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Reptile [31]
3 years ago
14

Chapter 2 Test

Mathematics
2 answers:
IgorLugansk [536]3 years ago
6 0
The correct answer is option C) 0.52, Z, 0.55 , }
vova2212 [387]3 years ago
3 0

Answer:

C

Step-by-step explanation:

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How to find 18% of 3000​
WITCHER [35]

Answer:

the answer is 540

Step-by-step explanation:

Hope this helps, have a good day

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Verify the identity.<br> tan^5x = tan^3xsec^2x -tan^3x
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Tan^5x=tan^3x∗tan^2x
sin^2x+cos^2x=1
tan^2x+1=sec^2x
tan^2x=sec^2x−1
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She bought 9 cases of tile for $189. She realizes she bought too much tile and returns 4 unopened cases to the store.
nadya68 [22]
So the 1 case of tile is $21
$21 x 5 = $105
8 0
3 years ago
Suppose that there are two types of tickets to a show: advance and same-day. Advance tickets cost $30 and same-day tickets cost
Andre45 [30]

The number of advance tickets sold is 25 and same day tickets sold is 30.

Data Given;

  • Advance Ticket = $30
  • Same-day Ticket = $25
  • Total Ticket = $60
  • Total Cost of Ticket = $1625

<h3>System of Equations</h3>

Let the number of advance ticket be represented by x

Let the number of same-day ticket be represented by y

x + y = 60\\&#10;30x + 25y = 1625

From the system of equations above, we can easily pick any to start our calculation.

Using equation (i),

x + y = 60

x = 60 - y ...equation(iii)

Put equation (iii) into equation (ii)

30x + 25y = 1625\\&#10;x = 60 - y\\&#10;30(60 - y) + 25y = 1625\\&#10;1800 - 30y + 25y = 1625\\&#10;1800 -5y = 1625\\&#10;5y = 1800 - 1625\\&#10;5y = 175\\&#10;5y/5 = 175/5\\&#10;y = 35

Put the value of y into equation (i)

x+y = 60\\&#10;x + 35 = 60\\&#10;x = 60 - 35\\&#10;x = 25

From the calculation above, the number of advance tickets sold is 25 and same-day tickets is 30.

Learn more on system of equations here;

brainly.com/question/13729904

6 0
2 years ago
Tyler is building a fish tank in the shape of a sphere that has a diameter of 20 inches. Based on Tyler's research, it is recomm
nikklg [1K]

Answer: 6 fishes

Step-by-step explanation:

Hi, to answer this question we have to apply the next formula:

Volume of a sphere = 4/3 x π x (diameter/2)^3

Replacing with the values given:

V = 4/3 x π x (20/2)^3

v = 4/3 x π x (10)^3 = 4,188.79 in3

Finally, we have to divide the volume of the fish tank by the volume that each goldfish needs.

4,188-79 / 693 = 6.04 = 6 fishes

Feel free to ask for more if needed or if you did not understand something.

3 0
4 years ago
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