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ad-work [718]
3 years ago
12

Curly used a shovel to dig his own swimming pool. He figured he needed a pool because digging it was hard work, and he could use

it to cool off after working on it all day. He also planned to build a rectangular concrete deck around the pool that would be 6 feet wide at all points. The pool is rectangular and measures 14 feet by 40 feet. What is the area of the deck?

Mathematics
1 answer:
Svetlanka [38]3 years ago
7 0
Check the picture below.

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Which variable will you choose to eliminate? How?
Inga [223]

Answer:

  • Variable elimination
  1. 8x+3y=-7
  2. 3y=-8x-7
  3. y=-8/3x-7/3
  • Now plug it into y
  • 7x-16/3x-14/3=-3
  • 5/3x-14/3=-3
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What is the change in temperature from -45°F to - 71°F?
wlad13 [49]
The answer to this question would be -26
6 0
4 years ago
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Bill needs to find the area of the ground covered by a conical tent. The tent is 12 feet tall and makes a 70° angle with the gro
Alchen [17]
To get the area of the cone we need to find the radius first.
tan 70=r/12
r=12tan 70
area of a circle is given by:
A=πr²
thus the area of the ground covered by the tent will be:
A=π(12tan70)²
The answer is 
A] A=π(12tan70°)²
6 0
3 years ago
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Question 19 please help
vfiekz [6]
√105
if u see its factor are only 3,5,7 so it cant be simplify
answer should be √105
B
4 0
4 years ago
How do I solve this?
vladimir1956 [14]

Answer:

3p³ + 2p² – 3p – 11

Step-by-step explanation:

From the question given above, the following data were obtained:

Side 1 (S₁) = –1(p + 5)

Side 2 (S₂) = 2(p² – 3)

Side 3 (S₃) = 3p³ – 2p

Perimeter (P) =?

The perimeter of the triangle can be obtained as follow

P = S₁ + S₂ + S₃

P = –1(p + 5) + 2(p² – 3) + 3p³ – 2p

Clear bracket

P = –p – 5 + 2p² – 6 + 3p³ – 2p

Rearrange

P = 3p³ + 2p² – 2p – p – 6 – 5

P = 3p³ + 2p² – 3p – 11

Therefore, the perimeter of the triangle is 3p³ + 2p² – 3p – 11

4 0
3 years ago
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