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Elza [17]
3 years ago
10

What is the value of X? (explain your answer) A- 54B- 75C-78D-102​

Mathematics
1 answer:
Ivan3 years ago
6 0

Answer:

a 54

Step-by-step explanation:

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A math book at the Victor Valley College bookstore originally cost $84 to purchase. If they sell it for $126, what is the markup
jeka57 [31]
The answer is 150%
Equation: 126/84= 1.5• 100= 150%
5 0
2 years ago
Need help with number 6
12345 [234]

Answer: 172

Explanation:

<u>Mystery</u>          <u>Science Fiction</u>          <u>Biographies</u>

   4x                  3x

                                       4y                       5y

Science Fiction = 48

3x = 48      ⇒    x  = 16          

4y = 48      ⇒     y  = 12


Mystery: 4x   = 4(16)   = 64

Biographies: 5y   = 5(12)   = 60


Mystery + Science Fiction + Biographies = Total

     64     +          48            +         60        = Total

                                                         172    = Total

5 0
3 years ago
How much is 2/3 of two dozen?
Naddika [18.5K]

Answer:

16

Step-by-step explanation:

2 dozen= 24

24/3 = 8

8×2=16

7 0
3 years ago
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The directrix of a parabola is y = 4. Its focus is (2,6).
puteri [66]

Answer:

Equation in picturee

Step-by-step explanation:

8 0
3 years ago
Find the height of a cylinder with a volume of 100 and a radius of 2.
Veronika [31]

Answer:

7.95 units

Step-by-step explanation:

Given data

V= 100 units

r= 2 units

V= πr^2h

subsitute

100= 3.142*2^2*h

100= 3.142*4h

100=12.568h

h= 100/12.568

h=7.95 units

7 0
3 years ago
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