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disa [49]
3 years ago
9

Jolly Middle School is building a park, in the shape of a square, with an area of 256 square feet. How much fence do they need t

o buy to close in the park?
Mathematics
2 answers:
kumpel [21]3 years ago
6 0

Answer:

well that would mean that the perimeter is 256/4 and that is 64

Step-by-step explanation:

i think the answer is 64

o-na [289]3 years ago
5 0
The answer is 64 , good luck.
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. Which ordered pairs in the form (x, y) are solutions to the equation 7x – 5y = 28?
Brut [27]

we know that

If a ordered pair (x,y) is a solution of the equation, then the ordered pair must satisfy the equation

we have the equation

7x-5y=28

Let's verify all the cases to determine the solution to the problem.

<u>case A)</u> point (-6,-14)

Substitute the values of x and y in the equation

x=-6\\y=-14

7(-6)-5(-14)=28

-42+70=28

28=28 -------> is  true

therefore

The point  (-6,-14) is a solution of the equation

<u>case B)</u> point (-1,-7)

Substitute the values of x and y in the equation

x=-1\\y=-7

7(-1)-5(-7)=28

-7+35=28

28=28 -------> is  true

therefore

The point  (-1,-7) is  a solution of the equation

<u>case C)</u> point (4,10)

Substitute the values of x and y in the equation

x=4\\y=10

7(4)-5(10)=28

28-50=28

-22=28 -------> is not true

therefore

The point (4,10) is not a solution of the equation

<u>case D)</u> point (7,9)

Substitute the values of x and y in the equation

x=7\\y=9

7(7)-5(9)=28

49-45=28

4=28 -------> is not true

therefore

The point  (7,9) is not a solution of the equation

therefore

<u>the answer is </u>

(-6,-14)

(-1,-7)

8 0
3 years ago
Read 2 more answers
What is the value of the discriminant for x2 + 5x = -7?​
Verdich [7]

Answer:

x = -1

Step-by-step explanation:

2x + 5x = -7

7x = -7

x = -1

3 0
2 years ago
If the number of roaches triples every day, and there are 10 to start with, write an equation to represent this situation. How m
victus00 [196]

Answer:

430,467,210

Step-by-step explanation:

ur answer maybe idk

8 0
3 years ago
Tell whether the equation has one, zero, or infinitely many solutions.
ahrayia [7]

Answer:

Infinitely many solutions.

Step-by-step explanation:

4(x-8)+9=4x-23

4x-32+9=4x-23

4x-23=4x-23

infinitely many solutions.

7 0
2 years ago
20 yards for $30.00
sertanlavr [38]
A) $55.00
65 yards for $85.00 subtract
20 yards for $30.00
85-30=55
4 0
3 years ago
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