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MariettaO [177]
2 years ago
5

• The Adult Pool Area has a total area of 15,000 square feet. The Adult Pool Area consists of a rectangular swimming pool and a

concrete walkway of even width surrounding all four sides of the pool. The swimming pool is 130 ft. by 80 ft.
Hint: First draw a picture of the pool and the walkway surrounding it on all four sides and label the walkway of even width, x.
• Now label your picture with an expression for the total length, including the walkway. Then label your picture with an expression for the total width, including the walkway.
Hint: How many sections of the walkway are added to the length? What about the width?
• Using the expressions for total length and width, find an expression for the total area of the rectangular pool and walkway. In order to solve for x, you will need to set the expression for an area equal to 15,000square feet. Now use your factoring skills to solve.
Mathematics
1 answer:
bija089 [108]2 years ago
7 0

Answer:

crested to undermine this doctrine by requiring rscial integration

Step-by-step explanation:

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What is the measure of angle 1?
Wittaler [7]

28................................................

5 0
2 years ago
A retailer who sells backpacks estimates that by selling them for x dollars each, she will be able to sell 100−x backpacks each
zvonat [6]

Answer:

x = 50

R = $2500

Step-by-step explanation:

Given in the question a quadratic equation,

−x² + 100x

To find the selling price, x, which will give highest revenue, y, we will find maximum value of parabola curve −x² + 100x

The value of -b/2a tells you the value x of the vertex of the function

−x² + 100x

here a = -1

        b = 100

Selling price = -(100)/2(-1)

                    =   50

 

R = −(50)² + 100(50)

  = 2500

8 0
3 years ago
Group the terms with variables on one side of the equal sign and simplify.
Zepler [3.9K]

Answer:

9p = 54

Step-by-step explanation:

19p = 10p + 54

Subtract 10p on both sides,

19p - 10p = 54

9p = 54

7 0
2 years ago
Read 2 more answers
Stefanie bought a package of pencils for $1.75 and some erasers that cost $0.25 each. She paid a total of $4.25 for these items,
melamori03 [73]

Answer:

Stefanie bought 10 erasers

Step-by-step explanation:

We can establish the following equation:

TP = NP*PP + NE*EP

Where:

TP = Total price; (4.25)

NP = Number of pencil packages; (1)

PP = Pencil Package's Price; (1.75)

NE = Number of erasers; (What we are looking for)

EP = Erasers Price; (0.25);

Then:

4.25 = 1*1.75 + NE*0.25;

4.25 - 1.75 = NE*0.25;

2.5/0.25 = NE;

10 = NE.

5 0
3 years ago
A concert hall has 12 seats in the first row, 14 seats in the second row, 16 seats in the third row, and so on. If the pattern c
Marrrta [24]

Given:

The number of seats in the first row is <em>a</em>₁ = 12.

The series of the increasing number of seats is 12, 14, 16......

The objective is to find the total number of seats in the first 12 rows.

Explanation:

The difference between the number of seats in each row can be calculated by the difference between the successive terms of the series.

\begin{gathered} d=14-12=2 \\ d=16-14=2 \end{gathered}

The number of rows to be calculated is <em>n</em> = 12.

To find the number of seats:

The number of seats presents in the first 12 rows can be calculated as,

S_n=\frac{n}{2}\lbrack2a_1+(n-1)d\rbrack

On plugging the obtained values in the above equation,

\begin{gathered} S_{12}=\frac{12}{2}\lbrack2(12)+(12-1)2\rbrack \\ =6\lbrack24+11(2)\rbrack \\ =6(46) \\ =276 \end{gathered}

Hence, the total number of seats in the first 12 rows is 276.

8 0
1 year ago
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