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3 years ago

What is the value of x in 2/5(4x-3)-2x=4/5-x

Mathematics

1 answer:

gavmur [86]3 years ago

3 0

Answer:

I think the answer is x = 10/3

Step-by-step explanation:

I hope this helps :)

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A group of students are planning a mural at a wall the rectangular wall has dimensions of (6x+7) by (8x+5) and they are planning

zvonat [6]

Answer: $46x^2+73x+15$

Step-by-step explanation:

The area of a rectangle can be calculated with the formula:

$A=lw$

l: the length of the rectangle.

w: the width of the rectangle.

The area of the remaning wall after the mural has been painted, will be the difference of the area of the wall and the area of the mural.

Knowing that the dimensions of the wall are $(6x+7)$ by $(8x+5)$ , its area is:

$A_w=(6x+7)(8x+5)\\\\A_w=48x^2+30x+56x+35\\\\A_w=48x^2+86x+35$

As they are planning that the dimensions of the mural be $(x+4)$ by $(2x+5)$ , its area is:

$A_m=(x+4)(2x+5)\\\\A_m=2x^2+5x+8x+20\\\\A_m=2x^2+13x+20$

Then the area of the remaining wall after the mural has been painted is:

$A_{(remaining)}=A_w-A_m\\\\A_{(remaining)}=48x^2+86x+35-(2x^2+13x+20)\\\\A_{(remaining)}=48x^2+86x+35-2x^2-13x-20\\\\A_{(remaining)}=46x^2+73x+15$

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3 years ago

(Cosx)/(1+sinx) - (1+sinx)/(cos) solve

Rina8888 [55]

2/cos x

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suter [353]

Answer:

C' will be located at (-4,-2)

Step-by-step explanation:

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LuckyWell [14K]

Hey!

Answer:

4/1

Step-by-step explanation:

The multiplicative inverse of a number is the reciprocal of it. (a/b → b/a).

Basically you divide 1 by the other number. (1 ÷ 1/4 = 4 or 4/1).

Hope This Helps :)

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Amanda [17]

Answer:

the answer would be

Step-by-step explanation:

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