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const2013 [10]
3 years ago
5

F (x) = -2x² + 6x + 1 Find f (-6)

Mathematics
1 answer:
butalik [34]3 years ago
6 0

Answer:

-2(-6)^2 + 6(-6) + 1

-72 -36+1 = -107

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The total cost, y, for Leah and x friends to go to an amusement park can be modeled by a
Katarina [22]

Answer:

Range of the function is:

{55.25, 100.50, 145.75, 191.00, 236.25, 281.50}

Step-by-step explanation:

Given that:

Seating capacity of the car = 6

Entrance fee per person = $45.25

Parking fee per car = $10

Leah is accompanied by x friends.

So, the total cost can be modeled as the following linear function:

y=45.25x+10

Now, the value of x i.e. number of friends going with Leah can be any of the following:

0, 1, 2, 3, 4 or 5 (because maximum capacity of the car is 6).

Leah is also going.

So, total number of people can be 1, 2, 3, 4, 5 or 6.

Therefore, the table of x, y can be:

\begin{center}\begin{tabular}{ c c}x & y \\ 1 & 55.25  \\  2 & 100.50  \\   3 & 145.75  \\ 4 & 191  \\ 5 & 236.5   \\ 6 & 281.50   \\\end{tabular}\end{center}

Here, the value of y is nothing but the range of the function.

Therefore, the range of the linear function is:

{55.25, 100.50, 145.75, 191.00, 236.25, 281.50}

7 0
3 years ago
Which of the following angles in standard position has a measure between 90° and<br> 180°?
Anna007 [38]
The answer is A

The angle is greater than 90 degrees but less than 180 degrees
5 0
3 years ago
A triangle has vertices (-1, 2), (3, 1), and (7.2). What is the approximate perimeter of the triangle? Round your answer to the
Inessa [10]

Answer

16.25

Step-by-step explanation: <em><u>To The Nearest Hundredth</u></em>

(-1, 2), (3, 1)

<u>√17</u>

(3, 1), (7, 2)

<u>√17</u>

(3, 1), (7, 2)

<u>√8</u>

So our answer is =

<u>8 + √17 + √17 = 16.25</u>

<u>hope it works for you!</u>

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3 years ago
Plslslslsl help ASAP you will win brainlist
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Answer:

6 minutes

Step-by-step explanation:

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3 years ago
A right cone has a slant height of 30 cm and a radius of 10 cm. Find the volume of the right cone.
jasenka [17]
Uh I don’t know this question is stupid though
4 0
3 years ago
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