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evablogger [386]
3 years ago
5

(16+5i) + (6-7i)How do I solve this?​

Mathematics
2 answers:
Slav-nsk [51]3 years ago
6 0

Answer:

22-2i

Explanation:

16+6=22

5i-7i=-2i

Fantom [35]3 years ago
5 0

Answer:

\large\boxed{(16+5i)+(6-7i)=22-2i}

Step-by-step explanation:

(16+5i)+(6-7i)=16+5i+6+7i\qquad\text{combine like terms}\\\\=(16+6)+(5i-7i)=22-2i

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7. A letter from the word PERSONALITY and a card from a standard deck are chosen at random. How many outcomes are possible?
yKpoI14uk [10]

Answer:

11

Step-by-step explanation:

There are more than eleven cards in a deck but there can only be one outcome because there are only 11 letters in the word PERSONALITY.

8 0
3 years ago
Can someone help me find the surface area​
Semenov [28]

Answer:

The general formula for the total surface area of a right prism is T. S. A. =ph+2B where p represents the perimeter of the base, h the height of the prism and B the area of the base.

if height equals 6.72 and width equals to 12.7 and length equals to 5.78,

Answer:

S = 395.1832 cm2

3 0
2 years ago
Find the roots for (3x + 6) (x - 4) =0
baherus [9]

The solved problem is in the photo. Hope it helps.

7 0
3 years ago
Five hundred tickets were sold for a Saturday evening performance of a play. The tickets cost $ 7.50 for adults and $4.00 for ch
Volgvan

Answer: A+C=500

7.5A+4.75C=3351.25

C=500-A

7.5A+4.75(500-A)=3351.25

7.5A+2375-4.75A=3351.25

2.75A=976.25

A=355 adults ($2662.50)

C=500-A=145 children ($688.75)

Step-by-step explanation:

6 0
3 years ago
in order to determine her pulse rate, junes nurse counted 18 beats in her pulse in 15 seconds. at this rate, how many beats woul
DerKrebs [107]
In this Problem you can use the Cross Multiplication.
If in 15 seconds the nurse counted 18 beats, so in 60 seconds she will count x beats.

15 seconds = 18 beats
60 seconds = x beats
You use the cross multiplication and multiply 60 by 18 and 15 by x, so you get:
15x = 60 * 18
15x = 1080

Then, you divide 15x and 1080 by 15 each, so you get:
x = 72

So, the Nurse counted 72 beats in 60 seconds

Hope this Helps :)
4 0
2 years ago
Read 2 more answers
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