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Ymorist [56]
3 years ago
13

Given that f(x) = x^2 - 4x +1, find the value of m if f(m) = -3

Mathematics
1 answer:
iragen [17]3 years ago
3 0

a. Answer:  m = 2

<u>Step-by-step explanation:</u>

f(x) = x² - 4x + 1

f(m) = m² - 4m + 1 = -3

         m² - 4m + 4 = 0

         (m - 2)(m - 2) = 0

               m = 2

***************************************************

b. Answer:  k = 2 and k = 5

<u>Step-by-step explanation:</u>

f(x) = x² - 7x + 14

f(k) = k² - 7k + 14 = 4

        k² - 7k + 10 = 0

        (k - 2)(k - 5) = 0

        k = 2   k = 5

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Several million lottery tickets are sold, and 21% of the tickets are held by men. Suppose you select a random sample of people a
valina [46]

Answer:

hypergeometric

Step-by-step explanation:

For each winning ticket, there are only two possible outcomes. Either it is held by a men, or it is not.

There is a set number of X, and as the number of winning tickets decrease, the probability of a winning ticket being held by a men can decrease or increase. This is a characteristic of the hypergeometric distribution.

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3 years ago
Solve for m/TRS if m/QRS = 88° and m/QRT = 54°.<br> ?<br> Answer: m/TRS =<br> Submit Answer
Citrus2011 [14]

The measure of the angle TRS is 34 degrees

<h3>Line and angles</h3>

The point where two lines meet is known as an angle

Given the following parameters

<QRS = 88 degrees

<QRT = 54 degrees

Using the expression

<QRS = <QRT + <TRS

Substitute the given parameters

88 = 54 + <TRS
<TRS = 88 - 54

<TRS = 34 degrees

Hence the measure of the angle TRS is 34 degrees

Learn more on lines and angles here: brainly.com/question/25770607

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3 0
1 year ago
Who can answer this Algebraic Expression for me?<br><br>3(m-5)+m​
egoroff_w [7]
Simply. 4m - 5.

3(m-5)+m

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sergiy2304 [10]

Answer: 7

Step-by-step explanation:

8 0
3 years ago
(m+3n) ^2 please help me solve this question, I really need it
Charra [1.4K]

Answer:

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Step-by-step explanation:

=(m+3n)(m+3n)

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=m2+3mn+3mn+9n2

7 0
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