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alexandr402 [8]
2 years ago
10

T and F - question with a screenshot

Mathematics
1 answer:
emmainna [20.7K]2 years ago
4 0

Answer:

Try using The quadratic formula to help

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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
Estimate the decimal expression.<br> 0.62-(-0.51)
lawyer [7]

Answer: 1.13

Step-by-step explanation: 0.62-(-0.51) = 1.13

Hope it works

3 0
3 years ago
Read 2 more answers
Find where the lines go, the answer to the riddle is seven up every morning i just need to know where the lines go!!!! will give
postnew [5]

Answer:

Here’s what I got for this worksheet.

Step-by-step explanation:

6 0
3 years ago
Solve for b. <br>4/3b+2=4-1/3b​
Maksim231197 [3]

Answer:

b = \frac{6}{5}

Step-by-step explanation:

Multiply through by 3 to clear the fractions.

4b + 6 = 12 - b ( add b to both sides )

5b + 6 = 12 ( subtract 6 from both sides )

5b = 6 ( divide both sides by 5 )

b = \frac{6}{5}

4 0
3 years ago
Rosa has 123 inches of red ribbon. She has 148 inches of blue ribbon. The letter i stands for how many more inches of blue ribbo
siniylev [52]
I = 148 - 123


I = 25 inches
6 0
3 years ago
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