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Dovator [93]
3 years ago
13

Help please helppppp

Mathematics
1 answer:
never [62]3 years ago
3 0

Answer:

what I can help to you

Step-by-step explanation:

say something

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The area of a rectangular wall of a barn is 192 sq. Ft. It's length is 8 ft. Longer than twice it's width. Find the length and w
Novay_Z [31]

Answer: length = 24 ft

Width = 8 ft

Step-by-step explanation:

Let L represent the length of the barn.

Let W represent the width of the barn.

The area of a rectangular wall of a barn is 192 sq. Ft. This means that

LW = 192- - - - - - - - - - - - - - -1

It's length is 8 ft longer than twice it's width. This means that

L = 2W + 8

Substituting L = 2W + 8 into equation 1, it becomes

W(2W + 8) = 192

2W² + 8W = 192

2W² + 8W - 192 = 0

Dividing through by 2, it becomes

W² + 4W - 96 = 0

W² + 12W - 8W - 96 = 0

W(W + 12) - 8(W + 12) = 0

(W - 8)(W + 12) = 0

W = 8 or W = - 12

Since the width cannot be negative, then W = 8

L = 192/W = 192/8

L = 24

6 0
3 years ago
Need Help!!!!!!!!!!!!!!!!
irakobra [83]

Answer:

Edwin wins by 1 sec

Step-by-step explanation:

Hope it helped you!

5 0
3 years ago
PLEASE HELP IF MORE THAN ONE PERSON ANSWERS ILL GIVE BRAINLIEST!!!
lina2011 [118]

Answer:

see explanation

Step-by-step explanation:

The area of the shaded portion is the area of the outer circle subtract the area of the inner circle

area of larger circle = πr² ← r is the radius = 11

area = π × 11² = 121π

area of smaller circle = πr² ← r = 9

area = π × 9² = 81π

-----------------------------------------

shaded area = 121π - 81π = 40π m² ≈ 126 m²

   

6 0
4 years ago
Kindly help me!!!!!!
Oxana [17]

Answer:

Step-by-step explanation:

AS we can see the lines are parallel so

2 ( 4x - 3) + 7(x + 3) = 180° ( being so - interior angles)

8x - 6° + 7x + 21° = 180°

15x + 15° = 180°

15x = 180° - 15°

15x = 165°

x = 165° / 15

Therefore x = 11°

Now

2 ( 4x - 3) = 2 ( 4 * 11° - 3°) = 2 ( 44 - 3)° = 2* 41 = 82°

7(x + 3 ) = 7 ( 11° + 3°) = 7 * 14 = 98°

4 0
3 years ago
I need help and how do u get the answer to all of them
Vitek1552 [10]
It says to simplify so number 3 would be 12x^{3} y^{4}

Number 4 is u^{24}

Number 5 is - \frac{7}{ c^{8} }
4 0
3 years ago
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