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miss Akunina [59]
3 years ago
5

F(x) = (3 - x) f(-1) = A) 1 B) 2 C) undefined D) 2

Mathematics
2 answers:
garik1379 [7]3 years ago
6 0

Answer:

none of the choices

Step-by-step explanation:

f(x) = 3-x

Let x=-1

f(-1) = 3 - (-1)

     = 3+1

      =4

f(-1) =4

nirvana33 [79]3 years ago
4 0
None of these answers are correct. so I’m making my own answer. E) 4
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Which of the following expressions represents the statement below?
exis [7]

Option D. 2(n + 9) is the right answer

Step-by-step explanation:

The word problems are converted into mathematical problems to solve simply.

for the given problem

"two times the sum of a number and 9"

Let n be a number then

when there is and between two things they are performed first then next operation is performed so

the sum of a number and 9

n+9

Then

two times the sum of a number and 9

2(n+9)

Hence,

Option D. 2(n + 9) is the right answer

Keywords: Mathematical notation

Learn more about mathematical notation at:

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5 0
3 years ago
*ANSWER CORRECTLY TO BE BRAINILEAST*
posledela

Answer:

90

Step-by-step explanation:

The mode of the set is the number that occurs the most. In this case, 90 occurs more than any of the other terms. You can keep track using a tally chart:

80     |

82     |

90     ||

92     |

86     |

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68     |

88     |

98     |

6 0
3 years ago
Read 2 more answers
What is the value of the expression below. <br> ||3-7| - |-6+3||
alexdok [17]

Answer:

1

Step-by-step explanation:

||3-7| - |-6+3||

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|4-3|

|1|

6 0
3 years ago
Use the image below to answer the following question. Find the value of sin x° and cos y°. What relationship do the ratios of si
kozerog [31]

The ratios of sin x° and cos y° are 15/8.

We have given that,

Use the image below to answer the following question.

We have to determine to find the value of sin x° and cos y°.

By applying Pythagoras theorem in the triangle given in the picture,

<h3>What is the Pythagoras theorem?</h3>

(Hypotenuse)² = (leg 1)² + (leg 2)²

PO² = (15)² + 8²

PO² = 225 + 64

PO = √289

PO = 17

By applying the sine rule in the given triangle,

sin(x°) = Opposie side/hypotenous

         = 15/17

cos(y°) = Adjucent side/hypotenous

          = 8/17

The relation between the ratio of sin(x) and cos(x) will be,

\frac{sinx}{cosx} =\frac{\frac{15}{17} }{\frac{8}{17} }

=\frac{15}{8}

Therefore the ratios of sin x° and cos y° are 15/8.

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5 0
2 years ago
Function C gives the cost, in dollars, of buying n apples. What does each expression or equation represent in this situation?
ExtremeBDS [4]
2. C(2) is the answer
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3 years ago
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