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3 years ago

Find the first, fourth, and tenth terms of the arithmetic sequence described by the given rule.

1 answer:

5 0

1st term
A (1) = -6+(1-1)(6)
= -6 +0
= -6

4th term
A (4)= -6 +(4-1)(6)
=-6 + 18
= 12

10th term
A (10) =-6 +(10-1)(6)
=-6 + 54
=48.

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3 years ago

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Which expression is equivalent to is m<4

Tju [1.3M]

Answer:

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Step-by-step explanation:

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3 years ago

I really need help with this, my teacher doesn't really teach and I'm stumped again.

yarga [219]

Answer:

JMK = 54

JKH = 126

HLK = 90

HJL = 27

LHK = 63

JLK = 27

Step-by-step explanation:

Just use 180 for total angles in each triangle. Vertical angles mean the opposite to 126 is 126 and the other two that make up the inner vertices are (360- 126*2)/2 = 54

So, 126, `16, 54 , 54 are the inner angles in the circle. Just go from there.

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3 years ago

Here are descriptions for how two dot patterns are growing,

Arisa [49]

The steps in the patterns A and B form a sequence

The attached diagram represents dots in patterns A and B

<h3>How to draw the diagrams</h3>

For pattern A, we have:

Step 2 = 10 dots

Increment of 3 dots in each step

This means that:

Step 0 = 4 dots

Step 1 = 7 dots

Step 2 = 10 dots

Step 3 = 13 dots

For pattern A, we have the following rule

$T_n =2n^2 + 1$

When n = 0 to 3, we have:

$T_0 =2(0)^2 + 1 =1$

Step 0 = 1 dot

$T_1 =2(1)^2 + 1 =3$

Step 1 = 3 dots

$T_2 =2(2)^2 + 1 =9$

Step 2 = 9 dots

$T_3 =2(3)^2 + 1 =19$

Step 3 = 19 dots

Next, we draw the diagrams of both patterns (see attachment)