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natka813 [3]
3 years ago
8

7/8÷ 1/4 I need help plz and thank you

Mathematics
2 answers:
katrin2010 [14]3 years ago
7 0

Answer:

7/2

Step-by-step explanation:

just divide both of them. top and bottom of it

rjkz [21]3 years ago
6 0
The answer is 7/2 is that what your looking for?
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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
Read 2 more answers
Solve for z in the literal equation 4/3 (z + 5) = y.<br> 3
RUDIKE [14]

Answer: Z = 0.9y - 20

                     _______

                           4

Step-by-step explanation: First, add (-20)/3 to both sides. Then, divide both sides by 4/3.

8 0
3 years ago
4-2m&gt;7-3m show step by step
harina [27]
The first step for solving this expression is to move the variable -3m to the left side and then change its sign.
4 - 2m + 3m > 7
Now move the constant to the right side and change its sign.
-2m + 3m > 7 - 4
Collect the terms on the left side.
m > 7 - 4
Lastly,, subtract the numbers on the right side to get your final answer.
m > 3
Let me know if you have any further questions.
:)
6 0
4 years ago
Which of the following is true about figure ABCD
svetoff [14.1K]
Where is the picture? And what is true about it is that they are both letters and in Caps
5 0
3 years ago
Read 2 more answers
Please Help!, Need this in Detail.
avanturin [10]

Answer:

I think the answer is g=12x

6 0
3 years ago
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