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4 years ago

Please help thank you

Mathematics

1 answer:

Nana76 [90]4 years ago

8 0

Answer:

Domain: {-1,-2,-3,-4}

Range: {4,5}

Step-by-step explanation:

As the range has repeated numbers, you don't have to repeat them.

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Find the value of x to the nearest tenth.

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A)7.5

Step-by-step explanation:

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3 years ago

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Jeremy is writing down a sequence of integers. He writes 1 as his first number. Then, he

Pachacha [2.7K]

Answer:

<em>4 is the unit's digit of the 20th number.</em>

Step-by-step explanation:

Let us try to find out a pattern for the unit's digit of the terms.

1st term is 1, so unit's digit of 1st term is 1.

2nd term $1^{2} + 3 = 4$ so unit's digit is 4.

3rd term $4^{2} + 3 = 19$ so unit's digit is 9.

4th term $19^{2} + 3 = 364$ so unit's digit is 4.

5th term's unit digit: Square of unit's digit of 4th term + 3

$4^{2} + 3 = 19$ i.e. 9.

We can see that the pattern is

3rd, 5th, 7th ...... terms have 9 as the unit's digit.

2nd, 4th, 6th.... terms have 4 as the unit's digit.

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