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2 years ago

-3 + 8n = -5 what is n?

Mathematics

2 answers:

max2010maxim [7]2 years ago

8 0

Answer:

-1/4

Step-by-step explanation:

nirvana33 [79]2 years ago

7 0

Click link above for the answer

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Please help its urgent

hram777 [196]

Answer:

<h2>Function is y = x.</h2><h2>Domain: $-3 \leq x \leq 2$ .</h2><h2>Range: $-5 \leq y \leq 4$ .</h2>

Step-by-step explanation:

In the given image, the line passes through (-1, -1) and (1, 1).

Let the equation of the line is $y = mx + c$ , where m is the tangent of the line and c is a constant.

Putting the co-ordinates of the points in the equation, we get $-1 = -m + c$ and $1 = m + c$

From the two equations we get, c = 0 and m = 1.

Hence, the function is y = x.

Domain is $-3 \leq x \leq 2$ .

Range is $-5 \leq y \leq 4$

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2 years ago

What is the perimeter of a rectangle whose width is (x - 7) units and whose length is (3x + 10) units?

FromTheMoon [43]

Answer:

The answer is "(8x + 6) units".

Step-by-step explanation:

Formula of perimeter is:

$\to \bold{P=2 \text{(Length +width)} }$

$=2((3x+10)+(x-7))\\\\=2(4x+3)\\\\= 8x+6$

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