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kompoz [17]
2 years ago
7

The perimeter of a square is represented by the expression 32x - 12.8 find the side length of the square.

Mathematics
1 answer:
djverab [1.8K]2 years ago
8 0

Given:

Perimeter of a square = 32x-12.8

To find:

The side length of the square.

Solution:

We know that, the perimeter of the square is 4 times of its side length.

P=4a

Where, a is the side length.

Perimeter of a square = 32x-12.8

Now,

4a=32x-12.8

Divide both sides by 4.

a=\dfrac{32x-12.8}{4}

a=\dfrac{32x}{4}-\dfrac{12.8}{4}

a=8x-3.2

Therefore, the side length of the square is 8x-3.2 units.

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A field is a rectangle with a perimeter of 960 feet. The length is 100 feet more than the width. Find the width and length of th
marta [7]
To start, let x represent the width and x+100 represent the length.

Since the perimeter of a figure is the sum of all the measurements of the side which can be represented by (x+100)+(x+100)+x+x and since you know your perimeter is 960 feet, you can set the expression equal to 960. This would look like this:
(x+100)+(x+100)+x+x=960

Once you have done that, combine any like terms (combine terms with the same variables and raised to the same power together) which would simplify to this:
4x+200=960

Now that you have your like terms simplified, subtract 200 from both sides to get 4x=760 and finally, to solve for x, or find the width, divide both sides by 4 to get x=190.

Now that you have your width, now you must find your length as the question asks to find the dimensions of the rectangular field. To find the length, add 100 to the width of (190) since according to the information given, the length is 100 more than the width. When you add 100 to 190, you should get that your length is 290.

Now that you have your length and width, you can conclude that the dimensions of the field is 190 by 290 feet, which is your answer :)
4 0
2 years ago
I- Please someone help me -_- I hate math so much
zzz [600]

Answer:

5 & 13

Step-by-step explanation:

a. -9 + 4 = -5

Absolute Value = 5

b. Absolute value of -9 is 9

9 + 4 = 13

<em>hope this helps :)</em>

6 0
2 years ago
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Select Parameter or Statistic to classify each statement.
REY [17]

Answer:

Step-by-step explanation:

A parameter describes a population, and a statistic describes a sample.

The first one is a statistic.  A sample was surveyed.

The second one is a parameter.  It describes the entire soccer team.

The third one is a statistic.  A sample was surveyed.

The fourth one is a parameter.  It describes the entire golf team.

6 0
3 years ago
WHATS THE MEASURE OF ANGLE D
valentina_108 [34]

Answer:

7.6

Step-by-step explanation:

m<DBA is 68 degrees

4 0
2 years ago
PLZZZZZZZZZZZZZZZZ HELP ME i begging YOUUUUU !!!!!!!!!!!!!!!!!!!!!!!!!!!
pantera1 [17]

Answer:

-11/20

Step-by-step explanation:

    2      8   1

 (0-— ÷ (0-—))+—

    3      9   5

           8

Simplify   —

           8/9

2         8     1

 (0 -  — ÷ (0 -  —)) + —

       3         9     5

Simplify   —

           2/3

2   -8     1

 (0 -  — ÷ ——) +  —

       3   9      5

2      -8

Divide  —  by  ——

        3      9

To divide fractions, write the divison as multiplication by the reciprocal of the divisor :

2     -8       2      9

—  ÷  ——   =   —  •  ——

3     9        3     -8

(0--3/4)+1/5

Least Common Multiple:

     20

Left_M = L.C.M / L_Deno = 5

Right_M = L.C.M / R_Deno = 4

      3 • 5 + 4                 -11

—————————  =  ———

      20                            20

-11/20

3 0
3 years ago
Read 2 more answers
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