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Ray Of Light [21]
3 years ago
15

Please factor these two equations.

Mathematics
1 answer:
Montano1993 [528]3 years ago
7 0

Answer:

The answer to your question is 9.  (2x - 3)(3x - 4)      10.   (x + 4)²    

Step-by-step explanation:

9.               6x²  -  17x + 12

-Multiply 6 by 12 and find the prime factors of the result

              6 x 12 = 72

                                  72   2

                                  36   2

                                   18   2

                                     9  3

                                     3  3

                                      1

-Find two numbers that added gives -17

-These numbers are -8 and -9

-Substitution

                    6x² - 9x - 8x + 12

-Factor by grouping

                   3x(2x - 3) - 4(2x - 3)

                   (2x - 3)(3x - 4)    

10.                x²  + 8x  + 16

-Find two numbers that added gives 8 and multiply gives 16

-These numbers are 4 and 4

-Factor like a perfect square trinomial

                  (x + 4)²          

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Pls help i am on a timer
salantis [7]

Answer: (x-6)(x+1)

Step-by-step explanation:

Sum :  x2 − 5  x- 6

x2 + x-=6 x − 6

factor pair: x  2 + x − 6 x − 6

x( x+ 1 ) − 6 ( x + 1 )

rewrite from: x (x  + 1 ) − 6 ( x + 1 )

(x-6)(x+1)

8 0
3 years ago
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How to solve 2a x a x a x3a + b +4b
kodGreya [7K]

Answer:

6 {a}^{4}  + 5b

Step-by-step explanation:

2a \times  a\times a \times 3 a+ b + 4b \\ 2a \times a = 2 {a}^{2}  \\ 2 {a}^{2}  \times a = 2 {a}^{3}  \\ 2 {a}^{3}  \times 3a = 6 {a}^{4}  \\b +  4b = 5b

Therefore the answer is

6 {a}^{4}  + 5b

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2 years ago
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The positions of two villages A and B. Village B is 100km away and on a bearing of 083° from village A.
blagie [28]

Answer:

23•1

Step-by-step explanation:

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7 0
3 years ago
In a survey of 300 T.V. viewers, 40% said they watch network news programs. Find the margin of error for this survey if we want
bixtya [17]

Answer:

<h2>0.05543</h2>

Step-by-step explanation:

The formula for calculating the margin of error is expressed as;

M.E = z * \sqrt{\frac{p*(1-p)}{n} } where;

z is the z-score at 95% confidence = 1.96 (This is gotten from z-table)

p is the percentage probability of those that watched network news

p = 40% = 0.4

n is the sample size = 300

Substituting this values into the formula will give;

M.E = 1.96*\sqrt{\frac{0.4(1-0.4)}{300} }\\ \\M.E = 1.96*\sqrt{\frac{0.4(0.6)}{300} }\\\\\\M.E = 1.96*\sqrt{\frac{0.24}{300} }\\\\\\M.E = 1.96*\sqrt{0.0008}\\\\\\M.E = 1.96*0.02828\\\\M.E \approx 0.05543

Hence, the margin of error for this survey if we want 95% confidence in our estimate of the percent of T.V. viewers who watch network news programs is approximately 0.05543

5 0
3 years ago
Find the value x.<br> Need help....thank you
nikklg [1K]

Step-by-step explanation:

It is parallel to the third side and has a length equal to half the length of the third side.

so

x= 34/2= 17

x= 17

6 0
3 years ago
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