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lana66690 [7]
3 years ago
8

A picture measuring 2 inches by 3 inches is placed inside a frame. The width between the picture and the frame is equal around t

he entire picture. If the area of the frame and the picture is 72 square inches, what is the width of the frame? (This is my last question for my homework, so quick help would be appreciated :D).
Mathematics
2 answers:
Burka [1]3 years ago
3 0

Answer:

3 inches

Step-by-step explanation:

(2 + 2x)(3 + 2x) = 72

4x² + 4x + 6x + 6 - 72 = 0

4x² + 10x - 66 = 0

2x² + 5x - 33 = 0

Using quadratic formula:

x = (-5-17)/4, (-5+17)/4

x = 12/4 = 3

gulaghasi [49]3 years ago
3 0

Answer:

3 INCHES

Step-by-step explanation:

Answer:

3 inches

Step-by-step explanation:

(2 + 2x)(3 + 2x) = 72

4x² + 4x + 6x + 6 - 72 = 0

4x² + 10x - 66 = 0

2x² + 5x - 33 = 0

Using quadratic formula:

x = (-5-17)/4, (-5+17)/4

x = 12/4 = 3

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Burka [1]

answer. X=50

as..

draw a imaginary line between M

let it one side be y and z

y+z=120

now,

y=70(being alternate angle)

y+z =120

so

z=120-70

z=50

as we know,

z is alternate to X

so ,X=50

7 0
3 years ago
Which angles are supplementary angles?
Tpy6a [65]

Answer:

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Answer - KJM and KJH

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3 years ago
A cylinder has a base diameter of 6 feet and a height of 2 feet . what is its volume in cubic feet, to the nearest tenths place?
expeople1 [14]
H=2ft
d=6 ft
r=d/2
r=6/2=3ft
V= π•r^2•h
V=3.14•3^2•2
V=3.14•9•2
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5 0
3 years ago
Is anyone willing to help me with this? I tried adding this and still no answer. Please help..
GaryK [48]

Answer:   C. (-4, -2)

<u>Step-by-step explanation:</u>

First, eliminate one of the variables and solve for the remaining variable:

2x - 5y = 2      →    3(2x - 5y = 2)      →     6x - 15y = 6

3x + 2y = -16   →  -2(3x + 2y = -16)    →  <u> -6x - 4y = 32</u>

                                                                     -19y = 38

                                                                         y = -2


Next, replace "y" with -2 into either of the original equations to solve for x:

2x - 5y = 2

2x - 5(-2) = 2

2x + 10 = 2

2x         = -8

 x          = -4

                                       x = -4,  y = -2

<u>Check:</u>

Plug in the x- and y-values into the other original equation:

3x + 2y = -16

3(-4) + 2(-2) = -16

-12  +  -4     = -16

      -16         = -16   \checkmark

3 0
4 years ago
I need help plz help me its due tomorrow
BigorU [14]
A blue whale weighs more than an African elephant by 111.5 tons

African elephant= 15,000/2,000= 7.5 tons

Blue whale weighs 238,000/2,000=
119 tons

119-7.5 = 111.5 tons
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3 years ago
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