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Rudiy27
3 years ago
7

Plz helpppppppppppppppppppppp​

Mathematics
2 answers:
Kisachek [45]3 years ago
8 0

Answer:

The area would be 400 cm squared (please give me brainliest) (hope this helps)

Step-by-step explanation:

a square notebook would have all equal sides so if one is 20 cm all others are the same .

area is length times width

this would be 20 cm times 20 cm which is 400cm

Bond [772]3 years ago
5 0

Answer:

40cm squared

Step-by-step explanation:

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Express the product in simplest form.
Dmitry [639]

The product in simplest form is (x - 4)

<em><u>Solution:</u></em>

<em><u>Given expression is:</u></em>

\frac{8}{2x+8} \times \frac{x^2-16}{4}

We have to find the product in simplest form

In the given expression,

2x + 8 = 2(x+ 4)

We know that,

a^2-b^2=(a+b)(a-b)

Therefore,

x^2-16 = x^2-4^2 =(x+4)(x-4)

Substitute these in given expression

\frac{8}{2(x+4)} \times \frac{(x+4)(x-4)}{4}

Cancel the common factors,

\frac{8}{2(x+4)} \times \frac{(x+4)(x-4)}{4} = x - 4

Thus the product in simplest form is (x - 4)

8 0
3 years ago
Plz read the directions I really don’t understand it....<br> Plz follow what it wants
Ira Lisetskai [31]

Answer:

Cube

Step-by-step explanation:

It makes a cube

7 0
3 years ago
Determine which function(s) is not a linear function. Select all that apply.
Drupady [299]

Answer:

x = 3.

Step-by-step explanation:

x = 3 is not linear. By definition a linear function has 2 variables, a dependent and independent variable. This has only x and a constant. It is a linear equation but not a linear function.

8 0
3 years ago
Eric is told by his doctor that he needs to lose 15 pounds. If Eric now weights 285 pounds,then by what percentage should Eric w
tatuchka [14]

Answer:

5.26%

Step-by-step explanation:

15/285=x/100. 15 is the amount of weight he wants to lose. x=5.26%

3 0
3 years ago
-5x - 3 = -23 what's the answer? Find "x" best answer get rewarded!
kherson [118]
-5x-3=-23

Add 3 to both sides

-5x=-20

Divide both sides by -5

x=4

Final answer: x=4

Check:
-5(4)-3
-20-3
-23

-23=-23
True
3 0
3 years ago
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