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3 years ago

Anyone care to help me with my math?

Mathematics

2 answers:

Anna35 [415]3 years ago

3 0

1=2 -corresponding angle
2+3=180° (linear pair)
1+3=180°

soldi70 [24.7K]3 years ago

3 0

It seems like the other person ansered the question correctly because the answer is 180!!

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How do I find the value of X

sesenic [268]

You could either:
a) Use the Pythagorean Theorem
b) Use Sine/Cosine/Tangent Inverse to find one of the angles, and then use that angle to find x.

5 0

3 years ago

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Write a rule for the nth term of the geometric sequence if r = 1/4 and a3 = 2.

GarryVolchara [31]

Answer:

$a_{n} = 32(\frac{1}{4})^{n-1}$

Step-by-step explanation:

The nth term of a geometric sequence is given by the following equation.

$a_{n+1} = ra_{n}$

In which r is the common ratio.

This can be expanded for the nth term in the following way:

$a_{n} = a_{1}r^{n-1}$

In which $a_{1}$ is the first term.

This means that for example:

$a_{3} = a_{1}r^{3-1}$

$a_{3} = a_{1}r^{2}$

$2 = a_{1}(\frac{1}{4})^{2}$

$2 = \frac{a_{1}}{16}$

$a_{1} = 32$

Then

$a_{n} = 32(\frac{1}{4})^{n-1}$

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3 years ago

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trapecia [35]

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3 years ago

Can somebody please help me out

Alekssandra [29.7K]

Answer:

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3 years ago

Question- Solve for a<br> 2a+b=x

kobusy [5.1K]

Answer:

a = (x - b)/2

Step-by-step explanation:

2a + b = x

-b -b

2a = x - b

/2 /2

a = (x - b)/2

for ex:

x = 3

b = 2

a = ((3) - (2))/2 = 0.5

a = 0.5

2a + b = x

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3 years ago