Answer:
Step-by-step explanation:
a^2 + b^2=c^2 so 81 + 9= 90 c= Square root of 90 which is 9.5.
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Answer:
x = 50
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
(1/5)b-5((2/5)a-(1/10)b)+4a
(1/5)b-(10/5)a+(5/10)b+4a
2a+(7/10)b
Answer:
100,000,000 + 20,000,000 + 3,000,000 +
Step-by-step explanation:
Answer:
A lizard is an animal but doesn't have fur.
Step-by-step explanation:
A counterexample would be to give an example of an animal that doesn't have fur. So the premise is met: there is a clear example of what one considers an animal, but the animal doesn't have fur.
For example a lizard is clearly an animal, but it doesn't have fur around its body. One needs to just find one example that negates the given statement to make it false.