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Leya [2.2K]
3 years ago
11

What is the value of x in the equation 13 x minus 2 (8 + 5 x) = 12 minus 11 x?

Mathematics
2 answers:
mr_godi [17]3 years ago
8 0

Answer:

x=2

Step-by-step explanation:

Just took the test

zavuch27 [327]3 years ago
5 0

Answer:

x = 2

Step-by-step explanation:

<u>Step 1:  Convert words into an expression</u>

What is the value of x in the equation 13 x minus 2 (8 + 5 x) = 12 minus 11 x?

13x - 2(8 + 5x) = 12 - 11x

<u>Step 2:  Distribute</u>

13x - 2(8 + 5x) = 12 - 11x

13x - 16 - 10x = 12 - 11x

<u>Step 3:  Solve for x</u>

13x - 16 - 10x + 11x + 16 = 12 - 11x + 11x + 16

14x / 14 = 28 / 14

x = 2

Answer:  x = 2

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Klio2033 [76]

Answer:

a) a_n=2(a_{n-1}), where a_1=5.

b)  a_n=5(2)^{n-1}

Step-by-step explanation:

The given sequence is


5,10,20,40....


The first term of the sequence is

a_1=5


The second term is a_2=10


The common ratio for this sequence can be determined using any two consecutive terms in the sequence.

Using the first two terms, the common ratio is

r=\frac{a_2}{a_1}


\Rightarrow r=\frac{10}{5}=2


a) The recursive rule is given by,


a_n=r(a_{n-1})


a_n=2(a_{n-1}), where a_1=5.


b) The explicit rule is given by a_n=a_1r^{n-1}


\Rightarrow a_n=5(2)^{n-1}





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2 years ago
Please answer correctly !!!!! Will mark Brianliest !!!!!!!!!!!!!!
andriy [413]

Answer:

44.1

Step-by-step explanation:

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Which means that  cos(x)=\frac{28}{39}

Now we solve for x

To get rid of the "cos" we take the inverse of cos ( which is cos^-^1 ) and apply it to each side

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We're left with x = 44.11461855

Our last step is to round to the nearest tenth and we get that the answer is 44.1

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