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Brrunno [24]
3 years ago
8

PLEASE ANSWERRRRR! EASY!!!!!!!!!!!!!

Mathematics
1 answer:
juin [17]3 years ago
3 0
What even is the 4 I guess
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If a rectangle has an area of 2x^2+7x+3 find the perimeter
nikdorinn [45]

Perimeter of a rectangle = 6x + 8

Solution:

Given area of a rectangle = 2x^2+7x+3

Let us first factor the given polynomial.

2x^2+7x+3=2x^2+x+6x+3

                    =(2x^2+x)+(6x+3)

Taking out common terms in the above expression

                    =x(2x+1)+3(2x+1)

Taking out common term 2x+1 in the above expression

                    =(2x+1)(x+3)

2x^2+7x+3=(2x+1)(x+3)

Area of a rectangle = l × b

Therefore, l=2x+1 and b=x+3

Perimeter of a rectangle = 2(l + b)

                                         =2[(2x+1)+(x+3)]

                                         =2(2x+1+x+3)

                                         =2(3x+4)

                                         =6x+8

The answer is same if you take <em>l</em> = x + 3 and <em>b</em> = 2x + 1.

Hence, perimeter of a rectangle = 6x + 8.

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The most points Sidney has scored in a basketball game is 28. She is trying to tie that record in her current game. Write an equ
Scrat [10]

r=p-28, hope this helps

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Find the sum of -7x^2-6x + 9 and 3x2 – 3 + 7.<br><br> Please help
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16 i think

Step-by-step explanation:

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M&lt;A = 60°, AC =43 cm
Dmitriy789 [7]
So, theres this rule for all 30,60,90° triangles, one leg is x, the hypotenuse is 2x, and the longer leg is x(sqrt3), so ab is 2(43) so it is 86. im not sure why it says round to 2 decimal places. uh... if so, 86.00. so... that part confused me.
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A three-phase lesson format provides a structure for students to have inquiry on a topic, engage in the content through action a
SVEN [57.7K]

Answer:

<em>A) Be sure the task is understood. </em>

Step-by-step explanation:

The principle "Make sure the mission is understood, performed, and achieved."

<em>Another way we talk about this principle in the Navy is through the idea of "intrusive leadership." In some respects both "micromanagement" and "intrusive leadership" sound terrible. </em>

Think about certain great managers and leaders you have had in your career yet again. Probability are they will be the ones who asked you those difficult questions, too.

They moved everyone to new technical levels, and eye for detail. When you said you knew what you were doing or when you announced the progress of a project, they didn't necessarily take it to face value.

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