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inysia [295]
3 years ago
8

Please help out with my math, I don't know how to do these problems.

Mathematics
1 answer:
agasfer [191]3 years ago
5 0

Step-by-step explanation:

in 2nd... one you also have to find a x and a y....if you want a deep explantion...comment me...and if tried to build two equation and use the method i taught u...let me know the answer.i will let you know whether you are right ot not

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A hovercraft takes off from a platform. Its height (in meters), xxx seconds after takeoff, is modeled by: h(x)=-2x^2+20x+48h(x)=
Ad libitum [116K]

the maximum height is the y-value of the vertex.

h(x) = -2x² + 20x + 48

      <em>  a=-2, b=20, c=48</em>

x = \frac{-b}{2a} = \frac{-20}{2(-2)} = \frac{-20}{-4} = 5

h(5) = -2(5)² + 20(5) + 48

      =  -50   +  100   + 48

      =          50         + 48

      =                98

Answer: 98 meters

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3 years ago
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2 years ago
The answer to this question is C) 7
Sedbober [7]

Answer:

the answer is C)7                                        

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3 years ago
Drop downs are for the first one
mixas84 [53]

Answer:

According to Angle Bisector Theorem, if Ray YZ is an angle bisector, then MZ and NZ are congruent.

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8 0
2 years ago
Answer please, thanks.
Rudik [331]
A) The perimeter is the length around the rectangle, so it would be 2 + 5 + 2 + 5 = 14m

The area is 2m * 5m = 10m^2

b/c) You have to draw a rectangle with a perimeter of 14m, and an area that ISN'T 10m^2. You could draw a 3m by 4m rectangle which would have a perimeter of 14m and an area of 12m^2.
4 0
3 years ago
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