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Vlad1618 [11]
3 years ago
9

(3 + 4i) + (5 − 2i) (2 points) −2 + 6i 2 − 2i 7 + 3i 8 + 2i

Mathematics
1 answer:
k0ka [10]3 years ago
6 0

Answer:

8+2i

Step-by-step explanation:

Combine like terms

3+5=8

4i-2i=2i

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Solve five and four tenths times two
ioda

Answer:

8 10ths

Step-by-step explanation:

in simplest form it would be that but not in simple from also that

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3 years ago
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Evaluate -a+(-b)−a+(−b)minus, a, plus, left parenthesis, minus, b, right parenthesis where a = 6.05a=6.05a, equals, 6, point, 05
swat32

Answer: -9.66

Step-by-step explanation:

Here the given expression,   -a + (-b)

Where  a = 6.05 and b =3.61

By putting the given values of a and b in the given expression,

We get,

- 6.05 + ( -3.61)

= -6.05 - 3.61

= - (6.05 + 3.61)

= - 9.66

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3 years ago
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Which equation is in point-slope form and is depicted by the line in this graph?
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4 years ago
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Professor Liu gave the same quiz to the students in her morning class and in her afternoon class. The average (arithmetic mean)
natka813 [3]

Answer:

Afternoon class has more students.

Step-by-step explanation:

Let m be the number of students in the morning class and n be the number of students in the afternoon class.

The average score for the students in the morning class was 80, then the sum of their scores is 80m.

The average score for the students in the afternoon class was 86, then the sum of their scores is 86n.

The sum of the scores of both classes is

80m+86n

and the average score is

\dfrac{80m+86n}{m+n}

The average (arithmetic mean) score for the two classes combined was 84, then

\dfrac{80m+86n}{m+n}=84\\ \\ 80m+86n=84m+84n\\ \\86n-84n=84m-80m\\ \\2n=4m\\ \\n=2m

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7 0
3 years ago
The balance in a savings account at the end of each year is shown below. The year is denoted by n, and the account balance is
vovangra [49]

Answer:

A(n) = 100(1.1)^n

Step-by-step explanation:

Given that :

Account balance = A(n)

Compound interest paid = 10%

We need to obtain the initial amount deposited, that is A(n), when n = 0

In year, n = 1

Account balance, A(n) = $110

Let initial deposit = P

Hence,

Compound interest relation should be ;

A(n) = P(1 + r)^n

Plugging in our values

110 = P(1 + 0.1)^1

110 / P = 1.1^1

110/P = 1.1

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Hence, we can define the amount paid inn n years by substuting the value of P into the compound interest formula :

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A(n) = 100(1.1)^n

5 0
3 years ago
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