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krok68 [10]
3 years ago
10

A neighborhood was given a vacant lot in the shape of a rectangle on which to build a park. The neighborhood is

Mathematics
2 answers:
Helen [10]3 years ago
5 0

Answer:

1 2 and 4

Step-by-step explanation:

erastovalidia [21]3 years ago
3 0

Answer:

The answer to your question is below

Step-by-step explanation:

Formula

Triangle's Area = 1/2 bh/2

Trapezoid's area = 1/2 (b1 + b2)h

Parallelogram's area = bh

Rectangle's area = bh

Considering the formulas, we can conclude that:

a) The first choice is true, both formulas have 1/2 in.

b) The second choice is also true, both equations are the same

c) The third choice is incorrect

d) This choice is correct, the bases are added,

e) This choice is incorrect, the sides are not added.

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Someone help me with this please
storchak [24]

Answer:

x = 114

Step-by-step explanation:

180 - 105 = 75

39 + 75 = x

x = 114

8 0
2 years ago
Jenna starts with $50 and she sells her homemade cookies for $2 each. Elijah starts with $32 and he sells his homemade cookies f
GuDViN [60]

Answer:

if Jenna sold none, Elijah would sell 6... C=6

Step-by-step explanation:

Add 6 to 32

6 0
2 years ago
A scientist needs 4.8 liters of a 12% alcohol solution. She has available a 22% and a 10% solution. How many liters of the 22% a
yanalaym [24]

Answer:

  • 4.0 L of 10%
  • 0.8 L of 22%

Step-by-step explanation:

For mixture problems, it is convenient to define a variable to represent the amount of the greatest contributor. Let x represent the amount of 22% solution in the mix. Then 4.8-x is the amount of 10% solution.

The amount of alcohol in the mix is ...

  0.22x +0.10(4.8-x) = 0.12(4.8)

Eliminating parentheses, we have ...

  0.22x -0.10x +0.10(4.8) = 0.12(4.8)

Subtracting (0.10)(4.8) and combining x-terms gives ...

  0.12x = 0.02(4.8)

  x = (0.02/0.12)(4.8) = 0.8 . . . . . divide by the x-coefficient

The scientist needs 0.8 L of 22% solution and 4.0 L of 10% solution.

5 0
3 years ago
Plz help me asap worth 20 points
Ainat [17]

Answer:

OK so the equation has a exponent so if there is a exponent then you need to multiply. since 227 is the Area and the exponent is 2.

Step-by-step explanation:

3 0
2 years ago
Finding the value of the x
natali 33 [55]

Answer: do a proportion

Step-by-step explanation:

So it would be a number over a number and equals X over a number.

4 0
3 years ago
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