:

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4 0
2 years ago
Babby needs some help!
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Answer:

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Step-by-step explanation:

4 0
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