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rosijanka [135]
2 years ago
8

The perimeter of a certain square is 20 inches. Find the area of the square in square inches.

Mathematics
2 answers:
Elena L [17]2 years ago
7 0
The answer is 25 4x4 is 25
Natali5045456 [20]2 years ago
7 0

Answer:

25 in.2

Step-by-step explanation:

Because all sides of a square are equal, and the perimeter is 20 in. We divide 20 by 4. This gives us 5 in. for each side. The area of a square is length times width, so we do 5x5. This means the area of the square is 25 square inches.

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The length of a rectangle is two less than four times the width. If the perimeter is 26 cm, find the dimensions of the rectangle
gulaghasi [49]

Answer:

w = 3

l = 10

Step-by-step explanation:

l = 4w-2

P = 26cm

P = (l + w) × 2

26 = (4w-2+w) ×2

26 = (4w + w - 2) × 2

26 = ( 5w - 2 ) × 2

26 ÷ 2 = 5w -2

13 = 5w - 2

13 + 2 = 5w

15 = 5w

w = 3

l = 4w - 2

l = (4 × 3) -2

l = 12 - 2

l = 10

7 0
3 years ago
Order of Operations With Integers. Please help me solve and how you got the answer!! help, please!!
Nuetrik [128]

Answer:

2

Step-by-step explanation:

\frac{(-2)(-3)(-4)}{-9 + (-3)}

First, simplify the top and bottom separately:

\frac{-24}{-12}

Then, just divide:

-24 / -12 = 2

7 0
2 years ago
The amount of gasoline remaining on the tank decreases with mileage driven. Identify the independent and dependent quantity in t
never [62]
Independent is the gasoline amount and dependent is the mileage driven
3 0
2 years ago
Read 2 more answers
Find the length of the missing side and show the work please
Yanka [14]

Answer:

13 cm

Step-by-step explanation:

Using Pythagorean theorem

5²+12²=c²

25+144=c²

169=c²

In order to get rid of the ² it has to be square rooted

√169=√c²

c = 13

5 0
3 years ago
The square root of a number is between 8 and 9. Which of the following could be the value of that number? Is it 8.6, 74, 80, or
aev [14]
Its 80 because if you find perfect square around the number 80 you'd get

√64 and √81
which would be 8 and 9
3 0
3 years ago
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