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Elis [28]
3 years ago
11

I need help RIGHT NOW PLEASE HELP NOW!!!!ldentify the vertex of the graph. Tell whether it is a minimum or maximum. A (1-2); min

imum B (1 -2); maximum C (2,1); minimum D (-2, 1); maximum

Mathematics
1 answer:
larisa [96]3 years ago
3 0

Answer:

Answer D:  (-2, 1):  maximum

Step-by-step explanation:

This graph is that of a parabola that opens down.  The graph clearly has a maximum.  

That max is at x = -2 and y = 1:  (-2, 1) (Answer D).

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Juanita borrowed $600 to purchase a new computer. She was charged 7% interest for two years. How much interest will Juanita pay?
motikmotik
I=prt. I=600(.07)(2). I=42(2). I=84. Juanita will pay $84 interest :)
4 0
3 years ago
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A bad contains pennies, nickels, dimes, and quarters. There are 50 coins in all. Of the coins, 18% are pennies and 42% are dimes
Marina CMI [18]

Answer:

$2.64

Step-by-step explanation:

9 coins are pennies (reply to my comment if you want to know how I got it)

19 coins are dimes (reply to my comment if you want to know how I got it)

9 (pennies) + 4 = 13 (nickels)

$1.90 (dimes) + $0.09 (pennies) + $0.65 (nickels) = $2.64

5 0
3 years ago
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nina wants to enclose a sqare root garden with fencing. It has an area of 141 square feet. To the nearest foot, how much fencong
leonid [27]

The side length (in feet) of the square that is Nina's garden is √141. The four sides of the square are the same length, so add to ...

... 4×√141 = 4×11.874 ≈ 47.497

Rounding to the nearest foot, we find Nina needs 47 feet of fencing.

_____

The answer digit in the tenths place is less than 5, so we round down to the next lower foot.

Note that if you actually multiply 11.874 by 4, you get 47.496. When you're working a problem like this, you always want to maintain full calculator precision until the end. The number we actually used in that multiplication was 11.874342087... (my calculator carries 32 digits). The number that gets rounded is 47.4973683482.... Enough digits are shown here to show how close the number is to being rounded to 48.

If you have your calculator set to show only two decimal digits, you will get the wrong answer. Your calculator will show you 47.50, which you would appropriately round to 48.

5 0
3 years ago
The function f(x) represents the time it takes an airplane to travel east. The function g(x) represents the time it takes an air
tensa zangetsu [6.8K]

The total time taken for round trip will be: (f+g)(x) = 14x+11

Step-by-step explanation:

Given

f(x) = 4x+13\\g(x) = 10x-2

In order to find the round-trip time, we have to add both functions to represent the time taken to travel east and the time taken to travel to west.

(f+g)(x) = f(x)+g(x)\\= (4x+13)+(10x-2)\\=4x+13+10x-2\\=4x+10x+13-2\\=14x+11

Hence,

The total time taken for round trip will be: (f+g)(x) = 14x+11

Keywords: Functions, variables

Learn more about functions at:

  • brainly.com/question/663692
  • brainly.com/question/6569012

#LearnwithBrainly

6 0
3 years ago
Luiza delivers newspapers in her neighborhood. If you plot the points (−1, 1), (4, 1), (4, −2) and (−1, −2), you will create a r
wel
The first thing to do in this case is to draw the ordered pairs in the Cartesian plane and join the points.
 We have then that the resulting figure is a rectangle.
 We must find the perimeter of the rectangle that is given by:
 P = 2L + 2W
 Where,
 L: long
 W: width
 Restoring the values:
 P = 2 * (5) + 2 * (3)
 P = 16
 Answer:
 her route cover 16 miles.

5 0
3 years ago
Read 2 more answers
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