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3 years ago

Sydney wrote the equation y+1=12(x−3).Explain her error and then write the correct equation in point-slope form.

Mathematics

1 answer:

Alja [10]3 years ago

6 0

Step-by-step explanation:

the answer is correct l

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Study the geometric sequence {-4, -84, -1764, -37044, ...}.

Nonamiya [84]

Answer:

$\bold{a_n=(-4)21^{n-1}}$

Step-by-step explanation:

$a_1=-4\,,\ a_2=-84\,,\ a_3=-1764\,,\ a_4=-37044\quad\implies\ \ r=21$

{-84:(-4)=21 and -1764:(-84)=21 and -37044:(-1764)=21}

geometric sequence formula: $a_n=a_1r^{n-1}$

$a_1=-4\quad and \ \ r=21$

$a_n=(-4)21^{n-1}$

3 0

3 years ago

-2/17x=10 what is the solution set?

puteri [66]

Answer:

x=-85

Step-by-step explanation:

7 0

3 years ago

I need help with this question.

ivann1987 [24]

9514 1404 393

Answer:

a8 = 4

Step-by-step explanation:

Put 8 where n is and do the arithmetic.

a8 = (1/2)(8) = 8/2 = 4

The 8th term of this arithmetic sequence is 4.

4 0

3 years ago

Find the square of the following without actual multpliation .<br><br> 43

devlian [24]

I'll explain how I found it without actual multiplication,

${40}^{2} = 1600 \\ {3}^{2} = 9 \\ 2 \times 40 \times 3 = 240 \\$

So,

${43}^{2} = 1600 + 240 + 9 \\ = 1849$

Hope this will help....

3 0

3 years ago

What expression is equivalent to (4-x)+3

sattari [20]

The answer would be B

5 0

3 years ago