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Nezavi [6.7K]
4 years ago
13

Factor the polynomial below. 4x^2-16 A. 4(x + 2)(x - 2) B. 4(x - 2)2 C. 4(2 - x)2 D. 4(2 + x)(2 - x)

Mathematics
2 answers:
Natasha2012 [34]4 years ago
7 0

Answer:

The answer is 4(x+2)(x-2)

Step-by-step explanation:

Just had this on a test, got it right! :)

marusya05 [52]4 years ago
3 0

Answer:

Option A, 4(x + 2)(x - 2)

Step-by-step explanation:

<u>Step 1:  Pull out a 4 </u>

<em>4(x^2 - 4) </em>

<u>Step 2:  Factor x^2 - 4 </u>

x^2 - 4

<em>(x + 2)(x - 2) </em>

<u>Step 3:  Combine </u>

<em>4(x + 2)(x - 2) </em>

Answer:  Option A, 4(x + 2)(x - 2)

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Temperature at 6am was -6 degrees and 17 degrees at 1pm. How many degrees has the temperature increased between 6am and 1 pm?
polet [3.4K]

23 degrees

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17+6=23

3 0
3 years ago
(PLEASE HELP) Question is worth 30 points:) The following function represents the production cost F(x) In dollars for x numbers
soldi70 [24.7K]

Answer:

production cost f(x), in dollars, for x number of units produced by company 1:

f(x) = 0.05x^2 − 7x + 300

2) Table that represents the production cost g(x), in dollars, for x number of units produced by company 2:

x        g(x)

0.6     899.58

0.8     899.52

1        899.50

1.2     899.52

1.4     899.58

3) Comparison: do a table for f(x) with the same x-values of the table for g(x).

x            f(x) = 0.05x^2 − 7x + 300    g(x)

0.6         295.818                               899.58

0.8         294.432                               899.52

1            293.05                                 899.50

1.2         291.672                               899.52

1.4          290.298                              899.58

As you can see the values of f(x) are consistently lower than the values of g(x) for the same x-values.

The minimum production cost for company 2 is around 899.50 at x = 1, while the minimum production cost of company 1 is defintely lower (lower than 292.298 for sure, in fact if you find the vertex it is 55).

Answer: Based on the given information, the minimum production cost for company 2 is greater.

Step-by-step explanation:

5 0
3 years ago
How do you find the constant rate of change for a linear function
mina [271]
The rate of change is the slope so it would be
rise/run
8 0
4 years ago
A grilled chicken salad at a popular fast food restaurant contains 650mg of sodium, which is 27% of the recommended daily amount
Free_Kalibri [48]
To find the answer,we can set up an equation with an unkown:

Let the recommended daily amount be y mg

y×27% = 650
y×27/100 = 650
y = 650 ÷ 27/100
y = 650 × 100/27
y = 2407.407407...
y ≈ 2407

Therefore, the answer is 2407 mg.

Hope it helps!
6 0
3 years ago
Read 2 more answers
Add -4 + 2/3 . A) -52/3 B) -42/3 C) -32/3 D) -31/3
liraira [26]
We suspect that spaces are missing in your answer selections.

If D is supposed to be -3 1/3, that choice is the correct one.

___
As written, none of the answer choices are correct.
3 0
3 years ago
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