Answer:
21/5
Step-by-step explanation:
Yes, his estimate is reasonable. But only if Michael is less than 2 years old.
Donald will have 20x+10 dollars
Answer:
1.A matrix is a rectangular array of numbers, symbols, or expressions, arranged in rows and columns.
2.
Solution given:
We have
Sin²
-Cos ²
=1
Sin²
=1+Cos²
Sin
=
3.
4Tan²
+4Cot²
-3Tan²
-3Cot²
4Tan²
-3Tan²
+4Cot²
-3Cot²
Tan²
-Cot²
The answer is A. It is not B because 9 is the product of 3 x 3. It can't be C because 1 is only the product of 1 x 1.