Answer:
Step-by-step explanation:
-3x+10=21
-3x=21-10
-3x=11
x=11/-3
x=- 11/3
Answer: right triangle since it has a right angle of 90°
Explanation:
All to red 13:8
Green to all 5:13
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Answer:
3600
Step-by-step explanation:
First, solve the innermost brackets first.
=> 55/11 [120 /2{4 + (10 + 5 - 7)}]
=> 55/11 [120 /2{4 + (8)}]
=> 55/11 [120 /2{4+8}]
=> 55/11 [120 /2{12}]
=> 55/11[ 60 x 12]
=> 55/11 [720]
=> 5 [720]
=> 3600
