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Annette [7]
3 years ago
10

Factor the expression by grouping (show work/steps) -4x^3 - 12x^2 + 8x + 24

Mathematics
1 answer:
lisabon 2012 [21]3 years ago
5 0
Factor out -4
-4(x^3+3x^2-2x-6
Factor out x^2
-4(x^2(x+3)-2x-6)
Factor out -2
-4(x^2(x+3)-2(x+3))
Factor out x+3
-4(x+3)(x^2-2)
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Which is equivalent to (4xy – 3z)2, and what type of special product is it?
bazaltina [42]
Hello,

Answer D
16x²y²-24xyz+9z² a perfect square trinomial  which
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4 years ago
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A light bulb's brightness is reduced when placed behind a screen. The amount of visible light produced by the light bulb decreas
Rom4ik [11]

Answer:

B

Step-by-step explanation:

L=750(0.25)×

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7 0
2 years ago
Need help please! Will give it to the brainliest. Which expression models the bacterium's volume? Picture is below.
Tomtit [17]

The expression C. \pi (1)^{2} (0.5) cubic \mu \mathrm{m} represents the bacterium's volume.

Step-by-step explanation:

Step 1:

The E. Coli bacterium is in the shape of a cylinder.

The volume of a cylinder is given by multiplying π with the square of the radius (r²) and the height of the cylinder.

The volume of a cylinder, V=\pi r^{2} h.

In the given diagram, E. Coli has a radius of 1 \mu \mathrm{m} and a height of 0.5 \mu \mathrm{m}.

Step 2:

By substituting the values in the equation, we get

The volume of the E. Coli bacterium = \pi (1)^{2} (0.5) cubic \mu \mathrm{m}.

This is option C.

7 0
3 years ago
2a=9b<br><br> Use the equality to find ratios of a:b
nevsk [136]

Answer:

3:6, 18:4 keep exploring man!

Step-by-step explanation:

think of numbers to make them both true like ex 3 for a and 6 for b so in this case you could do 3:6

7 0
3 years ago
Based on the information in the table what is the probability of being a girl and choosing lemonade?
tresset_1 [31]

Using it's concept, it is found that the probability of being a girl and choosing lemonade is given by:

b. 0.2.

<h3>What is a probability?</h3>

A probability is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.

In this problem, out of 130 people, 26 are girls who choose lemonade, hence the probability is given by:

p = 26/130 = 0.2, which means that option b is correct.

More can be learned about probabilities at brainly.com/question/14398287

#SPJ1

5 0
2 years ago
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