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Dvinal [7]
3 years ago
8

What is the perimeter and area of a rectangle if length is (2x+3) and width is (4x+6). Please show your answer !!

Mathematics
1 answer:
Bond [772]3 years ago
3 0
To find the area of a rectangle, the formula is length*width
(2x+3)(4x+6)
So you distribute it.
8x^2+12x+12x+18
Combine like terms.
8x^2+24x+18
The factor it out.
(8x^2+12x) (12x+18)
4x(2x+3) 6(2x+3)
(4x+6) (2x+3)

So the answer is:
2(x+3) (2x+3)

I hope this has helped. Have a great day/night!
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How do I solve this problem correctly?
Anna71 [15]

Answer:

7%

11%

5%

14%

Step-by-step explanation:

To find a numbers percentage of another number you simply divide the smaller number by the bigger number then move the decimal point to the right 2 places.

Percentage of workers who prefer chicken soup who are part-time: 35÷500 = 0.07 move the decimal 2 to the right to get 7%.

Percentage of full-time workers who prefer mushroom soup: 55÷500 = 0.11 move the decimal 2 to the right to get 11%.

Percentage of workers who prefer lintel soup who are full-time: 25÷500 = 0.05 move the decimal 2 to the right to get 5%.

Percentage of part-time workers who prefer tomato soup: 70÷500 = 0.14 move the decimal 2 to the right to get 14%.

Hope this helps! :)

5 0
3 years ago
Simplify the following using PEMDAS: [3−(3⋅3)+33÷3] × 4⋅5/10−2⋅3
kompoz [17]

Answer: 34

Step-by-step explanation:

<u>Given expression</u>

[3 - (3 · 3) + 33 ÷ 3] × 4 · 5 / 10 - 2 · 3

<u>Simplify by parentheses in the bracket</u>

=[3 - 9 + 33 ÷ 3] × 4 · 5 / 10 - 2 · 3

<u>Simplify by multiplication</u>

=[3 - 9 + 33 ÷ 3] × 20 / 10 - 6

<u>Simplify by division</u>

=[3 - 9 + 11] × 10 - 6

<u>Simplify by bracket (addition/subtraction)</u>

=[-6 + 11] × 10 - 6

=[4] × 10 - 6

<u>Simplify by multiplication</u>

=40 - 6

<u>Simplify by subtraction</u>

=\boxed{34}

Hope this helps!! :)

Please let me know if you have any questions

8 0
3 years ago
X+2y=-8 find the slope ​
laila [671]

Answer:

 Slope = -1.000/2.000 = -0.500

 x-intercept = -8/1 = -8.00000

 y-intercept = -8/2 = -4

Step-by-step explanation:

Step  1  :

Equation of a Straight Line

Graph of a Straight Line

Calculate the Y-Intercept

Calculate the Slope

Calculate the X-Intercept

<em><u>Answer: </u></em>Slope = -1.000/2.000 = -0.500

<em><u>Hope this helps.</u></em>

7 0
4 years ago
Read 2 more answers
3) Solve the system using substitution. Show all work.<br><br> -4x + 3y = 23<br> y = -7x - 9
Rina8888 [55]

Answer:

x = -2

Step-by-step explanation:

-4x + 3y = 23

y = -7x - 9  //  *-3

-4x + 3y = 23

-3y = 21x -27

+++++++++++++++++++

-4x = 21x + 50

-50 = 25x

x = -2

5 0
3 years ago
A 40 yd polygon and 15 yd polygon are similar. find the area of their ratios
Lubov Fominskaja [6]
Because we are dealing with area, we have to square the difference of the 2 polygons.40 / 15 = <span> <span> <span> 2.6666666667 </span> </span> </span> <span> <span> <span> 2.6666666667^2 = </span></span></span> <span> <span> <span> 7.1111111111
</span></span></span>
<span><span><span> </span> </span> </span> So, the 40 yard polygon has <span> <span> 7.1111111111</span>times the area of the 15 yard polygon.
</span>
<span />
7 0
4 years ago
Read 2 more answers
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