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2 years ago

A sequence is given by rule 4n-5 generate the first 5 terms of the sequence

Mathematics

2 answers:

Illusion [34]2 years ago

7 0

So the answer is the following
-1, 3, 7, 15, 19

gtnhenbr [62]2 years ago

4 0

Answer:

- 1, 3, 7, 11, 15

Step-by-step explanation:

Substitute n = 1, 2, 3, 4, 5 into the rule, that is

a₁ = 4(1) - 5 = 4 - 5 = - 1

a₂ = 4(2) - 5 = 8 - 5 = 3

a₃ = 4(3) - 5 = 12 - 5 = 7

a₄ = 4(4) - 5 = 16 - 5 = 11

a₅ = 4(5) - 5 = 20 - 5 = 15

The first 5 terms are - 1, 3, 7, 11, 15

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The ratio of boys to girls in a group is 4:1. If there are 33 more boys than girls, work out how many people there are in total.

MissTica

Total number of people is 55

<u>Step-by-step explanation:</u>

Step 1:

Given ratio between boys and girls is 4:1. Let number of girls be x, so number of boys = 33 + x

⇒ 4x + x = x + 33 + x

⇒ 5x = 33 + 2x

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Step 2:

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2 years ago

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oee [108]

Answer:

A' 2,2

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Step-by-step explanation:

Because you're translating it by -2, 3, you're basically subtracting 2 from the x value and adding 3 to the y value.

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2 years ago

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tamaranim1 [39]

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3 years ago

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andreev551 [17]

Answer:

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Step-by-step explanation:

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OverLord2011 [107]

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