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Zigmanuir [339]
3 years ago
13

What is the product of 2x + 7 and -x - 1

Mathematics
1 answer:
disa [49]3 years ago
7 0

Answer:

x=-8

Step-by-step explanation:

2x+7 = -x-1

x+7=-1

x=-8

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An item that is 20% off is sold for 48$ what was the original price
solniwko [45]

Answer:

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trust me I double checked and everything

7 0
3 years ago
F(x)=6x-18 sub in f(x/3), f(x)/3
arlik [135]

These are two separate problems: in the first we will have to substitute in a new value for x into the original equation and in the second we will manipulate the preexisting equation for f(x).

To begin, we will sub in f(x/3). To do this, we will substitute each variable x in the equation (in this case there is only one) with x/3, and then simplify the resulting equation.

f(x) = 6x - 18

f(x/3) = 6(x/3) - 18

To simplify, we should distribute the 6 on the right side of the equation.

f(x/3) = 6x/3 - 18

Now, we can divide the first term on the right side to finalize our simplification.

f(x/3) = 2x -18

Secondly, we are asked to find f(x)/3. To do this, we will take our original value for f(x), and then simplify divide that entire function by 3.

f(x) = 6x - 18

f(x)/3 = (6x-18)/3

This means that we must divide each term of the binomial by 3, so we are really computing

f(x)/3 = 6x/3 - 18/3

We can simplify by dividing both of the terms.

f(x)/3 = 2x - 6

Therefore, your answer is that f(x/3) = 2x - 18, but f(x)/3 = 2x - 6. It is important to recognize that these are two similar, yet different, answers.

Hope this helps!


8 0
3 years ago
How to unscramble this word nioarlta
Zielflug [23.3K]
Since this is in the Mathematics subject my best answer would be Rational.
6 0
4 years ago
Which of the is not a function
Lina20 [59]

Answer:

c)

Step-by-step explanation:

For a function the value of the variable "x" must correspond to a single value of "y"

Hope this helps

5 0
3 years ago
Y=ax-b for the variable x
dsp73

Answer:

ok

Step-by-step explanation:

3 0
3 years ago
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