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pogonyaev
3 years ago
12

--3 x 2 x a + 5(-7b) + (12 x c x 4)

Mathematics
1 answer:
defon3 years ago
3 0

Answer:

and 4 easy

2

Step-by-step explanation:

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The ratio of the width to the length of a rectangle is 2:3, respectively. Answer each of the following. a By what percent would
Elina [12.6K]

Answer:

The percentage increase in Area of rectangle is 200%

Step-by-step explanation:

Given as :

The  ratio of the width to the length of a rectangle is 2:3

Let The length of rectangle = 2 x

Let The width of rectangle = 3 x

∵ Area of rectangle = length × width

So, A_1 = 2 x × 3 x

Or,  A_1  =  6 x²

<u>Again</u>

The increased length of rectangle = 2 x + 2 x = 4 x

The increase width of rectangle = 3 x + 50% of 3 x

I.e The increase width of rectangle = 3 x + 1.5 x = 4.5 x

∵ Increased Area of rectangle = increased length × increased width

Or,   A_2  = 4 x × 4.5 x  = 18 x²

So, The percentage increase in area = \dfrac{A_2 - A_1}{A_1} × 100

Or, The percentage increase in area = \frac{18 x^{2}-6x^{2}}{6x^{2}} × 100

Or , The percentage increase in area = \dfrac{12}{6} × 100

∴ The percentage increase in area  = 200

Hence, The percentage increase in Area of rectangle is 200% Answer

5 0
3 years ago
Grace wants to participate in a dance recital. She
kondaur [170]

Answer:

She must attend 6 or more classes in order to be in the recital

Step-by-step explanation:

must attend > .15(40)

must attend > 6

5 0
3 years ago
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Julian sees a common denominator for 3 x 4 + 2
Rasek [7]
the denominator would be 12
7 0
3 years ago
Which fraction is equivalent to 1/6?
CaHeK987 [17]

Answer:

2/8

i think its 2/8

Have a great day !!

5 0
3 years ago
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Let A = {1, 2, 3} and R be the following relation on A;
Amanda [17]

Answer:

The relation is reflexive as

(1,1),(2,2),(3,3)∈R

(2,1)∈R will not imply (1,2)∈R,

hence R is not symmetric

(2,1),(1,3)∈R doesn't imply (2,3)∈R, hence R is not transitive

Step-by-step explanation:

hope this helps if not let me know have a blessed day

5 0
2 years ago
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