400+30+8 is how you put 438 in standard form.
14.
4(5.6) = 4(6.0 - 0.4) = 4(6.0) - 4(0.4) = 22.4
16.
4(6 + 7) = 4(6) + 4(7) = 52
18.
14(10 - 5) = 14(10) - 14(5) = 70
9 x² + 16 y² = 144 /:144
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General formula of ellipse ( the center is at the origin ):
a² = 16, b² = 9
Domain: [-a, a ] = [-4, 4]
Range:[-b, b ]
Answer:
B ) ellipse.Domain: { -4 ≤ x ≤ 4 }Range: { -3 ≤ y ≤ 3 }
Answer:
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Step-by-step explanation:
we know that
The perimeter of rectangle is equal to
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In this problem we have
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
substitute in the formula and solve for L
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simplify
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
Answer:
Step-by-step explanation:
10 years ago, the population was 10,140 + 2,984 people
= 13,124 people