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Ghella [55]
3 years ago
13

Please please help me

Mathematics
1 answer:
jonny [76]3 years ago
8 0

i dont really know.....

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Add (3+2i)+(-5+6i)<br> A) -8+8i<br> B) -8-4i<br> C) -2+8i<br> D) -2+4i
balandron [24]
The answer it b your welcome
6 0
3 years ago
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What is the ratio of 267?
Dmitry [639]
The answer is 133.5 I got this by dividing 267 by 2
5 0
3 years ago
In a bank account a paid out expense is called a debit and a deposit is called a credit. Would you use positive or negative inte
Allisa [31]

Answer:

positive integer

Step-by-step explanation:

In a bank account,

A paid out expense is called as debit

A deposit is called as credit

To find: sign used to represent credits

Solution:

Integers denote a set of natural numbers, their negative counterpart, and 0.

As credit denotes the amount deposited, the positive integer is used to denote credits.

5 0
3 years ago
A movie theater has a seating capacity of 197. The theater charges $5.00 for children, $7.00 for students, and $12.00 of adults.
yarga [219]

Answer: 74 children attended

86 students attended

37 adults attended

Step-by-step explanation:

Let x represent the number of children that attended.

Let y represent the number of students that attended.

Let z represent the number of adults that attended.

The movie theater has a seating capacity of 197. It means that

x + y + z = 197- - - - - - - - - - - - -1

The theater charges $5.00 for children, $7.00 for students, and $12.00 of adults. If the total ticket sales was $ 1416, It means that

5x + 7y + 12z = 1416- - - - - - - - - - 2

There are half as many adults as there are children. It means that

It means that

z = x/2

x = 2z

Substituting x = 2z into equation 1 and equation 2, it becomes

2z + y + z = 197

y + 3z = 197- - - - - - - - - - - - -3

5 × 2z + 7y + 12z = 1416

10z + 7y + 12z = 1416

7y + 22z = 1416- - - - - - - - - - - 4

Multiplying equation 3 by 7 and equation 4 by 1, it becomes

7y + 21z = 1379

7y + 22z = 1416

Subtracting, it becomes

- z = - 37

z = 37

x = 2z = 2 × 37

x = 74

Substituting x = 74 and z = 37 into equation 1, it becomes

74 + y + 37 = 197

y = 197 - 74 - 37

y = 86

5 0
3 years ago
What is the volume of the square pyramid with base edges 4 m and height 3 m
olya-2409 [2.1K]

16 m³

Step-by-step explanation:

Step 1:

Here we are going to find the volume of square pyramid.

Volume of square pyramid = (1/3) × (Base)^{2} × (Height)

Here base = 4 m

         Height = 3 m

Step 2:

Volume = (1/3) × (4 × 4) × 3

              = 16 m³

5 0
3 years ago
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