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Gemiola [76]
2 years ago
13

{(4z-7,z-4,z) |z is any real number} z=-5

Mathematics
1 answer:
weeeeeb [17]2 years ago
4 0

The set when z = -5 is {-27, -9, -5}

<h3>How to determine the set elements?</h3>

The set is given as:

{(4z-7,z-4,z) |z is any real number}

When z=-5, we have:

4z - 7 = 4(-5) - 7 = -27

z - 4 = -5 - 4 = -9

z = -5

So, we have:

{(4z-7,z-4,z) |z is any real number} ⇒ {-27, -9, -5}

Hence, the set when z = -5 is {-27, -9, -5}

Read more about sets at:

brainly.com/question/8053622

#SPJ1

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Use the diagrams below to find the lengths of the missing sides. Figures in each diagram are similar.
Volgvan

Answer:

1) 30

2) 4.5

Step-by-step explanation:

5 0
3 years ago
A store is having a sale on almonds and jelly beans today. The table below shows the amount of each type of food (in pounds) and
Ad libitum [116K]

a. The system of equations are:

3x + 5y = 22

12x + 2y = 25

2. Cost for each pound of almond (x) = $1.5

Cost for each pound of jelly beans (y) = $3.5

<h3>How to Solve a System of Equations?</h3>

From the information given above, we can create the system of equations that will be used in solving the problem as shown below.

a. The system of equations that represents the situation is:

3x + 5y = 22 ----> equation 1

12x + 2y = 25 ----> equation 2

b. Multiply equation 1 by 2, and equation 2 by 5:

6x + 10y = 44 ----> equation 3

60x + 10y = 125 ----> equation 4

Subtract equation 4 from equation 3

-54x = -81

-54x/-54 = -81/-54

x = 1.5

Cost for each pound of almond (x) = $1.5

Substitute x = 1.5 into equation 1

3x + 5y = 22 ----> equation 1

3(1.5) + 5y = 22

4.5 + 5y = 22

5y = 22 - 4.5

5y = 17.5

5y/5 = 17.5/5

y = 3.5

Cost for each pound of jelly beans (y) = $3.5

Learn more about the system of equations on:

brainly.com/question/13729904

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3 0
1 year ago
What’s the length of EF in the right triangle below
Licemer1 [7]
HOPE it helps!!!!!!!!!
plz mark as a brainliest answer!!!!!!

4 0
3 years ago
Read 2 more answers
Now a $390 set of golf clubs will be on sale for only $234.<br> What is the discount percentage?
olga_2 [115]

Answer:

40%

Hope it helps

D=(L−S) /L×100

L = List Price

S = Sale Price

D = Discount percentage

3 0
3 years ago
A chemist is using
Alexandra [31]

The milliliters of acid in the solution is 74.1 milliliters

<h3>How to determine the milliliters of acid in the solution?</h3>

The given parameters are:

Volume of the solution = 388 milliliters

Proportion of acid in the solution = 19.1%

The milliliters of acid in the solution is then calculated as:

Milliliters = Volume of the solution * Proportion of acid in the solution

Substitute the known values in the above equation

Milliliters = 388 milliliters * 19.1%

Evaluate the product

Milliliters = 74.1 milliliters

Hence, the milliliters of acid in the solution is 74.1 milliliters

Read more about proportions at:

brainly.com/question/1781657

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4 0
2 years ago
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