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DENIUS [597]
2 years ago
13

Ranking correct answer brainliest !

Mathematics
2 answers:
inysia [295]2 years ago
6 0

Answer:

It’s B

Step-by-step explanation:

Linear pairs means that it equals up to 180 degrees which we can see with HOB and TOB

icang [17]2 years ago
3 0

Answer:

a linear pair

Step-by-step explanation:

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What is the recursive rule for this geometric sequence? 27,  9,  3,  1,  ... Enter your answers in the boxes.
ANEK [815]

Answer:

a_n=a_{n-1}(\frac{1}{3})\\a_1=27

Step-by-step explanation:

A recursive formula is a formula in which each term is based on the previous term.

In a geometric sequence, each term is found by multiplying the previous term by a constant.

To get from 27 to 9, then from 9 to 3, etc., we would multiply by 1/3.  This makes the common ratio 1/3.

The recursive formula for a geometric sequence is

a_n=a_{n-1}(r), where a_n represents the general term,  a_{n-1}, represents the previous term, and r represents the common ratio.

Plugging in our values, we have

a_n=a_{n-1}(r)

We also have to indicate what the first term, a₁, is.  In this sequence, it is 21.  This gives us

a_n=a_{n-1}(\frac{1}{3})\\a_1=27

8 0
3 years ago
Read 2 more answers
Another one he doesn't think I'm right on.
kotykmax [81]

A. 8 is the answer

If the triangles are similar then their sides need to be in the same ratio. So, if 22 become 11, then the ratio is 2:1. So, for 16 it becomes 8.

4 0
3 years ago
Read 2 more answers
HELP PLEASE 25 points! y=-1/4(x+2)^2+1 vertex: axis: y-int: and then graph it
kolezko [41]

Answer:

x=-1/4

Step-by-step explanation:

this might be wrong

5 0
3 years ago
Rebecca collected data from a random sample of 1200 homeowners in her state asking whether or not they use electric heat. Based
larisa [96]

Hi,

The answer is c. The sample is biased.

This is because the sample is taken on a single state, an Rebecca reports a statistic about the nation. Her data contains information only of her state. If she lives in a very cold state, there is probably more homeowners using electric heat than in a hot state.

6 0
3 years ago
Meredith was paid $18 for recycling 30 pounds glass. What is this rate payment
hammer [34]

$1.67 for each pound of glass

3 0
3 years ago
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