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yan [13]
2 years ago
9

Factor: 28k^3-24k^2+49k-42 I will give Brainliest to the first person :)

Mathematics
2 answers:
GrogVix [38]2 years ago
7 0

Answer:

(7k - 6) (4k^{2} + 7)

Step-by-step explanation:

28k^{3} - 24k^{2} + 49k - 42

= (28k^{3} - 24k^{2}) + (49k - 42)

= 4k^{2} (7k - 6) + 7 (7k - 6)

= (7k - 6) (4k^{2} + 7)

seropon [69]2 years ago
5 0

Answer:

(4k^2+7)(7k-6)

Step-by-step explanation:

Factor each half of the expression separately:

4k^2(7k-6)+7(7k-6)

Since both 4k² and 7 are being multiplied by (7k-6), we can combine them to get:

(4k^2+7)(7k-6)

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Find the midpoint of the segment between the points (8,-10) and (-10,-8)
Delvig [45]

Answer:

(-1, -9)

Step-by-step explanation:

Recall that for 2 points (x1, y1) and (x2,y2)

the midpoints are given by

x ordinate = \frac{x1+x2}{2}

y ordinate = \frac{y1+y2}{2}

In our case x1 = 8, y1 = -10, x2 = -10, y2=-8

x ordinate = \frac{x1+x2}{2}  = [8 + (-10) ] / 2 = -1

y ordinate = \frac{y1+y2}{2} = [-10 + (-8) ] / 2 = -9

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7 0
3 years ago
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Step-by-step explanation:

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3 0
3 years ago
Explain how you found the gfc of <br> 12a^2 b^6, 28a^4, and 42ab^3
bija089 [108]

Answer: 4a

<u>Step-by-step explanation:</u>

12a²b⁶                         28a⁴                          42ab³

 ∧    ∧                           ∧  ∧                          ∧   ∧

2  6  a² b⁶                    7 4  aaaa                 7 6 a b³

   ∧     ∧                          ∧                              ∧     ∧

  2 3  aa bbbbbb          2 2                           2 3   bbb

12a²b⁶: 2 * 2 * 3 * aa * bbbbbb

28a⁴: 2 * 2 * 7 * aaaa

42ab³: 2 * 2 * 3 * 7 * a * bbb  

What do they have in common? two 2s and one a  

GCF = 2 * 2 * a = 4a          

6 0
3 years ago
Is 0.4 greater than or less than 2/5
Dmitry [639]
2 divided by 5 = 0.4
2/5 = 0.4
2/5 is equal to 0.4
6 0
3 years ago
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