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sasho [114]
3 years ago
10

Try to answer this question for me pleaseee

Mathematics
1 answer:
RideAnS [48]3 years ago
8 0

Answer:

H

Step-by-step explanation:

180-48=132

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The area of a rectangle is 45 cm2. Two squares are constructed such that two adjacent sides of the rectangle are each also the s
Zielflug [23.3K]

Answer:

The lengths of sides of squares are 5 cm and 9 cm.

Step-by-step explanation:

Let the sides of rectangle be x and y .

Area of rectangle = Length × Breadth

Given : Area of rectangle = 45 cm².

⇒ x × y  = 45  

⇒ x=\frac{45}{y}  ........(1)

Two squares are constructed such that two adjacent sides of the rectangle

so squares have side x and y .

Area of square = side × side

Area of square with side x = x²

Area of square with side y = y²

Also, The combined area of the two squares is 106 cm².

⇒ x² + y² = 106

From (1) put value of x , we get,

(\frac{45}{y})^2+y^2=106

Solving for y ,

(\frac{45}{y})^2+y^2=106  

2025+y^4=106y^2  

y^4-106y^2+2025=0  

y^4-81y^2-25y^2+2025=0  

y^2(y^2-81)-25(y^2-81)=0  

(y^2-25)(y^2-81)=0

y^2-81=0 or y^2-25=0    

on solving we get y = 5 and y = 9

Also, x can be find by putting in (1),

⇒ x=\frac{45}{5}=9 and ⇒ x=\frac{45}{9}=5  

⇒ x = 9 and x = 5

Thus, lengths of sides of squares are 5 cm and 9 cm.

6 0
3 years ago
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What is the value of x in the equation 4(2x + 12) = 0? <br><br> −8<br><br> −6<br><br> 6<br><br> 8
ExtremeBDS [4]
You can skip 4 in that equation and you'll be left with 2x+12=0, which gives you 2x=-12 and finally, x=-6
8 0
3 years ago
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Use a calculator to solve this problem:<br><br> 28 + 27 × 36
LiRa [457]

Answer:

1000

Step-by-step explanation:

4 0
3 years ago
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Factorise x^2 - 8/X pls help
DochEvi [55]

Answer:

(x-2)(x^2 +2x +4)/x

Step-by-step explanation:

X minus two into X squared plus 2X plus 4 whole by X(this should be the right answer)

4 0
3 years ago
3²+26+<img src="https://tex.z-dn.net/?f=%5Csqrt%7B125%5C%5C%7D" id="TexFormula1" title="\sqrt{125\\}" alt="\sqrt{125\\}" align="
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Answer:

−590+5√5

^-^hope this helped^-^

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