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lozanna [386]
3 years ago
14

Does this picture represent a physical or chemical change Plz help

Mathematics
2 answers:
muminat3 years ago
5 0
That’s a chemical change.
padilas [110]3 years ago
4 0

Answer:

Chemical Change

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40 POINTS been stuck on this i'd mean alot for yall to help i'll mark brianliest
g100num [7]

Answer:

For the first blank: 8

For the second blank: I think it's 913

Step-by-step explanation:

First blank: To find the area of a square do (Length * Width) For the roof do 15 * 25 to get 375. Then divide by 100 and you get 3.75 but round to 4

That's for 1 half of the roof so do cover the whole roof you need 8.

8 0
3 years ago
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The owner of the Rancho Grande has 3,044 yd of fencing with which to enclose a rectangular piece of grazing land situated along
inysia [295]

Answer:

Step-by-step explanation:

Area of the rectangular piece A = xy

x is the length

y is the width

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Given

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3044 = 2x+2y

1522 = x+y

x = 1522-y

Substitute into the formula for area

A = xy

A = (1522-y)y

A = 1522y-y²

To maximize the area, dA/dy must be zero

dA/dy = 1522-2y

0 = 1522-2y

2y = 1522

y = 1522/2

y = 761

Since x+y = 1522

X+761 = 1522

X = 761

Dimension is 761yd by 761yd

Area = 761×761 = 579121yd²

7 0
3 years ago
A carton of paper is priced at $27.00 now. If the papergoes on sale for 25% off the current price, what will be the sale price o
Alenkinab [10]
Divide the 27 by 4 and that will give you 6.75. Subract the 6.75 from the 27 and theres your answer (20.25) so the sale price is $20.25
3 0
3 years ago
ASAP 20 POINTS
ElenaW [278]
The dimensions are multiplied  by 2 so the volume is multiplied by 2^3 ( - 8)
The jumbo bos will contain 250 * 8 =  2,000 paperclips.
4 0
4 years ago
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4. Orville and Wilbur Wright made the first airplane flights in
hichkok12 [17]

Step-by-step explanation:

Represent Wilbur with W and Orville with O

The equation connecting both flights is

W - 120 = O

W = 364 feet

364 - 120 = 246

O = 246

7 0
3 years ago
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