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Masja [62]
3 years ago
8

What is the value of y

Mathematics
2 answers:
Alex_Xolod [135]3 years ago
7 0
If you isolate y from the equation y+(y-12)+56=180 (adding all the angles together to make 180), you would get 68 degrees
Cloud [144]3 years ago
3 0
Sum of interior angles in a triangle = 180
so
y + y - 12 + 56 = 180
2y + 44 = 180
2y = 136
y = 68

Answer
C. 68°
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7 0
3 years ago
18 2/5 - n = -10 1/3
Wewaii [24]

Answer:

The answer is n=28\frac{11}{15}.

Step-by-step explanation:

Given:

18 2/5 - n = -10 1/3.

Now, to solve the equation:

18\frac{2}{5} - n = -10 \frac{1}{3}

Converting the mixed fractions to improper:

⇒\frac{92}{5} -n=-\frac{31}{3}

Moving the numbers on one side and variable to the other:

⇒\frac{92}{5} +\frac{31}{3}=n

Now, solving the factions:

⇒\frac{92\times 3+31\times 5}{15}=n

⇒\frac{276+155}{15}=n

⇒\frac{431}{15}=n

⇒28\frac{11}{15}=n

Therefore, the answer is n=28\frac{11}{15}.

3 0
3 years ago
What is 27×1/3=?<br> please answer
sattari [20]
The answer is nine. You can write 27 as 27/1. From there, just multiply the fractions.

27/1 x 1/3 = 9
5 0
3 years ago
Read 2 more answers
What is the volume of this composite solid?<br> 16 m<br> 5 m<br> 12 m<br> 9 m
son4ous [18]

Answer:

864 cubic meters

Step-by-step explanation:

Rectangular prism = 5x9x12=540

Triangular prism = 1/2(9)(6)(12)=324

540+324=864 cubic meters

3 0
3 years ago
There are 63 students marching in a band, and they’re marching in 7 rows. How many students are in each row?
steposvetlana [31]
Total divided by number of rows=number per row
63/7=9
9 per row
3 0
3 years ago
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