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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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Answer:  B. (Leah did not have to provide collateral.)

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3 years ago
A city planner designs a park that is a quadrilateral with vertices at J(-1, 1), K (3, 3), L (5, -1), and
Liono4ka [1.6K]

9514 1404 393

Answer:

  83 m

Step-by-step explanation:

The attached diagram shows the lengths of the midlines to be 3.16 and 5.10 units on the coordinate plane. The sum of these is (3.16 +5.10) = 8.26 coordinate plane units. Since each unit on the coordinate plane represents 10 m, the total path length is about ...

  8.26(10 m) = 82.6 m ≈ 83 m

_____

The distance formula will tell you the distances are ...

  AC = √(3² +1²) = √10

  BD = √(5² +1²) = √26

The total path length is about (10 m)(√10 +√26) ≈ 82.61230 m ≈ 83 m.

3 0
3 years ago
A punch recipe requires 2 cups of cranberry juice to make 3 gallons of punch. Using the same recipe, what is the amount of cranb
gogolik [260]

Answer:

one and Half. .............

5 0
3 years ago
The graph of the function, f, is shown. What is the domain of f?
pentagon [3]

Answer:

D : [-2,0) U (0, infinity) ; -2<=x<0 U x>0

6 0
3 years ago
What’s the result ????????????????
Mrrafil [7]

Answer:

Option 1

Step-by-step explanation:

You must multiply (2x + 3) by (x + 4). I use the FOIL method.

(2x + 3)(x + 4)

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Simplify

2x² + 11x + 12

To check the answer, you could factor this trinomial back into a pair of binomials.

4 0
3 years ago
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