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3 years ago

Rectangle has a perimeter of 48". The length is 4" more than the width. What is the length?

Mathematics

2 answers:

STALIN [3.7K]3 years ago

8 0

Answer:

Step-by-step explanation:

width = x

length = x + 4

perimeter = 48

x + x + x + 4 + x + 4 = 48

4x + 8 = 48

4x = 48 - 8

4x = 40

x = 10

length = x + 4

length = 10 + 4

length = 14

I hope I helped you.

Ainat [17]3 years ago

6 0

48/4=12

12 is your answer :)

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taurus [48]

Answer:

volume of the square pyramid is:

V = s2h/3

where s=side length and h= height

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Step-by-step explanation:

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8 0

2 years ago

Write an equation in slope-intercept form that goes through (12, 4) and (20,8).

spayn [35]

Answer:

Equation in slope-intercept form that goes through (12, 4) and (20,8) is: $y = \frac{1}{2}x-2$

Step-by-step explanation:

Given two points are:

$(x_1,y_1) = (12,4)\\(x_2,y_2) = (20,8)$

Slope intercept form of line is given as:

$y = mx+b$

Here m is the slope of the line and b is the y-intercept.

Slope of a line is calculated by the formula:

$m = \frac{y_2-y_1}{x_2-x_1}$

Putting the values

$m = \frac{8-4}{20-12}\\m = \frac{4}{8}\\m=\frac{1}{2}$

Putting the value of slope in slope-intercept form we get

$y = \frac{1}{2}x+b$

To find the value of b, any one point will be put in the equation

Putting the first point (12,4) in the equation

$4 = \frac{1}{2}(12) + b\\4 = 6+b\\b = 4-6\\b = -2$

Putting the value of b

$y = \frac{1}{2}x-2$

Hence,

Equation in slope-intercept form that goes through (12, 4) and (20,8) is: $y = \frac{1}{2}x-2$

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3 years ago

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