Answer:
7) 3m + 21
8) 8t + 12
9) 45 + 30r
10) 32n - 16n or just 16n
Step-by-step explanation:
just use the distributive property
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Answer:
C
Step-by-step explanation:
3x+4x-19+3x-1=180
10x=180+19
x = 199/10 = 19 (round to 20)
x = 20
<A= 20
<B= 80-19= 61
<C=. 59
The longest side is across from the largest angle. Draw the triangle ABC.
AC is across <C (the largest angle)
Answer:
E. is 103 degree.
It's a vertical angle.
F. is 77 degree
the e and f makes a 180 degree. 180-103(aka e) = 77 degree
D. is 90 degree. it's perpendicular.
Step-by-step explanation:
2 x y + x + 2 y is equal to 3 x y + 2 y final answer is 5xy
Answer:
The only reason mathematics is admirably suited describing the physical world is that we invented it to do just that. It is a product of the human mind and we make mathematics up as we go along to suit our purposes. ... Mathematics is not discovered, it is invented.
Step-by-step explanation:
