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Blizzard [7]
3 years ago
7

The length of a rectangle is twice the width. The area of the rectangle is 90 square units. Note that you can divide the rectang

le into squares. A. Which irrational number represents the length of each side of the square? B. Estimate the length and width of the triangle
Mathematics
1 answer:
Usimov [2.4K]3 years ago
7 0

Answer:

uu 2256/665*55%66 ans yg hich ight pss am oz am oz em is am

Step-by-step explanation:

UCSB overrun if en off ab kv en edo श्mdm kem bhai kem ker

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WILL MARK BRAINLIEST!!! A contractor has 34 meters of fencing that he is going to use as the perimeter of a rectangular garden.
snow_tiger [21]

Given

Shape of garden: Rectangle

Perimeter: 34 meters

Area: 72 square meters

Length of one side = x

Required

Find the dimension of the rectangle

Let the length of the other side of the rectangle be represented with y.

We start by writing out the perimeter of a rectangle

Perimeter, P = 2(L + B)

Where P is the perimeter; L and B are the length and width of the sides of the rectangle.

In this case L and B are represented by x and y

So,

P = 2(x + y)

By substituting 34 for P

34 = 2(x + y)

Multiply both sides by ½

½ * 34 = ½ * 2(x + y)

17 = x + y

Make y the subject of formula

y = 17 - x

Recall that the sides of the rectangle are represented by x and y.

Hence, the area of the rectangle is as follows.

Area = x * y

Substitute 72 for Area and 17 - x for y

72 = x(17 - x) --- Open bracket

72 = 17x - x² ---- Reorder

x² - 17x + 72 = 0

Now, we have a quadratic equation

Solving by factorisation

x² - 8x - 9x + 72 = 0

x(x - 8) - 9(x - 8) = 0

(x - 8)(x - 9) = 0

x - 8 = 0 or x - 9 = 0

x = 8 or x = 9

Recall that

y = 17 - x.

When x = 8

y = 17 - 8

y = 9

When x = 9

y = 17 - 9

y = 8

Writing out the result, we have

x = 8 , y = 9

Or

x = 9, y = 8

Hence, the dimension of the rectangle is 8 metres by 9 metres

7 0
3 years ago
Taylor kept track of the number of hours that he spent at the media center each week for several weeks. He spent 8, 2, 5, 10, an
Bas_tet [7]
What is the question?
7 0
2 years ago
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Please I am on a timer
Mila [183]

Answer: g=5

Step-by-step explanation:

4 0
3 years ago
How did they get this
katrin2010 [14]
Somewhere in the text, it must say that x = 2 and y = -1 or else, the values just seem made up out of thin air. 
3 0
3 years ago
Read 2 more answers
Prove algebraically that the recurring decimal 0.35 (the 5 recurring) has the value <img src="https://tex.z-dn.net/?f=%5Cfrac%7B
DedPeter [7]

Answer:

Step-by-step explanation:

r10 = 3.555555555...

r100 = 35.55555555...

then, r100-r10 = 35.555... - 3.555...

r90= 32

to find r, divide both sides by90

which will give as ;

r = 32

------

90

4 0
2 years ago
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