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sergij07 [2.7K]
3 years ago
10

If f(n) = n^ 2 - n, then f(-4) is _____. -20 20 12 -12

Mathematics
2 answers:
Rainbow [258]3 years ago
6 0
Given  f(n)=n^2-n
           f(-4)=(-4)^2-(-4)=?
nedd some conversation for better understanding
alexandr402 [8]3 years ago
4 0

Answer:

its 20

Step-by-step explanation:

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Find the area of the figure.
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Answer:

The area is 30

Step-by-step explanation:

because its length x width x height

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HELP ASAP AND GET 20 POINTS!!!
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A

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5 0
2 years ago
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Help with #12, 13, 14, 15! I will mark u as brainliest answer
son4ous [18]
12) LCM of 2 & 12 is 12 
Answer: (F)

13) (25 x 8) x 4
Step 1: Order of operations do parenthesis first: (25 x 8) = 200
Step 2: Multiply: 200 x 4 = 800
Answer: 800

14) I would plug each value in to see which works
D) 10x + 5y = 10(6) + 5(9) = 60 + 45 = 105

Answer is (D)

15) 2 x 12 - 8 (divided by) 2^2
Exponent first: 2 x 12 - 8 divided by 4
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7 0
4 years ago
Which of the following is an example of a statistic? a.) A value used to represent a population b.) Standard deviation of all fi
natita [175]

Answer:

d

Step-by-step explanation:

statistic is a number that represents as numerical data

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6 0
3 years ago
7. In A.ABC. JB and KA are medians, JK = 10x - 12, AB = 9x + 18, JM = 21, KM = 23. AJ = 60. and
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Answer:

A) JK and AB =

[tex] \boxed{( \theta) = \f{12}{( \theta)} } So, =》 \dfrac{10}{5} = \dfrac{1}{ \( \theta) } =》 \( \theta) = \dfrac{5}{2}[/tex]

B) AABC

[tex] \boxed{( \theta) = {1}{( \theta)} } So, 23}{-18=\\Ans } \boxed

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[tex] e \fbox{: } The value of k for which \sin(jm) = \cos(x) is \dfrac{\p}{2} ans[/tex]

----------

3 0
3 years ago
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