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Sholpan [36]
4 years ago
9

Is (2,-9) a solution to y=-1/2x-8 and Y=-9x+9.

Mathematics
1 answer:
kupik [55]4 years ago
3 0
Yes i think its correct
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Which of the following is true of the data set represented by the box plot?
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the min is 16

Step-by-step explanation:

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Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s). Consider the ex
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-2, 6

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(x - 6)(x + 2) = 0

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Y=5*2 to the 2nd power
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Find the 50th term of the sequence 5, -2, -9, -16, ...
Elodia [21]

Answer:

-338

Step-by-step explanation:

So we have the sequence:

5, -2, -9, -16...

First, note that this is an arithmetic sequence.

This is because each individual term is the previous term <em>added</em> by a common difference.

We can see that this common difference is -7, because each subsequent term is 7 <em>less</em> than the previous one. For example, 5 minus 7 is -2, -2 minus 7 is -9, and so on.

So, to find the 50th term, we can write an explicit formula for our sequence.

The standard form for the explicit formula for an arithmetic sequence is:

x_n=a+d(n-1)

Where a is the initial term, d is the common difference, and n is the nth term.

We can see that our initial term a is 5. And we also already determined that the common difference d is -7. So, substitute:

x_n=5-7(n-1)

Now, to find the 50th term, all we have to do is to substitute 50 for n. So:

x_{50}=5-7(50-1)

Subtract within the parentheses:

x_{50}=5-7(49)

Multiply:

x_{50}=5-343

Subtract:

x_{50}=-338

So, the 50th term is -338.

And we're done!

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Which parallelogram has an area of 60 square units? Select the correct
horsena [70]
Am I opinion the answers either a or B but I’m pretty sure it’s been
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3 years ago
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