<span>If the triangle has an obtuse angle (>90 degrees), it can be classified as an obtuse triangle Not sure where the 42 inches is used Hope this helps</span>
Answer:
a. 10
b. -4
Step-by-step explanation:
For these problems, since we are given the x, we plug it into the expression and solve.
a.
3(4)-2 [multiply]
12-2 [subtract]
10
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b.
5(-2)+6 [multiply]
-10+6 [subtract]
-4
Answer:
The answer is 20 because when you divide 56 by 2.8 you get 20
#8: $900. (I found this answer by multiplying 3000 and 0.3 by the way)
#9: 160 miles. I found this answer by multiplying 80 by two, since two halves/50% make a whole or 100%.
Answer:
30 inches
Step-by-step explanation:
1 ft= 12 inches
12×2= 24
1/2 of 12 is 6
24+6=30
30 inches
