Answer: 4,863.1
Step-by-step explanation:
Answer:
No, it's actually 100
Step-by-step explanation:
If you put brackets in the right places you'll see (3*20)+(4*10)=60+40=100
Suppose ABCD has sides a and b. The length of one of ABCD's diagonals is given by a2+ b2 = c2, where c is one of the diagonals.
<span>3x2(7x2 − 9)
Multiply 3x^2 by 7x^2 and -9(Use distributive property)
Final Answer: D.) 21x^4 - 27x^2</span>
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