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Aleks [24]
3 years ago
14

Which trinomial did she factor? x2 + 4x – 12 x2 + 2x - 6 x2 - 8x - 6 x2 - 4x - 12

Mathematics
1 answer:
Rom4ik [11]3 years ago
6 0

Answer:

Step-by-step explanation:

x^{2} + 4x -12\\x^{2}+6x-2x-12\\x(x+6)-2(x+6)\\(x-2)(x+6)

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Drag each tile to the correct box. A group of marine biologists on a marine expedition recorded the elevations at which they fou
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Answer:

Garden eel, Great white shark, sea urchin, Sea turtle

Step-by-step explanation:

Given that:

Animal ____ altitude

Sea turtle __ - 502

Sea urchin __ - 452

Garden eel __ - 396

Great white shark __ - 430

Arranging in decreasing order of elevation :

-396 > - 430 > - 452 > - 502

Hence, the animals can be arranged in decreasing order of elevation thus :

Garden eel, Great white shark, sea urchin, Sea turtle

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3 years ago
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Evaluate the principal square root of 64
anygoal [31]
The square root of 64 is 8 because 8x8 is 64
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there are two sizes of red and blue marbles in a box. Of the big marbles in the box, 45 are red and 3/4 are blue. The fraction o
nikklg [1K]
Big marbles = 45red 3/4 blue
Small marbles = 2/5 red    3/5 blue    24 more small blue mabrles than red marbles
What percentage of the marbles are big marbles

First of all lets working out the missing values: 
Big Marbles, 45 red, 3/4 blue. If 45 red is 1/4, then 135 (45*3) is 3/4.
Big Marbles, 45 red, 135 blue = 180 in total

For the small marbles, we do some logical thinking:
If red is 2/5, and blue is 3/5. And blue has 24 more than red.
That means 24 = 1/5
So in total there are 120 small marbles (24*5)
There are 180 big marbles 
We add these together, 120 + 180 = 300 marbles
180 / 300 = 0.6 = 60%
^ Divide the big marbles by the number of total marbles

60% of the marbles are big marbles

<u>Please vote my answer brainliest if I helped!</u>
3 0
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Answer:

A cross section is a surface or shape that is exposed by making a straight cut through something especially at right angles to an axis.

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