3 years ago

Help me with this question

Mathematics

1 answer:

vladimir1956 [14]3 years ago

8 0

It is 12.56 because you nee

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Given that y varies directly with x and y = 42 when x = 14, find y when x =90.

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Direct Variation equation: y=kx, k=y/x
42/14=3
k=3
y=3x
y=3(90)
y=270

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Answer:

what are we trying to do with the problem tho?

Step-by-step explanation:

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In a certain region, 6% of a city’s population moves to the surrounding suburbs each year, and 4% of the suburban population mov

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Answer:

Follows are the solution to this question:

Step-by-step explanation:

Following are the differential equation:

$\to P(C,S)t+1 = P(C,S)t+(- 0.06Ct +0.04St, 0.06Ct - 0.04St ) \ \ \ \\\\or \ \ \ \ \ \ \ \\\\ \to (0.94Ct + 0.04St, 0.96St + 0.06Ct)$

In equation:

$\to t = 0, \ as \ 2019\\\\\to Ct = 10,000,000 \\\\\to St = 800,000,000\\$

$\to P(C, S)1 = (0.94Ct + 0.04St, 0.96St + 0.06Ct) \\\\$

$= (0.94(10000000) + 0.04(800000), 0.96(800000) + 0.06(10000000))\\\\ = (9,400,000 + 32,000), (768,000 +6000000))\\\\ = (9432000, 1368000)$

$\to P(C, S)2 = (0.94(9432000) + 0.04(1368000), 0.96(1368000) + 0.06(9432000))$

$=(8,866,080 + 54,720), (1,313,280 + 565,920)\\\\=(8,920,800, 1,879,200)$

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3 years ago

F. Evaluate each logarithm. <br> 1. y = log 2 64 2. y = log 11 121

masya89 [10]

Answer:

og 2 64 2. y = log 11 12

Step-by-step explanation:

wrysgygg

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4 years ago