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kondor19780726 [428]
3 years ago
13

Can y'all help me with my math problem please

Mathematics
1 answer:
matrenka [14]3 years ago
5 0

Answer:

A

Step-by-step explanation:

Hello, option B is correct

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An object is launched from a platform.
tankabanditka [31]

Answer:

  10

Step-by-step explanation:

Ground level is where h = 0, so solve the equation ...

  h(x) = 0

  -5(x -4)^2 +180 = 0 . . . . substitute for h(x)

  (x -4)^2 = 36 . . . . . . . . . . divide by -5, add 36

  x -4 = 6 . . . . . . . . . . . . . . positive square root*

  x = 10 . . . . . . add 4

The object will hit the ground 10 seconds after launch.

_____

* The negative square root also gives an answer that satisfies the equation, but is not in the practical domain. That answer would be x = -2. The equation is only useful for time at and after the launch time: x ≥ 0.

8 0
3 years ago
What is the equation of the line in slope-intercept form with slope -3/2 and y-intercept -5?
V125BC [204]

About Slope Intercept Form:

  • y = mx + b
  • m represents the slope
  • b represents the y-intercept or AKA the starting point

ABOUT PROBLEM:

  • Since -3/2 is the slope, it represents m in Slope Intercept Form
  • Since -5 is the y-intercept, it represents b in Slope Intrecept Form

y = mx + b

y = -3/2x + -5 --- IN Slope Intercept Form


Hope this helps you!!! :)


5 0
3 years ago
9. A rectangular garden has a length that is 3 feet longer than its width. Let w represent the width of the garden, in feet. The
inysia [295]

Answer:

B

Step-by-step explanation:

w=width

l=w+3

(w+4)=width+walkway(both sides)

(w+7)=length+walkway(both sides)

7 0
3 years ago
What is the distance between point A and B , to the nearest tenth ?
kondaur [170]
I can’t see where they are
6 0
3 years ago
Please help me I tried to do it
anyanavicka [17]
You do 9x27=243 then take 2x31=62 add 243+62=305 then take 305 and subtract it from 28 305-28=277 
so if i did it right you should get n=277
8 0
3 years ago
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