Answer:
No, the correct answer of
= 
Step-by-step explanation:
The given expression is 
As we know that a mixed fraction
can be converted into proper or improper fraction as 
⇒
= 
and,
=
Hence, the simplified expression = 
or,
= 
Answer: 705m
Explanation:
Using cosine rule:
c²= a²+b²-2abcosC
Substituting:
c²=750²+650²-2(750)(650)cos60
c=√Ans
c= 705.336799..
=705m (nearest metre)
Answer: He can use 3 x 5 = 15 and 15 + 3.
Step-by-step explanation:
Since a small car is $3, and the large car is 5x the price of the small car, he can use the equation 3 x 5 = 15, because the small car is $3, and the large car is 5x the price. You can use 15 + 3 = 18, because the small car is $3, so you also have to add that.
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Answer:
Step-by-step explanation:
8d=-72
d=-9