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jek_recluse [69]
3 years ago
10

URGET! PLEASE HELP ASAP! WILL GIVE BRAINLIST! Complete the description of the piecewise function graphed below

Mathematics
1 answer:
Bezzdna [24]3 years ago
6 0

Answer: f(x) = -3 if -4 ≤ x ≤ -1

Explanation: The filled in circles mean that solution is possible, so you use the equal to sign.

Hope this helps!

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A room has dimensions of 12' by 13' by 8'. Calculate the amount of molding necessary for a decorative strip at the floor and at
faust18 [17]
The dimensions of a room are determined by its length, width and height.  In this problem we will assign a length of 12', a width of 13', and a height of 8' (as standard ceiling heights in most homes are 8' high).  To calculate the amount of molding needed for strips at the top of the room and the bottom of the room we need to find the perimeter of the room.  A length of 12' and a width of 13' make this room a rectangle.  Determine the perimeter by adding 12' + 13' and multiplying the sum by 2 to get 50'.  Multiply 50' x 2 to account for a decorative strip of molding at the floor and the ceiling and you get 100' total molding needed.
7 0
3 years ago
Find the solution of the system of equations.
irina1246 [14]

Answer:

x = -5 ;  y= -1

Step-by-step explanation:

10y = -10

y = -1

-8x = 44 -4

-8x = 40

x = -5

4 0
2 years ago
Help me please:) thanks
xeze [42]

Answer:

C. 21.98

Step-by-step explanation:

In this case, you would have to multiply 3.14 times 7. If you didn't have the diameter, and all you had was the radius, you had find half of seven, which is 3.5, multiply that by 2, and finally multiply that answer by 3.14. Hope this helps! Have a nice day :D

5 0
3 years ago
Read 2 more answers
If California has 6,480 residents and each resident produces about 182 cubic feet of garbage per year, how long can the landfill
svetoff [14.1K]

Answer:

0

Step-by-step explanation:

Just 4 people per year would overflow the landfill, how would it survive 6480 people?

5 0
3 years ago
A giant scoop, operated by a crane, is in the shape of a hemisphere of radius 21 inches. The scoop is used to transfer molten st
eduard

Answer:

31.5 in

Step-by-step explanation:

  • Volume of a hemisphere = (2/3)\pir³
    (where r is the radius)
  • Volume of a cylinder = \pir²h
    (where r is the radius and h is the height)
  • radius r = (1/2) diameter

First, find the volume of the scoop using the volume of a hemisphere formula with r = 21:

Volume = (2/3)\pi x 21³ = 6174\pi in³

Now equate the found volume of the scoop to the equation of the volume of a cylinder with r = 14, and solve for h:

                                            \pi14²h = 6174\pi

                                            196\pih = 6174\pi

 Divide both sides by \pi:        196h = 6174

Divide both sides by 196:          h = 31.5

Therefore, the height of the molten steel in the storage tank is 31.5 in

3 0
2 years ago
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