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lesantik [10]
4 years ago
7

Consider the function represented by 9x+3y= 12 with x as the independent variable. How can this function be written using

Mathematics
1 answer:
Semenov [28]4 years ago
8 0

Answer:

f(x) = -3x + 4

Second option

Step-by-step explanation:

In function notation, the <u>"y" variable is isolated and replaced with "f(x)"</u>.

Isolate "y" by keeping "y" on the left and moving everything else to the right. To move something, do its reverse operation to both sides.

9x + 3y = 12

9x + 3y - 9x = 12 - 9x                  Do -9x on both sides

3y = -9x + 12

3y/3 = -9x/3 + 12/3                      Divide by 3 on both sides

y = -3x + 4                             Change to function notation

f(x) = -3x + 4                         Answer

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6. The total cost of materials to build the foam
Sophie [7]

Answer:

Cost of Material per square foot = $1.7

Step-by-step explanation:

Given:

Length = 24

Width = 12

Height = 6.5

Find:

Cost of Material per square foot

Computation:

TSA of pit = 2[bh + hl] + lb

TSA of pit = 2[(12)(6.5) + (24)(6.5)] + (24)(12)

TSA of pit = 2[78+156] + 288

TSA of pit = 756 square foot

Cost of Material per square foot = 1,285.20 / 756

Cost of Material per square foot = $1.7

4 0
3 years ago
A rectangular garden has length twice as great as its width. A second rectangular garden has the same length as the first garden
Slav-nsk [51]
I say 12 because that would mean the first rectangle is 6x12 and the second is 10x12
4 0
4 years ago
In a drawer there are 6 black socks,8 white socks,2 red socks, and 4 blue socks. A boy takes one socks from the drawer, without
galina1969 [7]

Answer:

1/5

Step-by-step explanation:

Chance is also referred to as probability

probability = Number of event/Total samples space

If there are 6 black socks,8 white socks,2 red socks, and 4 blue socks in a drawer, the total number of socks will be the sample space

Sample space = 6 + 8 + 2 + 4

Sample space = 20socks

Total number of blue socks is the event

Number of event = 4 blue socks

Chance that the socks is blue = n(E)/n(S)

Chance that the socks is blue = 4/20

Chance that the socks is blue = 1/5

3 0
3 years ago
Find the complete factorization of the expression. 48x + 56xy A) 8x(6 + 7y) B) 8x(7 + 6y) C) 8xy(6 + 7) D) 8xy(13)
mel-nik [20]
Hello there!

The expression:48x+ 56xy

We know we can't add them together since 56 is being multiplied by y. We aren't going to combine 48x and 56xy. They will remain separate terms. 

We know that "C" and "D" are not the answers. 

However, we can check the following expressions to see if they match the given expression.

8x(6+7y)= 8x*6= 48x  8x*7y= 56xy <=== "A" is correct

"A" is the correct answer. 

I hope this helps!
~kaikers


4 0
3 years ago
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k0ka [10]

Answer:

<h2><em><u>no, it's 18 dear</u></em></h2>

Step-by-step explanation:

please mark as brain and like please please follow me and I'm waiting excitedly for the reaction of you and your like

4 0
3 years ago
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