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daser333 [38]
2 years ago
5

Hurry Asap Need Help I Will Give Brainliest!!

Mathematics
2 answers:
Darya [45]2 years ago
8 0
1. cbd
2. 40 degrees + 25 degrees =65 degrees
3. 70 degrees - 45 degrees =25 degrees
lyudmila [28]2 years ago
8 0
Okay I think the first blank is CBD.
Then the next bit of blanks should be 40° + 25° = 65°.
For the last section I think it’s 70° - 45° = 25°
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For any number n>1 is |(3/4+2/3i)^n|
sasho [114]

The for any number n>1 is |(3/4+2/3i)^n| greater than 1 after simplifying the complex number.

<h3>What is a complex number?</h3>

It is defined as the number which can be written as x+iy where x is the real number or real part of the complex number and y is the imaginary part of the complex number and i is the iota which is nothing but a square root of -1.

We have a complex number:

= \rm |(\dfrac{2}{3}+\dfrac{3}{4}i)^n|\\\\\\= \rm |(\dfrac{8+9i}{12})^n|\\\\\\= \rm |\dfrac{(8+9i)^n}{12^n}|\\\\

Here n>1

Plug n = 2

= \rm |\dfrac{(8+9i)^2}{12^2}|\\\\

= 145/144

= 1.0069

Which is greater than 1.

Thus, the for any number n>1 is |(3/4+2/3i)^n| greater than 1 after simplifying the complex number.

Learn more about the complex number here:

brainly.com/question/10251853

#SPJ1

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2 years ago
What is the slope of a line with points (0,3) and (5,18)
Ilia_Sergeevich [38]

Answer:

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Step-by-step explanation:

7 0
2 years ago
Rectangle ABCD has vertices A(–6, –2), B(–3, –2),
dexar [7]

Answer:

The rule is ( x - 4, y + 3)

Step-by-step explanation:

4 0
2 years ago
At choo choo mikes toy store, there are 100 toys that are randomly selected. Out of those 100, 12 of them are defective. What is
joja [24]

Step-by-step explanation:

im not positive but it should be 12% chance that one is defective and then 11% chance when you pull one out

7 0
3 years ago
The sum of the first 10 terms of an arithmetic series is 100 and the sum of next 10 300 .Find the series.​
Free_Kalibri [48]

Let a be the first term in the sequence, and d the common difference between consecutive terms. If aₙ denotes the n-th term in the sequence, then

a₁ = a

a₂ = a₁ + d = a + d

a₃ = a₂ + d = a + 2d

a₄ = a₃ + d = a + 3d

and so on, up to the n-th term

aₙ = a + (n - 1) d

The sum of the first 10 terms is 100, and so

\displaystyle \sum_{n=1}^{10} a_n = 100 \\ \sum_{n=1}^{10} (a + (n-1)d) = 100 \\ (a-d) \sum_{n=1}^{10} 1 + d \sum_{n=1}^{10} n = 100 \\ 10a+45d = 100

where we use the well-known sum formulas,

\displaystyle \sum_{n=1}^N 1 = 1 + 1 + 1 + \cdots + 1 = N

\displaystyle \sum_{n=1}^N n = 1 + 2 + 3 + \cdots + N = \frac{N(N+1)}2

The sum of the next 10 terms is 300, so

\displaystyle \sum_{n=11}^{20} a_n = 300 \\ (a-d) \sum_{n=11}^{20} 1 + d \sum_{n=11}^{20} n = 300 \\ (a-d) \left(\sum_{n=1}^{20} 1 - \sum_{n=1}^{10} 1\right) 1 + d \left(\sum_{n=1}^{20} n - \sum_{n=1}^{10} n\right) = 300 \\ 10a+145d = 300

Solve for a and d. Eliminating a gives

(10a + 145d) - (10a + 45d) = 300 - 100

100d = 200

d = 2

and solving for a gives

10a + 145×2 = 300

10a = 10

a = 1

So, the given sequence is simply the sequence of positive odd integers,

{1, 3, 5, 7, 9, …}

given recursively by the relation

\begin{cases}a_1 = 1 \\ a_n = a_{n-1} + 2 & \text{for }n>1\end{cases}

and explicitly by

a_n = 1 + 2(n-1) = 2n - 1

for n ≥ 1.

7 0
2 years ago
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