Abigail's rectangular flower garden has a width of 4 1/4feet and an area of 12 3/4 square feet.
1 answer:
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Answer:
Answer is given below with explanations.
Step-by-step explanation:
1)
1) Option d) Monomial degree 2
2)
2) Option c) Binomial degree 7
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bearing in mind that standard form for a linear equation means
• all coefficients must be integers, no fractions
• only the constant on the right-hand-side
• all variables on the left-hand-side, sorted
• "x" must not have a negative coefficient
just to point something out, is none of the options, however -x + y = 8, is one, though improper.
Answer:
(√6)/2 square units
Step-by-step explanation:
The area of a triangle is half the magnitude of the cross product of the vectors representing adjacent sides.
QR = (4-3, -1-(-4), -4-(-5)) = (1, 3, 1)
QS = (3 -3, -5-(-4), -6-(-5)) = (0, -1, -1)
The cross product is the determinant ...
The magnitude of this is ...
|QR × QS| = √((-2)² +1² +(-1)²) = √6
The area of the triangle is half this value:
Area = (1/2)√6 . . . . square units