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3 years ago

Need help on number one and three

Mathematics

1 answer:

Naya [18.7K]3 years ago

4 0

An example for #1 would be that: 15 is divisible by 3, but not 9. every third multiple of 3, (9, 18, 27,...) is divisible by 9 because 9 is three times the size of 3.

For part two the first number that I thought of is 23.

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why is sin(90 degrees) = 1. I know that that is the answer you get when you plug it into a calculator. I need an explanation as

sveta [45]

Answer:

Sin 90 = 1/1 = 1

Use trigonometry formula and a triangle with lengths of 1

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3 years ago

Solve this question and help save my life!

vlada-n [284]

The next two term is 13 and 16 respectively.

Step-by-step explanation:

here,

a1 = -2

a2 = 1

a3 = 4

a4 = 7

a5 = 10

So, d = a2 - a1 = 1 - (-2) = 3

= a3 - a2 = 4 - 1 = 3

Here, Common difference is same everywhere and the value of d is 3

Then,

To find 6th term of this sequence

a6 = a5 + d

= 10 + 3

a6 = 13

To find 7th term of this sequence

a7 = a6 + d

= 13 + 3

a7 = 16

Thus, The next two term is 13 and 16 respectively.

-TheUnknownScientist

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3 years ago

Choose whether the expression is a result of multiplying

vladimir1956 [14]

Answer:

neither

Step-by-step explanation:

Take out 5 as a common factor. It will be easier to look at.

5(5c^2 + 11c + 6)

5(5C +6 )(c + 1 )

Now you can put the 5 inside.

(25c + 30)(c + 1) is one answer.

(5c + 6)(5c + 5) is another.

The answer is multiplying binomials. There is nothing that that is squared and the answers are not conjugates. They are two binomials multiplied together.

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3 years ago

In the figure, if the measure of 21 = 112°, what's the measure of 212?

Usimov [2.4K]

48°

Alternate interior angles.

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3 years ago

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