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Dima020 [189]
3 years ago
8

Can someone help? Thanks a lot!!

Mathematics
2 answers:
vitfil [10]3 years ago
8 0
6x+42+18x-6=180
24x+36=180
180-36=24x=144
X=6
topjm [15]3 years ago
4 0

Answer:

x = 4

Step-by-step explanation:

6x + 42 and 18x - 6 are alternate angles and are congruent , so

18x - 6 = 6x + 42 ( subtract 6x from both sides )

12x - 6 = 42 ( add 6 to both sides )

12x = 48 ( divide both sides by 12 )

x = 4

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17 20ths as a decimal.
Paul [167]
The answer is .85. 17/20 = .85
4 0
3 years ago
The length of a rectangle is 7.8 cm more than 4 times the width. If the perimeter of the rectangle is 94.6 cm, what
Lyrx [107]

Answer:

C, Length = 39.4 cm; width = 7.9 cm

Step-by-step explanation:

The permimeter of a rectangle is 2 times the width + 2 times the length or 2(l + w)

The length is 4 times w plus 7.8.

So:  2w+2(4w+7.8)=94.6

=  2w+8w+15.6=94.6  (Factor out the brackets)

=  10w+15.6=94.6  (Combine like terms)

=  10w=79  (Subtract 15.6 from both sides)

=  w=7.9  (Divide both by 10).

So, the width is 7.9 cm and the length is 39.4 cm (4 * 7.9 + 7.8)

6 0
3 years ago
Read 2 more answers
Mario has LaTeX: 2\frac{1}{4}2 1 4 pounds of trail mix. He puts equal amounts of the trail mix into 6 bags for a hike with his f
ioda

Answer:

<h2><em>0.375 pounds </em></h2>

Step-by-step explanation:

Let the amount of trail mix in each bag be x pounds. If Mario has 2\frac{1}{4} pounds of trail mix and puts equal amounts of the trail mix into 6 bags for a hike with his friends, the amount of trail mix in each bag can be derives using the expression;

2\frac{1}{4} = 6 * x

solving for x

\dfrac{9}{4} = 6x\\\\2.25 = 6x\\\\divide\ both \ sides \ by \ 6\\\\\dfrac{2.25}{6} = \dfrac{6x}{6} \\\\x = 0.375\\

<em>Hence 0.375 pounds of trail mix will be in each bag</em>

<em></em>

7 0
3 years ago
Write the equation of a line parallel to y=2x+7 that passes through the point (-4, 5)
balandron [24]
Answer : y = 2x - 3
3 0
3 years ago
50 more than ___ is 64.
Sloan [31]

50 more than 14 is 64

14 + 50 = 64

Hope this helps

-AaronWiseIsBae

6 0
4 years ago
Read 2 more answers
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