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2 years ago

PLEASE HELP ME AND BE CORRECT BEFORE ANSWERING

Mathematics

1 answer:

ddd [48]2 years ago

4 0

Answer:

8 units left , 5 units up

Step-by-step explanation:

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Archy [21]

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They are adjacent angles.

Both angles have common side and vertex.

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3 years ago

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MariettaO [177]

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Step-by-step explanation:

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3 years ago

Select all equations that could be used to find the measure of angle C, using the fact that the sum of all the angles in a trian

Semmy [17]

C = 180 - A - B

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C = 180 - (A+B)

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3 years ago

Seven increased by the product of two numbers

Kobotan [32]

Answer: x ≥ 5

Step-by-step explanation:

7 is increased by the product of a number and 3: 7 + 3x

Is at least 22: ≥ 22

Your equation is: 7 + 3x ≥ 22

subtract 7 from both sides

3x ≥ 15

divide both sides by 3

x ≥ 5

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3 years ago

What is the recursive rule for the sequence 2, -1, 1/2 , -1/4

Helga [31]

Answer:

$a_n=\frac{-1}{2}a_{n-1}$

$a_1=2$

Step-by-step explanation:

The recursive rule is a term defined in terms of other terms in the sequence.

The is a geometric sequence because it has a common ratio.

The common ratio can be found by dividing a term by previous term.

For example, all of these are equal:

$\frac{-1}{2}$

$\frac{\frac{1}{2}}{-1}$

$\frac{\frac{-1}{4}}{\frac{1}{2}}$

They are all equal to $\frac{-1}{2}$ .

So we are saying:

$\frac{\text{term}}{\text{previous term}}}=\frac{-1}{2}$

More formally:

$\frac{a_n}{a_{n-1}}=\frac{-1}{2}$ .

Multiply both sides by $a_{n-1}$ :

$a_n=\frac{-1}{2}a_{n-1}$

When doing recursive form, you need to state a term of the sequence (or more depending on the recursive form you have).

So the first term is 2.

So the full thing for the answer is:

$a_n=\frac{-1}{2}a_{n-1}$

$a_1=2$

8 0

3 years ago