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4 years ago

10

??????????????????????????

1 answer:

Mrrafil [7]4 years ago

6 0

Answer:

341°

Step-by-step explanation:

$m\angle DPC = m \angle APB = 19° \\ .. (Vertical\: \angle 's) \\\therefore m(arc DC) = m\angle DPC= 19° \\ \because m(arc DBC) = 360°-m(arc DC) \\ \therefore \: m(arc \: DBC) = 360 \degree - 19 \degree \\ = 341 \degree \\ \red{ \boxed{ \bold{\therefore \: m(arc \: DBC)= 341 \degree}}} \\$

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5x - 8x + 9 = 2x + 39

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Answer:

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3 years ago

Read 2 more answers

The general term for the sequence 2, 4, 8, 16, 32, . . . is

Nuetrik [128]

We are given

sequence is 2 , 4 , 8 ,16 , 32 , .....

Firstly , we will check whether it is geometric sequence

Checking geometric sequence:

We will find common ratio between successive terms

and then we check whether they are equal

r1=(second term)/(first term)

$r_1=\frac{4}{2}=2$

r2=(third term)/(second term)

$r_2=\frac{8}{4}=2$

r3=(fourth term)/(third term)

$r_3=\frac{16}{8}=2$

r4=(fifth term)/(fourth term)

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we can see that all four ratios are same

$r_1=r_2=r_3=r_4=2$

so, this is geometric sequence

Calculation of general term:

We got

common ratio is

$r=2$

Let's assume

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first term is 2

$a_1=2$

now, we can use formula

$a_n=a_1 (r)^{n-1}$

we can plug values

and we get

$a_n=2(2)^{n-1}$

$a_n=2^1(2)^{n-1}$

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3 years ago

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Answer:

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3 years ago

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3 years ago

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dimaraw [331]

Answer:

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Step-by-step explanation:

First, let us look at the first two (far left) fractions to solve for a.

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Next, we will look at the first and third fractions to solve for b.

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2 years ago