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3 years ago

12

14-2(x+8)=5x-(3x-34)

1 answer:

Scilla [17]3 years ago

4 0

Answer:30=-34

Step-by-step explanation:

First you distribute so 2×X is 2X

2×8 is 16 then you do the other side but you put a one in front of the- so it goes 1 times 3x is 3x and you turn the minus into a plus sign and turn the positive 34 into a negative 34 so -34× 1 is -34 then write that out to look like 14-2X+16= 5X -3X + -34 then you add or subtract the commons which is 14+16= 30 and 5X-3X=2X so now your equation is 30-2x=2X+(-34) then you want to get your X on the same side so you subtract 2X from the right side and the left side then your left 30=-34

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The number of passengers using a railway fell from 190,205 to 174,989 during a 5-year period. Find the annual percentage decreas

lakkis [162]

Answer:

1.65%

Step-by-step explanation:

We will assume the percentage was the same over the 5 years. The number of passengers using a railway is expressed by the formula

$P(t) = P_{o}(1 - r)^{t}$

Where

P(t) is the number of passengers after 5 years

P(t) = 174,989

P₀ is the number of the passengers at the beginning of the period

P₀ = 190,205

r is the rate in percentage r = ?

t is time duration t = 5 years

Substituting these given values into the formula,

$174,989 = 190,205(1 - r)^{5}$

$(1 - r)^{5} = \frac {174,989}{190,205}$

$1 - r = \sqrt[5]{ \frac {174,989}{190,205}}$

$1 - r = \sqrt[5]{0.920}$

$1 - r = 0.9835$

$r = 1 - 0.9835$

$r = 0.0165$

r = 1.65%

The annual percentage decrease over the period of 5 years is 1.65%

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3 years ago

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Answer:

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Step-by-step explanation:

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