2 years ago

How do you isolate the variable in an inequality?

Mathematics

2 answers:

Firlakuza [10]2 years ago

7 0

A use inverse operations

ad-work [718]2 years ago

7 0

Answer:

use inverse operations

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The length of a picture frame is 7 inches more than the width. For what values of x is the perimeter of the picture frame greate

makkiz [27]

P=2(L+W)
l=x+7
w=x
P=2(x+7+x)
P=2(2x+7)
P=4x+14

hast to be greater than 154

P>154
4x+14>154
minus 14 both sides
4x>140
divide 4
x>35

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4 years ago

Find the inverse of the function:<br>f(x) = 3x + 6<br>

natta225 [31]

Answer:

x = -2

Step-by-step explanation:

Pull out like factors :

-3x - 6 = -3 • (x + 2)

Solve : -3 = 0

This equation has no solution.

A a non-zero constant never equals zero.

Solve : x+2 = 0

Subtract 2 from both sides of the equation :

x = -2

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3 years ago

PLS HELP URGENT!! PLEASEE SIMPLE FRACTIONS question in pic

Blizzard [7]

Answer:

I think it is 13/15 (0,8666666...) but I am not sure

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3 years ago

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Can anyone please help with this problem ASAP ?

lara31 [8.8K]

Answer:

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3 years ago

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HELP ME PLESA IM DESPO PAKJDCD PLS HELP

WARRIOR [948]

Answer:

144 cm²

Step-by-step explanation:

A prism's surface has 2 triangles & 3 rectangles.

In both the triangles , length of :

Perpendicular = 4 cm

Base = 6 cm

So , Area of both triangles = $2(\frac{1}{2} * Base * Perpendicular) = 2(\frac{1}{2}* 6 * 4) = 24 cm^2$

In the 3 rectangles ,

Length = 8 cm

Width = 5 cm

So , Area of the rectangles = $3( Length * Width) = 3(8 * 5) = 120 cm^2$

Hence the total surface area of the prism is = 120 + 24 =144 cm²

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3 years ago