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Yanka [14]
3 years ago
15

Simplify the expression 8+4a+6.2-9a

Mathematics
2 answers:
12345 [234]3 years ago
6 0

Answer:

12.2+(-5a)

Step-by-step explanation:

8+4a+6.2-9a

=(8+6.2)+(4a-9a)

=12.2+(-5a)

Pachacha [2.7K]3 years ago
6 0

Answer:

14.2 -5a

Step-by-step explanation:

8+4a+6.2-9a

Combine like terms

8+6.2    +4a-9a

14.2    -5a

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(20+80 divided by 2x8) divided [(54 divided by 9+14)divided by 4]
lesya692 [45]

Answer:

80

Step-by-step explanation:

Let's write out the equation:

8(20+80/2)/[(54/9+14)/4]

For the first part we get 8(100/2)

Then 50x8

Then 400

For the second part we have (6+14)/4 as we divide 54 by 9. PEMDAS

Then 20/4

Then 5

So our final answer is 400/5 which is 80.

Hope this helps!

7 0
3 years ago
Need help with math problem give 5 stars and brain thingy point
Lyrx [107]

Answer:

d) 3/8

Step-by-step explanation:

0, 1/8, 2/8, 3/8, 4/8, 5/8, 6/8, 7/8, 1

Hope this helps!

3 0
2 years ago
Read 2 more answers
Give a number that is not in the domain of <br><br> f(x) = √3x-6
Harman [31]
Any number that is less than 2 will work. It is impossible to find the square root of a negative number (you can only get imaginary number) since anything square is a positive number.
PS. If you are confused by the answer, just ask me.
5 0
3 years ago
68. Traveling to work How long do people travel each day to get to work ? The following table gives the average travel times to
vitfil [10]

A histogram is an image of data that resembles a bar graph and groups several categories into columns along the horizontal x-axis. The numerical count or percentage of occurrences for each column in the data are shown on the vertical y-axis. To see how data distribution patterns look, utilize columns.

(a) Use classes with a 2 minute width and a 14 minute starting point to create a histogram of the journey times. Thus, the first lesson lasts between 14 and 16 minutes.

Describe the distribution's shape. What is the average journey time interval?

If a histogram has a bell shape, its center and spread can be used to parsimoniously characterize it. The axis of symmetry is located at the middle. The spread is the separation between the center and a particular point of inflection. The inflection points of the bell-shaped histogram are indicated here.

To learn more about  Histogram refer to:

brainly.com/question/25983327

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5 0
1 year ago
Find f(g(x)) simplify completely f(x)= x^2+5x+2 g(x)=3x
Sindrei [870]

Answer:

<u>f(g(x)) = 9x² + 15x + 2</u>

Step-by-step explanation:

  • f(x) = x² + 5x + 2
  • g(x) = 3x

<u>Solving f(g(x))</u>

  • f(g(x))
  • f(3x)
  • f(3x) = (3x)² + 5(3x) + 2
  • f(3x) = 9x² + 15x + 2
  • <u>f(g(x)) = 9x² + 15x + 2</u>
8 0
2 years ago
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