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7nadin3 [17]
3 years ago
10

What are the solutions of 3x+9+4x+x=

Mathematics
1 answer:
mart [117]3 years ago
5 0

Answer:

3x + 9 + 4x + x = 8x + 9

Step-by-step explanation:

combine like terms

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Use the given graph to determine the limit, if it exists. A coordinate graph is shown with a horizontal line crossing the y axis
Lesechka [4]

Answer:

The limit of the function does not exists.

Step-by-step explanation:

From the graph it is noticed that the value of the function is 6 from all values of x which are less than 2. At x=2, the line y=6 has open circle. It means x=2 is not included.

For x<2

f(x)=6

The value of the function is -3 from all values of x which are greater than 2. At x=2, the line y=-3 has open circle. It means x=2 is not included.

For x>2

f(x)=-3

The value of y is 1 at x=2, because of he close circles on (2,1).

For x=2

f(x)=1

Therefore the graph represents a piecewise function, which is defined as

f(x)=\begin{cases}6& \text{ if } x2 \end{cases}

The limit of a function exist at a point a if the left hand limit and right hand limit are equal.

lim_{x\rightarrow a^-}f(x)=lim_{x\rightarrow a^+}f(x)

The function is broken at x=2, therefore we have to find the left and right hand limit at x=2.

lim_{x\rightarrow 2^-}f(x)=6

lim_{x\rightarrow 2^+}f(x)=-3

6\neq-3

Since the left hand limit and right hand limit are not equal therefore the limit of the function does not exists.

6 0
3 years ago
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Use compatible numbers to estimate the quotient. 412 divided by 5
katen-ka-za [31]
412 divided by 5 is 82.4
6 0
3 years ago
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What would a monthly payment be on a purchase of a $11,000 car at 5.9% for 4 years?
Oxana [17]

Answer:

   A)  $257.83

Step-by-step explanation:

A spreadsheet or financial calculator will tell you the monthly payment on $11,000 at 5.9% annual rate for 4 years is ...

  $257.83

4 0
3 years ago
Find the probability. One digit from the number 3,151,221 is written on each of seven cards. What is the probability of drawing
Verizon [17]

Answer:

5/7

Step-by-step explanation:

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3 years ago
F(x) = 5x – 20 find f(6), f(10), and f(20)
damaskus [11]

Answer:

f(6) = 10, f(10) = 30, f(20) = 80

Step-by-step explanation:

Plug in the values into the equation and compute. 5*6 - 20 = 10, 5*10 - 20 = 30, 5*20 - 20 = 80.

8 0
3 years ago
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