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seropon [69]
3 years ago
7

2. Follow the process used to simplify the expression. Tell if it was done correctly. If not, explain and correct the error by s

howing your own work.
2/3 (6k – 9) + 8k – 2
4k - 9 + 8k - 2
12k - 11​
Mathematics
1 answer:
wariber [46]3 years ago
5 0

Answer:

No, the simplification is not done correctly. When multiplying

\frac{2}{3}\times-9 we should get -6 instead of -9.

the correct answer is 12k-8

Step-by-step explanation:

We need to tell if process was done correctly. If not, explain and correct the error by showing your own work.

The steps given are:

\frac{2}{3}  (6k - 9) + 8k - 2\\=4k - 9 + 8k - 2\\=12k - 11

No, the simplification is not done correctly. When multiplying

\frac{2}{3}\times-9 we should get -6 instead of -9.

Correcting the error:

\frac{2}{3}  (6k - 9) + 8k - 2\\=4k - 6 + 8k - 2\\=12k - 8

So, the correct answer is 12k-8

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Find an equation parallel to the line, y= -3x -1
Aleks04 [339]

Answer:

y = 3x -2

Step-by-step explanation:

If the line is parallel, that means it has the same slope. The given equation had a slope of 3, so the new line must also have a slope of 3.

You can plug the given coordinates into the slope-intercept form with a slope of 3 to find your answer.

y = m*x + b

7 = 3*3 + b

7 = 9 + b

-2 = b

y = 3x -2

I Hope This Helps :D

7 0
3 years ago
Read 2 more answers
Joe borrowed $6,000 from the bank at a rate of 7% simple interest per year. How much interest did he pay in 3 years?
tatyana61 [14]

Answer:

$19,260

Step-by-step explanation:

6,000 * 7% = 420

6,000 + 420 = 6,420

6,420 * 3 = 19,260

easy

6 0
3 years ago
-6+x/x^4 limit at x →0
Jlenok [28]

Answer:

not existing

Step-by-step explanation:

\frac{ - 6 + x}{ {x}^{4} }

lim x goes to 0 is

\frac{ - 6 + 0}{ {0}^{4} }  =   \frac{ - 6}{0}

so not exist

I'm not sure if u mean that or this

7 0
3 years ago
Sally wants to purchase some snowboarding equipment, clothes, and a season pass. She calculates that it will cost her about $1,8
Sonja [21]

<em><u>Total Cost : 1800</u></em>


<u><em>12 dollars * 16 hours = 192 dollars earned</em></u>


<u><em>0.2 percent * 192 = 38.4 dollars saved</em></u>


A.<u><em>She earns 192 dollars every week</em></u>


B.  she will save <em><u>38.4 dollars * 7 weeks = 268.8 </u></em> dollars in a week.


C.  7 days times 4.3 weeks = 30.1 days. <em><u>30.1 days * 38.4 = 1,155.84 dollars every month.</u></em>


D. it will take her  about <em><u>2 months</u></em> to save the money. <em><u>To be exact: 1.6 months.</u></em>


Hope this helped!

8 0
3 years ago
The set of points W(4, 4), X(6, 2), Y(-8, 16) are collinear and the line has a slope of ____.
Anton [14]

Answer: -1

Step-by-step explanation:

Given: The set of points W(4, 4), X(6, 2), Y(-8, 16) are collinear

The slope of a line passing through points (a,b) and (c,d) is given by :-

m=\frac{d-b}{c-a}

Now, the slope of line passing through W(4, 4), X(6, 2) is given by :-

m=\frac{6-4}{2-4}=\frac{2}{-2}=-1

Hence, the slope of line passing through W(4, 4), X(6, 2), Y(-8, 16) =-1

6 0
3 years ago
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