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
How many centimeters are in 3.2 inches? [1 inch = 2.5 cm]
1 answer:
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Answer:
20 >= x + y
Step-by-step explanation:
Given:
- The length of garden = x
- The width of the garden = y
- Total fence available = 40 ft
- Rectangular garden
Find:
(a) Write and inequality representing the fact that the total perimeter of thegarden is at most 40 ft.
(b) Sketch part of the solution set for this inequality that represents all possiblevalues for the length and with of the garden.
Solution:
- The perimeter of the rectangular garden is P at most 40 ft:
P >= 2*x + 2*y
40 >= 2*x + 2*y
20 >= x + y
- The sketch of the graph will be all points in the shaded region denoted by the inequality as follows:
y =< 20 - x
- See the triangular shaded region.
The bottle is a cylinder, height <em>h</em> radius <em>r=h/4.</em>
Answer: second choice, cube root