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Tju [1.3M]
3 years ago
13

What is the solution of 3/4x + 2x = 44

Mathematics
2 answers:
EastWind [94]3 years ago
7 0

Answer:

16

Step-by-step explanation:

3/4 x + 2x = 44

3x + 8x = 176

11x = 176

x = 16

dem82 [27]3 years ago
6 0

Answer:

x=16

Step-by-step explanation:

I like to solve things using the computer so here is a picture:

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in 2012, the population of a city was 63,000. by 2017, the population was reduced to approximately 54,100. identify any equation
Akimi4 [234]

Answer:

<em></em>f(x) = 63000(0.97)^x<em></em>

<em></em>

Step-by-step explanation:

Given

f(0) = 63000 ---x = 0, in 2012

f(5) = 54100 -- x = 5, in 2017

Required

Select all possible equations

Because there is a reduction in the population, as time increases; the rate must be less than 1.

An exponential function is represented as:

f(x) = ab^x

Where

b = rate

rate > 1 in options (a) and (b) i.e. 1.03

This implies that (a) and (b) cannot be true

For option (c), we have:

f(x) = 63000(0.97)^x

Set x = 0

f(0) = 63000(0.97)^0 = 63000*1=63000\\

Set x = 5

f(5) = 63000(0.97)^5 = 63000*0.8587=54098.1 \approx 54100

<em>This is true because the calculated values of f(0) and f(5) correspond to the given values</em>

For option (d), we have:

f(x) = 52477(0.97)^x

Set x = 0

f(0) = 52477(0.97)^0 - 52477* 1 = 52477

<em>This is false because the calculated value of f(0) does not correspond to the given value</em>

For option (e), we have:

f(x) = 63000(0.97)^\frac{1}{5x}

Set x = 0

f(0) = 63000(0.97)^\frac{1}{5*0} = 63000(0.97)^\frac{1}{0} =undefined

<em>This is false because the f(x) is not undefined at x = 0</em>

For option (f), we have:

f(x) = 52477(0.97)^{5x

Set x = 0

f(0) = 52477(0.97)^{5*0} = 52477(0.97)^0 =52477*1= 52477

<em>This is false because the calculated value of f(0) does not correspond to the given value</em>

<em>From the computations above, only (c) </em>f(x) = 63000(0.97)^x<em> is true</em>

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3 years ago
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timurjin [86]

Answer:

fefe efwe wefw efwffwee  ef ewwfwef we fwefwe we

Step-by-step  explanation:

fweef efwgfwe  r2323   fewerf wefwef23 ew2fefeff ej ufue f2343 4 343 433 3

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= 9x2 +9x -18,/<br> 3x +6
Ede4ka [16]

Answer:24+3x

Step-by-step explanation:

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Step-by-step explanation:

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Nezavi [6.7K]

Answer:

3 ÷ 1/3 = 9

Step-by-step explanation:

= 3 ÷ 1/3

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