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Sati [7]
2 years ago
13

Select the correct answer.

Mathematics
2 answers:
topjm [15]2 years ago
5 0
C. $60. If 50% is 30, the other 50% is also 30. This would make 100% 60.
eduard2 years ago
4 0

If 30 is half price, then what is full price?

You can set up this problem like this:

30 = x/2

OR

30 = (1/2)x

where x is the full price.

To solve, simply multiply each half by 2:

2(30) = 2((1/2)x)

<u>x = $60</u>

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Find the perimeter (add all sides) of a square when side a= - 41x²
Dafna11 [192]

Answer:

-164x^2

Step-by-step explanation:

The Perimeter of a square is 4s where s is the length of 1 side.

So P=4(-41x^2) 41*4=164 ----> P=-164x^2

5 0
2 years ago
Helllpppppppppppppkeiei
azamat

Answer:

5x-5

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
20% off $115 7.5% sales tax what is the final price of the coffee table
TiliK225 [7]

Answer:

Therefore the final price of the table coffee which is on sale by 20% with a sales tax of 7.5% is $98.9

Step-by-step explanation:

it is $98.9

6 0
2 years ago
Read 2 more answers
4x + 33 = 10x + 3 <br> show your work
asambeis [7]

Answer:

on 4x + 33 = 10x + 3, we could use inverse operation and move 10x to left side, which will create -6x+33=3. we could also use the same thing to 33 and get -6x=-30. if we divide -30 by -6, we would get 5

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Cupro-nickel coins are minted by mixing copper and nichel in the ratio 4:1
Softa [21]
Copper:   Nickel =  4:1

a) How much copper needed for 20 kg nickel
                 C:N = 4: 1 
                 C:20 = 4:1

C/20 = 4/1       Cross Multiply
C*1 = 4*20
C = 80     

80kg Copper would be needed.

b) How much Nickel would be needed for 20 kg of Copper
                 C:N = 4: 1 
                 20:N = 4:1

20/N = 4/1       Cross Multiply
4*N = 1*20
4N = 20   Divide both sides by N.  

N = 20/4 = 5

5kg Nickel would be needed.
8 0
3 years ago
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