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alisha [4.7K]
2 years ago
7

Each side of a square peice of cardboard is 9 inches long what is the peice of cardboard area

Mathematics
2 answers:
Mrac [35]2 years ago
8 0

Answer:

81 square inches

Step-by-step explanation:

9*9 = 81

DIA [1.3K]2 years ago
4 0

To find the area of a square, <em>we multiply the length by its width </em>

In this case, the length and width of the square area are both 9!

We know this becasue it says "<u>each side of a square piece of cardboard is 9 inches long" </u>

Now let's solve the problem

Area = L × W

Area = 9inches × 9inches

Area = 81 inches²

*I put the "²" above inches because any area of a square is just multiplying the same number by itself or ... in other words... "squaring it"

[ex: 9² = 9 × 9]

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How is the process of dividing integers similar to the process of multiplying integers? Select your answer from the drop drown m
vladimir2022 [97]

Answer:

In both cases, if the signs of the initial numbers are the same, the answer will be positive. If the signs are different, the answer will be negative

Step-by-step explanation:

Required

Signs of results of multiplication and division

If two non-zero numbers have the same sign, and they are multiplied together, the end result will be positive.

For instance:

2 * 4 = 8

2 and 4 are positive; so, 8 is positive

-2 * -4 = 8

-2 and -4 are negative; so, 8 is positive

If two non-zero numbers have different signs, and they are multiplied together, the end result will be negative.

For instance:

-2 * 4 = -8

-2 is negative, and 4 is positive; so, -8 is negative

2 * -4 = -8

2 is positive, and -4 is negative; so, -8 is negative

5 0
3 years ago
Find the area of a triangle with sides 8 equals 5 b equals 8 and C equals 11
IceJOKER [234]
I round the answer to the second digit and get 18.33

4 0
3 years ago
Which expression is equivalent to 5x +10y-15
diamong [38]

I think it's 5(x+2y-3)

7 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=2%20-%206%20%5Cdiv%206" id="TexFormula1" title="2 - 6 \div 6" alt="2 - 6 \div 6" align="absmid
Karolina [17]

2 - 6 ÷ 6 (Order of Operations - PEMDAS)

= 2 - 1

= 1

Answer is 1

7 0
3 years ago
16 The perimeter of the pentagon is equal to the perimeter of the square.
STatiana [176]

7x+2

Step-by-step explanation:

add all the sides of the pentagon and make it equal to the perimeter of the square which is 4y

sides of the pentagon are

5x+3

2x+3

7x+4

9x-10

5x+8

28x+8=4y

7x+2 = y

7x+2 = answer

gathmath

gathmathier6961

another way :

in a standardized test you may want to use real numbers

make x equal a prime number like 3

so then the sides are

18

9

25

17

23

=

92

then divide by 4

23

then divide by 3

which is 7 remainder of 2

which is

7x+2

8 0
2 years ago
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