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Alja [10]
3 years ago
7

Help! Click to see question!

Mathematics
2 answers:
Solnce55 [7]3 years ago
8 0

Answer:

The common facor is x-3.

Step-by-step explanation:

The first expression can be factored with a difference of squares, x+3 and x-3. You can check that by multiplying them together to get x²-9. Knowing that you need a common factor, one that works for both expressions, you can immediately eliminate A and B. The second expression, x²-5x+6, has to share one of these two factors. To factor this, you find the numbers that multiply to the c term and add to the b term. (Ax²+bx+c) so b is -5 and c is 6. All you have to do is find out which two numbers add to -5 and multiply to 6. You start with factors of 6, which are +-6 and +-1, and +-3 and +-2. Say you try 6 and 1 first. The b term is negative, so these two added have to add to a negative number, which means positive 6 and positive 1 won´t work. The only way to add to -5 is to add 1 to -6 or -6 to 1, but multiplying those together gives you -6, and you need positive 6 in the c term. That leaves you with -2 and -3. they add to -5, and multiply to -6, which means that your common term is x-3. Test this by expanding your result, (x-2)(x-3), if you get the original expression theyre both factors.

EleoNora [17]3 years ago
7 0

Answer:

B.

Step-by-step explanation:

Both equations use x squared

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The histogram shows the height, in feet, of Black Cherry Trees.
algol [13]

Answer:

31 total trees

Most common height range is 75-79 ft

Step-by-step explanation:

3 + 3 + 8 + 10 + 5 + 2

31 total trees

Most common height range is 75-79 ft

6 0
3 years ago
Read 2 more answers
(Scientific Notation in the Real World MC)
Brrunno [24]

The average number of viewers over the two week is D. 4.85 x 10^5.

<h3>How to calculate the value?</h3>

It should be noted that the scientific notation simply has to do with writing of numbers that are either too large or too small. This will be illustrated thus:

In this case, the TV show had 5.6 x 10^5 viewers in the first week and 4.1 x 10^5 viewers in the second week.

Therefore, the average number of viewers over the two weeks will be:

= (5.6 × 10^5) + (4.1 × 10^5) / 2

= 4.85 × 10^5

Note that we had to divide by 2 since it's average.

Learn more about notation on:

brainly.com/question/5756316

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5 0
1 year ago
gail ran 4<img src="https://tex.z-dn.net/?f=%5Cfrac%7B6%7D%7B10%7D" id="TexFormula1" title="\frac{6}{10}" alt="\frac{6}{10}" ali
erastovalidia [21]
92/25=3.68 I hope this help
3 0
2 years ago
<img src="https://tex.z-dn.net/?f=x%20%7B%7D%5E%7B2%7D%20%20-%202ax%20%2B%202%28a%20%7B%7D%5E%7B2%7D%20%20-%206%29%20%3D%200" id
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5 0
3 years ago
What are the solutions of this system of equations? Select all that apply. y = x2 − x − 3 y = −3x + 5
goldfiish [28.3K]
What are the solutions of this system of equations? Select all that apply. y = x2 − x − 3 y = −3x + 5

6 0
2 years ago
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