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3 years ago

6

Which expression is equivalent to 1/4(8-6x+12)?

1 answer:

disa [49]3 years ago

8 0

First simplify inside parenthasees 8-6x+12 -6x+8+12 -6x+20 distributive poproty a(b+c)=ab+ac 1/4(-6x+20)=-6x/4+20/4= -3/2x+5

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Answer:

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3 years ago

From 12:00 midnight to 6:00 a.m., the temperature decreased by 12°C. If the original temperature was 12°C, which expression can

xxMikexx [17]

Answer:

12-12

Step-by-step explanation:

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3 years ago

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ASAP! GIVING BRAINLIEST! Please read the question THEN answer CORRECTLY! NO guessing. Show your work OR give an explaination.

love history [14]

Answer:

$\boxed{D. 3 {x}^{2} - x - 6}$

Given:

$f(x) = 3{x}^{2} - 4 \\ \\ g(x) = x + 2$

To Find:

$(f - g)(x) = f(x) - g(x)$

Step-by-step explanation:

$= > f(x) - g(x) = (3{x}^{2} - 4) - (x + 2) \\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 3{x}^{2} - 4 -(x) - (2)\\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: =3{x}^{2} - 4 - x - 2\\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: =3 {x}^{2} - x - 6$

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3 years ago

15. Tim buys a new computer for his office for $1200. For tax purposes, he declares a linear depreciation (loss of value) of $20

Leokris [45]

Answer:

<em>Slope is -200 and y-intercept is at (0, 1200)</em>

<em>The linear equation is: $y=-200x+1200$ </em>

<em>The value of the computer after 4.5 years will be $300.</em>

Step-by-step explanation:

Value of the new computer is $1200

For tax purposes, the linear depreciation (loss of value) is $200 per year.

So after $x$ years, total loss of value will be: $\$200x$

If $y$ is the declared value of the computer after $x$ years, then the linear equation will be.......

$y=1200-200x\\ \\ \Rightarrow y=-200x+1200$

If we compare the above equation with slope-intercept form $(y=mx+b)$ , then we will get: $m=-200$ and $b=1200$

So, the slope of the line will be -200 and y-intercept will be at (0, 1200)

After 4.5 years means $x=4.5$

So when $x=4.5$ , $y=-200(4.5)+1200=-900+1200=300$

Thus, the value of the computer after 4.5 years will be $300.

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3 years ago

You have invested $12,000 into two different companies company 1 earns you 6% on your investment each year and Company 2 earns y

vovikov84 [41]

The correct questions says 5% each year for Company 2.

The amount invested in companies A and B are; $10,000 and $2000 respectively.

<h3>Percentages on Investment</h3>

Let the amount in Company 1 be; x

Let the amount in Company 2 be; y

Hence, we have the equation;

x + y = 12,000

Additionally, 6% is earned on company 1 and 50% on company 2.

Therefore, we have;

0.06x + 0.05y = 700

6x + 5y = 70000

by solving the equation simultaneously;

6(12000 -y) + 5y = 70000

72000 - 6y + 5y = 70000

y = $2000

x = $12000 - $2000

x = 10000

x = $10,000

Read more on simultaneous equations;

brainly.com/question/16863577

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3 years ago