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valentina_108 [34]
3 years ago
14

PLZZZ ANSWER :(-!!!!!! | | | v

Mathematics
2 answers:
elixir [45]3 years ago
8 0

Answer: 1400

Step-by-step explanation: you add 40 and 30 then you times it by 20 because it said " what is the area of the part that's painted blue" it's trying to throw you off by having  the other numbers by the window and the door.

Svetllana [295]3 years ago
8 0

Answer:

679 square feet

Step-by-step explanation:

First, I divided the shape into TWO parts, the triangle and the square. I did the triangle first. What I do is Make a quadrilateral from the triangle and solve the are for that then divide by two. So,

10*20=200

200/2=100

The first part is 100.

Then I did all the white areas.

The door is 5*3 so,

5*3=15

The area is 15.

Then the window.

2*3=6

The area is 6.

Now for the big blue square.

30*20=600

The area of that is 600.

No, you need to add the triangle to the square.

100+600=700

And now to subtract the windows and doors (you cant paint those)

15+6=21

700-21= 679

The area the must be paitned is 679 square feet.

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URGENT!!!
garri49 [273]

Answer:

B:  (x - 4)² = 44

Step-by-step explanation:

Start with x^2 - 8x - 10  =  18.

Simplify the constants by adding 10 to both sides:  x^2 - 8x - 10 + 10 = 18 + 10.

Then x^2 - 8x = 28.

Now identify the coefficient of x.  It is -8.  

Take half of this, obtaining -4.

Square this result, obtaining 16.

Add 16, and then subtract 16, to x^2 - 8x:

x^2 - 8x + 16 - 16 = 28.

Add 16 to both sides:

x^2 - 8x + 16 = 28 + 16 = 44

Rewrite x^2 - 8x + 16 as (x - 4)², so that we have:

(x - 4)² = 44.  This is in the form (x - p)² = 44, and matches Answer B.

Note:  Please use " ^ " to indicate exponentiation:  (x - 4)^2 = 44

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