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Alexandra [31]
3 years ago
14

Joseph needs 345 cement blocks to build a wall 40 cm thick. He needs 205 cement blocks to build a wall 25 cm thick. Each block c

osts $0.75. How much more will the thicker wall cost?
Mathematics
1 answer:
IrinaVladis [17]3 years ago
7 0

9514 1404 393

Answer:

  $105

Step-by-step explanation:

The thicker wall takes 345 -205 = 140 more blocks. Each of those costs $0.75, so the added blocks will cost ...

  140 × $0.75 = $105

The thicker wall will cost $105 more.

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A flagpole has a height of 10 yards. It will be supported by 3 cables, each of which is attached to the flagpole at a point 4 ya
Contact [7]
Pytagorean theorem

height10
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8 yards from base to away


a^2+b^2=c^2
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so
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8=base

6^2+8^2=c^2
36+64=c^2
100=c^2
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so therfor the legnth of each cable is 10 yards
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30 yards needed

7 0
3 years ago
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Harrizon [31]

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8 0
4 years ago
हल गर्नुहोस् (Solve):
nlexa [21]

107/6

Step-by-step explanation:

3x+1+3x=108

6x=108-1

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3 0
3 years ago
Solving for the variable x what is 3x-3(2x-2)=-3
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3 0
3 years ago
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The following structure is composed of three right rectangular prisms that each measure 8 inches by 4 inches by 2 inches and one
Tems11 [23]

Answer:

480 in³

Step-by-step explanation:

Volume of a right rectangular prism = width x length x height

Let a = right rectangular prism with dimensions 8 x 4 x 2 in

Let b = right rectangular prism with dimensions 6 x 2 x 24 in

⇒ volume a = 4 x 8 x 2 = 64 in³

⇒ volume b = 6 x 24 x 2 = 288 in³

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Substituting found values for a and b:

⇒ total volume = 3(64) + 288

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5 0
2 years ago
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