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hjlf
3 years ago
7

A rectangle has a length of x + 7 and a width of x-2. Which equation below describes the perimeter, P, of

Mathematics
1 answer:
valkas [14]3 years ago
4 0

Answer:

            P = 4x  +  10

Step-by-step explanation:

perimeter of a rectangle = 2( width + length )

   P = 2 ( x - 2  +  x + 7 )

   P = 2 ( x + x  +  7 - 2 )

        P = 2 ( 2x +  5 )

            P = 4x  +  10

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Answer:

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one number is four times as large as another if the numbers are added together the result is six less than seven times the small
liubo4ka [24]

Answer:

The numbers are 12 and 3.

Step-by-step explanation:

We can solve this problem by working with the information we have and setting up some equations.

We know that one number is four times as large as another. So, let the smaller number be represented by the variable x and the bigger number be represented by 4x, since it is four times as large.

Now, we know that if the numbers are added together, then the result is six less than seven times the smaller number. This can also be represented by the equation 4x + x = 7x - 6.

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4x + x = 7x - 6\\5x =  7x - 6\\-2x = -6\\x = 3

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3 years ago
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2 years ago
Which is bigger 3 yards is 10 feet
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3 years ago
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A line passes through the point (4, -6) and has a slope of 3/2 . Write an equation in slope-intercept form for this line.
tatyana61 [14]

A slope intercept form: y = mx + b where m = slope and b = y -intercept

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Answer

Equation in  slope intercept form:  y = 3/2 x - 12


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