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Lera25 [3.4K]
3 years ago
7

Which of the following is a arithmatic sequence

Mathematics
1 answer:
faltersainse [42]3 years ago
6 0
B is the answer because you are subtracting 2 each time. Arithmetic sequences are either subtraction or addition
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Could someone help me with this word problem? I have no idea how to solve it. Also, please don't give me the answer.
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He spent 5/6 of his life in america. 
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Jasmin read 1 3/4 pages in one minute. Armando read 1 1/2 times the number of pages that Jasmin read. How many pages did Armando
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A graph titled Cost of Erasers. The x-axis shows the number of erasers, numbered 1 to 9, and the y-axis shows the total cost in
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7 0
3 years ago
-2x(x + 1) = -2x + 5
kvv77 [185]

we are given

-2x(x+1)=-2x+5

Since, we have to solve for x

so, we will isolate all terms on left side

step-1:

Distribute -2x

-2x\times x-2x\times 1=-2x+5

-2x^2-2x=-2x+5

step-2:

Add both sides by 2x

-2x^2-2x+2x=-2x+5+2x

-2x^2=5

Step-3:

Divide both sides by -2

and we get

x^2=-\frac{5}{2}

now, we can take sqrt both sides

\sqrt{x^2} =\sqrt{-\frac{5}{2}}

we get

x=-\sqrt{\frac{5}{2}}i,x=\sqrt{\frac{5}{2}}i..............Answer

3 0
4 years ago
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