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Solnce55 [7]
3 years ago
12

Suppose f(x) = 3x*2 - 2x Find f(-4)

Mathematics
1 answer:
TiliK225 [7]3 years ago
4 0

Answer:

f(- 4) = 56

Step-by-step explanation:

Substitute x = - 4 into f(x) , that is

f(- 4) = 3(- 4)² - 2(- 4) = 3(16) + 8 = 48 + 8 = 56

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Which of the following constants can be added to x^2+2/3 to form a perfect square trinomial?
Lera25 [3.4K]

As your question is stated, there is no answer!


I'm going to assume the polynomial you meant is:


x^2 + \frac{2}{3} x


To create a perfect square trinomial, take half the coefficient of x and then square it.


\left( \frac{1}{2} \times \frac{2}{3} \right) ^2 = \left(\frac{1}{3} \right) ^2 =\frac{1}{9}


In all problems like this, you want to square half the coefficient of x -- always half.

4 0
3 years ago
A pants factory pays its seamstresses by their production output. If the company paid a seamstress 5¢ for every 4 pockets she se
Harman [31]

.05 \div 60.00 = 1200 \\ 4 \times 1200 = 4800 \: pockets

Hope this helps.

3 0
3 years ago
Can someone help me with my math pls
zhuklara [117]

Answer:

Both 4x^2 and 64 are perfect squares

Step-by-step explanation:

If you are looking for the difference of squares, the two terms both have to be squares. We know that 64 is a square because it is 8 x 8. Also, we can say 4x^2 is a square because it can also be written as (2x)^2. We are basically looking for an option that tells us that they are square. This is option 1.

The second option is invalid because being an even number does not mean the number is a square.

The third option does not help the case much either. Just because there is a common perfect square factor, does not mean the numbers themselves are perfects squares.

8 0
3 years ago
Pls help me with these three problems asap. Write a number under the radical (square root symbol) that makes the statement true
blagie [28]

Answer:

the picture is black, pls retake

Step-by-step explanation:

6 0
3 years ago
What do you add to 17/4 to make 5?
marusya05 [52]

Answer:

3/4 is what you are adding

17/4+3/4=20/4=5

3 0
2 years ago
Read 2 more answers
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