3 years ago

Which equation represents a proportional relationship?

Mathematics

1 answer:

snow_tiger [21]3 years ago

6 0

I am not certain but I think c? if its wrong sorry

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Following one side of a rural road, the house numbers increase by eighteen. The house number of the first house on the road is 8

ad-work [718]

Answer:

Recursive:

$a_n=a_{(n-1)}+18\\ \\ a_1=82$

Explicit:

$a_n=64+18n$

Explanation:

1. Sequence:

$a_1=82\\ \\ a_2=82+18=100\\ \\ a_3=100+18=118\\ \\ a_4=118+18=136\\ \\ ...$

2. Recursive formula

The recursive formula permits to calculate the value of the nth term in the sequence using the (n-1)th term in the sequence.

$a_n=a_{(n-1)}+18\\ \\ a_1=82$

3. Explicit formula

The explicit formula permits to calculate any value of a term in the sequence:

$a_n=a_1+(n-1)d\\ \\ a_n=82+(n-1)18\\ \\ a_n=82+18n-18\\ \\ a_n=64+18n$

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3 years ago

Which statement is true about the measure of angle R’??

aleksley [76]

Answer:

Angle R is an Angle

Step-by-step explanation:

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Can someone help me with number 4?

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The US: 300m World: 9b Most accurate: B

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B is the most accurate

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Question 11 12 and 13 Will be brainliest 20 POINTS NO EXPLANATION NEEDED

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i read in class 4 but I don't explain the answer

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Kim and Kate sell gym memberships. Kim earned $50 her first day of work and $75 each day after that. Kate earned $35 her first d

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For Kim, start at 50 and add 75 for each day after the first day.

For Kate, start at 35 and add 75 for each day after the first day.

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Kim will have earned $ 275 and Kate will have earned 260 after 4 days.

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3 years ago