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ycow [4]
4 years ago
15

Ethan bought 4 packages of pencils. After he gave 8 pencils to his friends, he had 40 pencils

Mathematics
1 answer:
Inessa05 [86]4 years ago
8 0

Answer:

12

Step-by-step explanation:

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Explain how to determine the zeros of f(x)= (x+3)(x-2)(x-6)
Deffense [45]

Answer:

The zeros of f(x)  are -3, 2 , 6

Step-by-step explanation:

f(x) is a polynomial of degree 3.

If the polynomial is not factorized we will either factorize to find the zero or use trial and error method.

Since the f(x) in the question is in the factorized form. we will have to equate each factor to zero.

f(x) = (x+3)(x-2)(x-6)

x + 3 = 0 => x = -3

x - 2 = 0 =>  x = 2

x - 6 = 0 => x = 6

8 0
3 years ago
What is the solution for the following equation 3(2x+3)=2(3x+4)?
ki77a [65]

Answer:

<h2><u><em>no solution, the equation is false</em></u></h2>

Step-by-step explanation:

what is the solution for the following equation 3(2x+3)=2(3x+4)?

3 * (2x + 3) = 2 * (3x + 4)

6x + 9 = 6x + 8

6x - 6x = -9  + 8

0 = ±1

the equation is false

7 0
2 years ago
Read 2 more answers
Which phrase best describes f(x), graphed on the coordinate plane below?
Sphinxa [80]

answer.next time out the graph

Step-by-step explanation:

8 0
4 years ago
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Jeans are on sale for 20% off the regular price.
7nadin3 [17]

Keywords:

<em>Function, variable, total cost, percentage, jeans </em>

For this case we have a function of the formy = f (x), where f (x)represents the total cost of buying a pair of jeans, considering that they are 20% below the regular price given by the variable x.

So, if the pair of jeans costs x, we look for 20% of x.

x -----------> 100%

? -----------> 20%

Where "?" represents 20% of x. So, we have:

? = \frac {20 * x} {100}\\? = 0.2x

Thus, 0.2x represents the reduction of the total cost of the pair of jeans

Then, the function that gives the total cost of the pair of jeans, with a reduction of 20% is:

f (x) = x-0.2x

Answer:

f (x) = x-0.2x

Option C


6 0
3 years ago
What the slope of(12,7) (5,9) ​
bulgar [2K]

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slope =  \frac{9 - 7}{5 - 12}  \\

slope =  \frac{2}{ - 7}  \\

slope = -  \frac{2}{7}  \\

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

8 0
3 years ago
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