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AfilCa [17]
3 years ago
9

Given 1 ||

Mathematics
1 answer:
ad-work [718]3 years ago
6 0

Answer:

I think the ans is

(3x+7) + (9x+17) = 180(it's a strait line)

3x+9x+7+17=180

12x+24=180

12x=180-24

12x=156

x=156/12

x=13

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Match the equivalent expressions.
yarga [219]

Answer:

One pair of equivalent expressions is:

x - 3y + 12

12 - 3y - 2x + x + 2x

Second,

x + 3y + 12

3x + 2y - 2x + y + 12

third,

3y + 12

x + 3y + 2x - 3x + 7 + 5

four,

3x + y - 12

4y + 3y + 3x - 6y - 10 - 2

Step-by-step explanation:

In order to match the equivalent expressions we have to put each expression in its simplest form

So,

x-3y+12\\\\12 - 3y - 2x + x + 2x\\=12-3y+x\\=x-3y+12\\\\3x + 2y - 2x + y + 12\\=x+3y+12\\\\4y + 3y + 3x - 6y - 10 - 2\\=3x+y-12\\\\x + 3y + 2x - 3x + 7 + 5\\=3y+12\\\\5 + 2y + 7x - 4x + 3y - 17\\=5y+3x-12

One pair of equivalent expressions is:

x - 3y + 12

12 - 3y - 2x + x + 2x

Second,

x + 3y + 12

3x + 2y - 2x + y + 12

third,

3y + 12

x + 3y + 2x - 3x + 7 + 5

four,

3x + y - 12

4y + 3y + 3x - 6y - 10 - 2

..

3 0
3 years ago
Does anymore know? Thennddndn
OverLord2011 [107]

Answer:

C

Step-by-step explanation:

not enough information to prove they are congruent. the postulates need 3 things that are congruent, unless it's a right triangle, you only need two. However, in this image, they are not shown to be right triangles.

8 0
3 years ago
Find the square root of 520409 by long division method]​
bonufazy [111]

Answer:

721.39 to the nearest hundredth.

Step-by-step explanation:

         

           7   2    1 . 3   9    <----- Quotient

       |  52,04,09.0000

       |  49

142  |      304

       |       284

1441 |          2009

        |            1441

14423 |           56800        

                      43269

144269 |         1353100

                       1298421

                           54679

6 0
3 years ago
1/3 a = -5 whats the answer quick
lana [24]

Answer:

a=-15

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What’s the equivalent decimal for 7 1/3?
ki77a [65]
Since there are 7 wholes, the whole number of it would be 7. In order to find the other part, you need to divide the numerator by the denominator. 1 divided by 3 = 0.333 (it keeps going, so put a line over it to show that it keeps going, or round it)

so, it would be

7.333
8 0
4 years ago
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