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NeX [460]
3 years ago
7

What is the formal definition of a square ?

Mathematics
2 answers:
svlad2 [7]3 years ago
5 0

It is a quadrilateral with four equal sides.

AfilCa [17]3 years ago
3 0

A shape with 4 equal sides.

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During the summer , you want to earn at least $150 per week. You can earn$10 per hour working for a farmer, and $5 per hour baby
almond37 [142]
X = nr. hrs working for a farmer;
y = nr. hrs. babysitting;
x + y <= 25;
10x + 5y >= 150

a) Solve the system => one of the solution is  x =5; y = 20(babysitting)
b) 10 + 12 =22 <= 25; 10*10 + 5*12 = 160 >=150.


7 0
3 years ago
Read 2 more answers
Simplify:<br><br><br> 2+5(x+3)- (2x-7)(x+2)<br><br> PLEASE SHOW WORK!!!
svetoff [14.1K]

Answer:

2+5(x+3)- (2x-7)(x+2)

7(x+3)- (3x+4x-7x-14)

(7x+21)-(7x-7x-14)

(7x+21)-(14)

7x+21-14

=7x+7

<h2><em>Please mark as brainliest answer!!!!</em></h2>

<em></em>

4 0
2 years ago
Read 2 more answers
Area of square = 135 mm²<br> Perimeter of square=
11Alexandr11 [23.1K]

Answer:

About 11.62 by 11.62

A square had equal sides so you find the square root of 135 and that is rounded to 11.62.

So the perimeter would be about 46. But 46.48 exactly.

3 0
2 years ago
Read 2 more answers
Lorena is designing a rectangular patio in her garden. She has enough tiles to cover 324 square feet. She wants the length of th
IceJOKER [234]

Using the area of a rectangle, it is found that her patio should have a width of 12 feet and a length of 27 feet.

<h3>What is the area of a rectangle?</h3>

The area of a rectangle of length l and width w is given by:

A = lw.

In this problem:

  • She has enough tiles to cover 324 square feet, hence A = 324.
  • She wants the length of the patio to be 15 feet longer than the width, hence l = 15 + w.

Thus:

324 = w(15 + w)

w^2 + 15w - 324 = 0

w = -27 or w = 12.

We take the positive value, hence l = 15 + w = 15 + 12 = 27 feet.

The dimensions should be a width of 12 feet and a length of 27 feet.

You can learn more about the area of a rectangle at brainly.com/question/10489198

7 0
2 years ago
What is the best estimate for the area of circle A, in square units? Use the approximation “pie”≈3.14.
amm1812

Answer:

153.86 un²

Step-by-step explanation:

Area circle = πr²

Radius is the distance of the center to the edge(perimeter)

Radius = 7

Area circle = 3.14(7)²

Area circle = 3.14 * 49 = 153.86

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

7 0
3 years ago
Read 2 more answers
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