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ser-zykov [4K]
3 years ago
14

Write and simplify the expression for the area of a rectangle with a width of 3 inches and a length that is 8 inches more than x

Mathematics
1 answer:
meriva3 years ago
4 0
3(x+8)
You know that area of a rectangle is length x width. The width you know is 3 and the length is whatever x is plus 8 more inches, therefore it is x+8.
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What is the inverse of f(x)=(-2x+2)/(x+7)?
Nana76 [90]

By applying the concept of the inverse of a function and <em>algebraic</em> handling, we conclude that the inverse of f(x) = (- 2 · x + 2)/(x + 7) is g(x) = (- 7 · x + 2)/(x + 2).

<h3>How to find the inverse of a function</h3>

In this question we have a <em>rational</em> function f(x) and finding its inverse consists in clearing x in terms of f(x). Prior any algebraic handling, we need to apply the following substitutions:

x \to y

f(x) \to x

x = \frac{-2\cdot y + 2}{y+7}

x · (y + 7) = - 2 · y + 2

x · y + 7 · x = - 2 · y + 2

2 · y + x · y = - 7 · x + 2

y · (2 + x) = - 7 · x + 2

g(x) = \frac{- 7\cdot x + 2}{x + 2}

By applying the concept of the inverse of a function and <em>algebraic</em> handling, we conclude that the inverse of f(x) = (- 2 · x + 2)/(x + 7) is g(x) = (- 7 · x + 2)/(x + 2).

To learn more on inverses: brainly.com/question/7181576

#SPJ1

4 0
1 year ago
What equation, in point-slope form, matches the graphed line shown? Question 3 options: y−5=−23(x+9) y−2=−34(x−6) y+6=45(x+3) y−
ziro4ka [17]

Step-by-step explanation:

the line passes through (6, 2) and (10, -1),

the slope =

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the equation :

y-2 = -3/4(x -6)

7 0
3 years ago
!!!29 POINTS!!!Will give brainlest!!!
Ludmilka [50]
A:16/333 b:16/33 c:12/25
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2 years ago
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KiRa [710]

Surface area and volume are calculated for any three-dimensional geometrical shape. The surface area of any given object is the area or region occupied by the surface of the object. Whereas volume is the amount of space available in an object.

6 0
3 years ago
List all of the integer values of x that are part of the solution set for the following inequality: -7 is less than x which is l
GenaCL600 [577]
Your answer is

-5
because of-5 is greater than-7 and equal to-5
so it's satisfied the equation

-7<-5<=-5
3 0
3 years ago
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