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Ipatiy [6.2K]
3 years ago
9

What is the work to this ? 6=-3(x+2)

Mathematics
1 answer:
wlad13 [49]3 years ago
3 0
♥ To solve this you are going to find x. ♥

♥ X in this case is representing a unknown variable, meaning we are not sure of the number x, and to finish the solution to your problem we have to find x.

♥ So to find x the first step is to simplify both sides of the equation. 

♥ Starting with distribution:

6=(-3)(x)+(-3)(2) \\ 6=-3x+-6 \\ 6=-3x-6

♥ Now we want to flip the equation. 

-3x-6=6

♥ Our next and almost final step, is to add the number -3 to both sides of our problem. This is going to help us tremendously. 

-3x-6+6=6+6 \\ -3x=12

♥ Now our last step before we get our answer is to divide both sides of the problem. In this case we are going to do this:

\frac{-3x}{-3} =  \frac{12}{-3}

♥ And then because of that we get our final answer of: -4.


♥ x=-4 <span>♥</span>
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10 degrees Celsius :)



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3 years ago
Direct Variation: If y = 12, when x = 4, find y when x = 20. a.40 b.48 c.12 d.60
jolli1 [7]

Answer:

d

Step-by-step explanation:

Given the x and y are in direct variation then the equation relating them is

y = kx ← k is the constant of variation

To find k use the condition y = 12 when x = 4, that is

12 = 4k ( divide both sides by 4 )

3 = k

y = 3k ← equation of variation

When x = 20 , then

y = 3 × 20 = 60 → d

3 0
3 years ago
Karl participated in a two-day charity walk. His parents donated money for each mile he walked. Karl walked 3 3/4 miles on the f
nirvana33 [79]
The total number of miles wallked = 3.74 + 5.5 = 9.25 miles.
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8 0
4 years ago
Read 2 more answers
what is the multiplicative rate of change for the following coordinates (-1, .8) (0,2) (1,5) (2,12.5)
egoroff_w [7]
We can present these coordinates in tabulate form

    x         y
   -1       0.8
   0         2
    1         5
    2      12.5

We work the multiplicative rate of change by finding out the increase ratio

12.5 ÷ 5 = 2.5
5 ÷ 2 = 2.5
2 ÷ 0.8 = 2.5

The ratio results in the same ratio every time, which is 2.5

The multiplicative rate of change = 2.5


5 0
4 years ago
A scientist is studying the growth of a particular species of plant. He writes the following equation to show the height of the
stellarik [79]

9514 1404 393

Answer:

  A. 0 ≤ n ≤ 7

  B. the height after 0 days (the initial height in cm)

Step-by-step explanation:

<h3>A.</h3>

The plant cannot be expected to continue its exponential growth curve, so a reasonable domain is the domain of the observations already made. The plant reached its height of about 11.26 cm after about 7 days. The reasonable domain for the growth function is ...

  0 ≤ n ≤ 7

__

<h3>B.</h3>

The y-intercept corresponds to the n=0 value, the height of the plant at the start of the study.

_____

<em>Additional comment</em>

The value of n that gives f(n) = 11.26 can be found using logarithms.

  11.26 = 8(1.05^n)

  log(11.26/8) = n·log(1.05) . . . . . . divide by 8, take logs

  n = log(11.26/8)/log(1.05) ≈ 7.00582

3 0
3 years ago
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