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kaheart [24]
3 years ago
8

I've searched everywhere and still don't have the answer!

Mathematics
1 answer:
Arisa [49]3 years ago
6 0

Answer:

is a function and begins with y

Step-by-step explanation:

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The perimeter of a rectangle is 20.2 CM and it's area is 24.4 cm squared what is its length and width
erma4kov [3.2K]

Answer:

Length of Rectangle = 4 cm    And

Width of Rectangle = 1.9 cm      

Step-by-step explanation:

Given as :

The perimeter of rectangle = 20.2 cm

The area of rectangle is 24.4 cm

Let the length be L

And width be w

Now Area of rectangle = Length × width  

Or,  24.4 = L × W

And Perimeter = 2 (Length + Width ) = 2 (L + W )

Or,   20.2         = 2(L + W )

Or , L + W = 10.1 cm                   ............ 1

Now, (L - W )²  = (L + W)² -4 LW

Or,   (L - W )²  = ( 10.1)² -4 (24.4)

I.e    (L - W )² = 4.41

Or , L - W = 2.1 cm                    .............. 2

SO , From 1 and 2

( L + W) + (L - W) = 10.1 cm - 2.1 cm

Or, 2L = 8

∴  Length = 4 cm

Again , Width = 4 cm - 2.1 cm = 1.9 cm

Hence   Length of Rectangle = 4 cm    And

             Width of Rectangle = 1.9 cm       Answer

6 0
3 years ago
Pls help me help my little cuz to understand pls BONUS POINTS!
aliya0001 [1]
Which part do you need help on?
7 0
3 years ago
Read 2 more answers
Math 7a using number sense to solve equations
Anika [276]
Simple...

you have: \frac{n}{3} =12


and

\frac{n}{3} =-12

To solve for....\frac{n}{3} =12

Multiply to remove the denominator-->>

3*  \frac{n}{3} =12*3

n=12*3

n=36

Then-->>>

\frac{n}{3} =-12

Do the same thing-->>

3* \frac{n}{3} =-12*3

n=-12*3

n=-36

Thus, your answer.



6 0
3 years ago
Lect the correct answer.
Reptile [31]

Answer:

b. day 2 is the farthest from 0

3 0
3 years ago
Read 2 more answers
A furniture store owner buys a sofa for $400 and marks it up %90 to sell it. During the stores anniversary sale she sells the so
lord [1]

Answer:

Anniversary sale price= $570

Step-by-step explanation:

Giving the following information:

Purchase cost= $400

Mar-up percentage= 90%

<u>First, we need to calculate the "normal" selling price:</u>

Selling price= 400*1.9= $760

<u>Now, we can determine the anniversary sale price:</u>

Anniversary sale price= 760 - (760*0.25)= $570

3 0
3 years ago
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