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3 years ago

15

1. Which value of the denominator would make the below statement true?

2 answers:

Inessa [10]3 years ago

6 0

a

Step-by-step explanation:

multiple

6times 3--16

mamaluj [8]3 years ago

3 0

Answer:

d. 24

Step-by-step explanation:

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Find the x-intercept of the following equation. Simplify the answer.<br><br> 5x − y = –7

Roman55 [17]

Answer: x intercept= (-7/5,0) y intercept= (0.7)

Step-by-step explanation:

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3 years ago

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in a AP the first term is 8,nth term is 33 and sum to first n terms is 123.Find n and common difference

allsm [11]

I believe there is no such AP...

Recursively, this sequence is supposed to be given by

$\begin{cases}a_1=8\\a_k=a_{k-1}+d&\text{for }k>1\end{cases}$

so that

$a_k=a_{k-1}+d=a_{k-2}+2d=\cdots=a_1+(k-1)d$

$a_n=a_1+(n-1)d$

$33=8+(n-1)d$

$21=(n-1)d$

$n$ has to be an integer, which means there are 4 possible cases.

Case 1: $n-1=1$ and $d=21$ . But

$\displaystyle\sum_{k=1}^2(8+21(k-1))=37\neq123$

Case 2: $n-1=21$ and $d=1$ . But

$\displaystyle\sum_{k=1}^{22}(8+1(k-1))=407\neq123$

Case 3: $n-1=3$ and $d=7$ . But

$\displaystyle\sum_{k=1}^4(8+7(k-1))=74\neq123$

Case 4: $n-1=7$ and $d=3$ . But

$\displaystyle\sum_{k=1}^8(8+3(k-1))=148\neq123$

8 0

3 years ago

Insert grouping symbols <br><br> 2 times 9+7

a_sh-v [17]

Answer:

2 times (9+7)

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4 years ago

What are the coordinates A’ after 90 counterclockwise rotation about the origin.

vampirchik [111]

Answer:

the above is the answer

hope this is helpful

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3 years ago

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anastassius [24]

There are 36 12s in 3

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3 years ago