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damaskus [11]
4 years ago
9

Parker is laying pavers to build a patio in his backyard. Each square paver measures 2 feet on each side. He would like the pati

o to be 16 feet by 8 feet. Area of a square formula A = s2. Area of a rectangle formula A = lw. How many pavers does Parker need to build the patio?
Mathematics
1 answer:
Alex787 [66]4 years ago
3 0

Answer:

32 pavers

Step-by-step explanation:

step 1

Find out the area of one square paver

The area of a square is

A=s^{2}

where

s is the length side of the square

we have

s=2\ ft

substitute

A=2^{2}\\A=4\ ft^{2}

step 2

Find out the area of the rectangular patio

we know that

The area of a rectangle is

A=LW

we have

L=16\ ft\\W=8\ ft

substitute

A=(16)(8)\\A=128\ ft^2

step 3

Find out the number of pavers needed to build the patio

Divide the area of the rectangular patio by the area of one paver

128\ ft^2/4\ ft^{2}=32\ pavers

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Let Zia's age be = x years

Raj is three years older than Zia, so Raj's age = x+3 years

As the sum of the squares of their ages is 369, so

x^{2}+(x+3)^{2}=369

x^{2}+x^{2}+6x+9=369

2x^{2}+6x+9=369

2x^{2}+6x-360=0

Factoring 2 out we have,

x^{2}+3x-180=0

Now solving this equation,

x^{2}+15x-12x-180=0

x(x+15)-12(x+15)

(x+15)(x-12)

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Neglect the negative value as x cannot be negative

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Hence, Zia's age is 12 years and

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4 0
3 years ago
As a butcher, you sell beef in 3.5-pound packages. You anticipate needing 25 packages for the next two days. The
bekas [8.4K]

Answer:

O weight in kilograms = 25 x 3.5 ÷ 2.2

Step-by-step explanation:

As a butcher, you sell beef in 3.5-pound packages. You anticipate needing 25 packages for the next two days.

Therefore, the total number of pounds for the 25 packages =

3.5 pound packages × 25

= 87.5 pounds

We are told that : The wholesaler from whom you purchase large pieces of meat measures the weight of the beef in kilograms.

Note that:

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Hence:

87.5 pounds =

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The equation can you use to determine the weight of the beef, in kilograms, that you need to purchase from the wholesaler is:

O weight in kilograms = (25 x 3.5) ÷ 2.2

7 0
3 years ago
Multiply.
Salsk061 [2.6K]

Answer: The answer is 0 it can not be a mixed number or a proper fraction because 0 is not a part of a whole aka ( a mixed number or a proper fraction )

Step-by-step explanation:

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<h3>Answer:</h3>

... x = 2y^7 -13y^8 -3

<h3>Explanation:</h3>

An inverse relation is one with the independent and dependent variables interchanged.

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_____

<em>Comment on inverse functions</em>

A function and its inverse are mirror images of each other across the line y=x. This can be seen in the attached graph.

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the answer is zero cause theirs only y no x

Step-by-step explanation:


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