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SVETLANKA909090 [29]
3 years ago
12

What is the answer For this question?

Mathematics
1 answer:
MaRussiya [10]3 years ago
7 0

Answer:

A

Step-by-step explanation:

Since you're finding the difference between the Nile and Arkansas you're going to subtract

6,853-1,469

5,384

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3. The backyard of a home is a rectangle 25m by 30m. A garden of uniform width is to be
KiRa [710]

Answer:

Part A

The width of the garden is approximately 3.987 meters

Part B

Please find attached the drawing of the solution

Step-by-step explanation:

Part A

The given parameters are;

The dimensions of the backyard of the home = 25 m by 30 m

The width of the garden to be built in the yard = Uniform width

The shape of the grass left inside = Rectangular

The area of the grass at the center = The area of the garden

Let 'x' represent the width of the garden, we have;

The length of the rectangular grass area at the center, l = 30 - 2·x

The width of the rectangular area of grass at the center, w = 25 - 2·x

The area of the rectangular backyard, A = 30 m × 25 m = 750 m²

The area of the rectangular backyard, A = (The area of the garden) + (The area of the rectangle of grass inside)

The area of the rectangle of grass, GA = (30 - 2·x)·(25 - 2·x) = The area of the garden

The area of the rectangular backyard, A = 750 = (30 - 2·x)·(25 - 2·x) + (30 - 2·x)·(25 - 2·x)  = 2 × (30 - 2·x)·(25 - 2·x) = 8·x² - 220·x + 1,500

∴ 750 = 8·x² - 220·x + 1,500

8·x² - 220·x + 1,500 - 750 = 0

8·x² - 220·x + 750 = 0

x = (220 ± √(220² - 4 × 8 × 750))/(2 × 8)

x ≈ 23.513, or x = 3.987

When x = 25.513, the width of the rectangle of grass inside, w = 25 - 2 × 23.513 = -22.026, which is not a natural (physically possible)

Therefore, the possible width of the garden, x ≈ 3.987

Part B

The drawing of the solution created with MS Visio is attached

6 0
2 years ago
What is 10 and 2/3 divided by 8?
postnew [5]
10 and 2/3 = 32/3
32/3 x 8 = 256/3
256/3 = 85.33333333333 repeating

4 0
3 years ago
5/8 divide by 1/4  simplest form
rewona [7]
It's 5/2 not simplified and 2.5 simplified 
7 0
2 years ago
Can some one please help me complete this table?
8_murik_8 [283]

Answer: -1 would be -d

0 -> d

1 -> f

2 -> stays same

(if this is not the right answer I'm sorry because i learned this awhile ago

4 0
2 years ago
(-2) times (+5) times (-1) times (-5) times (-2)<br> please can u answer fast i have a test in 2 min
zlopas [31]

Answer:

100

Step-by-step explanation:

4 0
9 months ago
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