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Masteriza [31]
2 years ago
6

A square pool has a side length of x feet.A uniform border around pool is 1 footwide.The total area of the pool and the border o

s 361 square feet.What is the area of the pool
Mathematics
1 answer:
lions [1.4K]2 years ago
8 0
The total area of pool and border = 361  square feet.

Length of square pool = x

Length of square pool plus border =  (x + 1 +1 ) = x + 2

There is 1 foot length on each side on the x  length.

The other length of the square pool and border =  (x + 2)

Area = (x+2)(x+2)

     (x + 2)(x +2) =  361.            Let A = x +2

        A*A = 361
            A²  = 361    Take square root of both sides
             A  = √361
               A = 19

A = x + 2 = 19
       x = 19 - 2
       x = 17

Area of square pool = x*x = 17*17 = 289

Area of the pool = 289 square feet.
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A butcher $32 for X pounds of beef ribs. Which expression represents the price per pound?
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Answer:

The expression $32/x represents the price per pound.

Step-by-step explanation:

Given:

$32 for X pounds of beef ribs.

Now, the symbol which represents the per is this →  / .

So, $32/x shows the expression for the price per pound.

Therefore, the expression $32/x represents the price per pound.

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gregori [183]

Answer:

tge answer is 36 mintutes. can i be brainelest?

Step-by-step explanation:

3 0
3 years ago
PLEASE HELP!!!!!! DUE!!!!!!!!!
ollegr [7]

Answer:

y = 1/4x - 2

Step-by-step explanation:

Line whose perpendicular which we have to find : 8x+2y=14

A line which is in the form of ax + by = c

has slope - a / b

Thus slope for 8x+2y=14 is -8/2 = -4.

_______________________________________

Slope of two lines with slope m1 and m2 which are perpendicular to each other have the slope relation as

m1*m2 = -1.

here m1 is -4. we have to fine m2

thus

-4*m2 = -1

=> m2 = -1/-4 = 1/4

_________________________________________

Equation of slope intercept form line is y = mx + c

c is the intercept of line on y axis

and m is the slope of line.

Thus required line has equation

y = mx + c

m we have calculated as 1/4

thus

y = 1/4x + c

Given that this line passes through (−4,−3). Hence, this point will satify the equation y = 1/4x + c.

Substituting value of x and y with coordinates we have  (−4,−3)

-3 = (1/4) * (-4) + c

-3 = -1 + c

=> c = -3 + 1

=> c = -2

y = 1/4x + c , substituting the value c calculated

y = 1/4x - 2

Thus , equation of line perpendicular to the line 8x+2y=14 and passing through point (−4,−3) is  y = 1/4x - 2.

3 0
3 years ago
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anzhelika [568]

Answer: 0.1714 miles / hour

Step-by-step explanation:

Given the following :

Distance to the store = 3 miles

Time taken to get to store = 12 hours

Time taken to return = 23 hours

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Average Speed = total distance traveled / total time taken

Total distance traveled = 2 × 3 miles = 6 miles

Total time taken = 12 + 23 = 35 hours

Average speed = 6 miles / 35 hours

Average speed = 0.1714 miles / hour

3 0
2 years ago
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