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Verdich [7]
3 years ago
9

F(x)=-x^2 +4x+5Find the vertex

Mathematics
1 answer:
marshall27 [118]3 years ago
4 0

Vertex formula: -b/2a

b=4

a=-1

-4/2(-1)

= -4/-2

= 2

Plug 2 for x in the equation, and you will get y = 9

Vertex: (2,9)

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Rhonda Hartman purchased a camper for 4,927.00, a lantern for 32.87, and a propane grill for 86.50. the state tax is 4.5 percent
Butoxors [25]
The total amount of tax on her purchases is $378.47
7 0
4 years ago
17
Alexandra [31]

Answer:

She saved $46

Step-by-step explanation:

1. Price for 3 adults would be $144

2. Price for 4 children would be $104

3. Total price for individual tickets would be $248

4. She bought 1 of [Combo 1] and 1 of [Combo 2]

5. Therefore, she paid $202

6. She saved $46

8 0
3 years ago
This composite figure is made up of three simpler shapes. What is the area of the figure? 7 cm 4 cm 5 cm 4 CE 8 cm A. 66 square
kirza4 [7]

The total area of the given figure will be 66 square cm.

<h3>What is an area? </h3>

The space occupied by any two-dimensional figure in a plane is called the area. Here we have three shapes a triangle, a rectangle and a parallelogram.

Total area = Area of triangle + Area of rectangle + Area of parallelogram

Total area = [(1/2) x 4 x7]   +  [4  x  5]  + [ 4   x   8 ]

Total area =  14+20+32

Total area = 66 square cm

Hence the total area of the given figure will be 66 square cm.

To know more about the area follow

brainly.com/question/24375372

#SPJ1

5 0
3 years ago
The coordinates of the vertices of a polygon are The coordinates of the vertices of a polygon are (-5,1).(-1,3).(2,3) (2, - 2) (
eduard

Answer:

the answer is ≊20.4 I think not 100% sure

Step-by-step explanation:

if right please mark this answer brainliest

8 0
3 years ago
2x - y = 3<br> y = -x<br> What’s the value of x?
zlopas [31]

Answer:

These are simultaneous equations.They have to be solved like this:

2x-y=3 -y=3-2x 2x-3= -x

y= -x y= -(3-2x) 3x= 3

y=2x-3 x=1

Step-by-step explanation:

The value of x equals to 1

3 0
3 years ago
Read 2 more answers
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