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slava [35]
3 years ago
14

(2+3i)+(-4+i) left-parenthesis 2 plus 3 i right-parenthesis plus left-parenthesis negative 4 plus i right-parenthesis

Mathematics
1 answer:
Triss [41]3 years ago
4 0

Answer:

-2 + 4i

Step-by-step explanation:

1) remove unnecessary parentheses:

2 + 3i + (-4 + i)

2) calculate difference:

-4 + 2 = -2

-2 + 3i + i

3) collect like terms:

For our answer: -2 + 4i

There ya go, hope I helped good luck!

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Andre and Priya are tracking the number of steps they walk. Andre records that he can walk 6000 steps in 50 minutes. Priya write
Bogdan [553]

Let's start by calculating the number of steps Andre walked. He recorded that he can walk 6000 steps in 50 minutes, which means that he can walk 6000/50=120 steps per minute. 5 hours = 5*60 = 300 minutes. So Andre has walked 120 * 300 = 36 000 steps.

Priya writes the equation y=118x in which y is the number of steps and x is the number of minutes. As already stated, 5 hours = 300 minutes. So x = 300. We replace x by its value and we get y = 118x = 118*300 = 35400 steps.

36000>34500 so Andre has walked more steps than Priya.

Hope this helps! :)

7 0
3 years ago
Every real number is irrational true or false
katrin2010 [14]
Every real number is irrational this is true
6 0
4 years ago
Rewrite 15^1/3 in radical form.
ziro4ka [17]

Answer:46

Step-by-step explanation:

4 0
4 years ago
Read 2 more answers
For a certain race, 3 teams were allowed to enter 3 members each. A team earned 6 – n points whenever one of its members finishe
ololo11 [35]

Answer:

The least possible score a team could have earned is 3.

Step-by-step explanation:

From the given information it is clear that the total number of teams is 3.

Total number of members in each team is 3.

A team earned 6 – n points whenever one of its members finished in nth place, where 1 ≤ n ≤ 5.

It means the points for 1st, 2nd, 3rd, 4th, and 5th place are 5, 4, 3, 2 and 1 respectively.

Total points that can be earned all teams together = 5+4+3+2+1=15

There were no ties, disqualifications, or withdrawals.

To minimize the score of a team, we have to maximize the score of the other two teams.

It is given that no team earned more than 6 points,

Let two teams earn there maximum score. i.e. 6. So the score of third team is

15-6-6=3

Therefore, the least possible score a team could have earned is 3.

8 0
3 years ago
A manuacturer of household items has total revenue given by the function R=17.5x and has total cost given by C=15x+300 where x i
yKpoI14uk [10]

Answer:

Break-even point in units= 120 units

Step-by-step explanation:

Giving the following formula:

Selling price= $17.5

Unitary cost= $15

Fixed costs= $300

<u>To calculate the break-even point in units, we need to use the following formula:</u>

<u></u>

Break-even point in units= fixed costs/ contribution margin per unit

Break-even point in units= 300 / (17.5 - 15)

Break-even point in units= 120 units

3 0
3 years ago
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