Gary bought an MP3 player at a 20% discount sale for $40. What was the original price of the MP3 player?

Answers

Answer 1
Answer: 40*.20=8.00
40 - 8=32
answer32
hope you understand.
explain:]
40*.20=8
and second time i do ( - ) becouse they said 20% discount discount main is ( - )
so i do  ( - ) i think now you understand.

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Evaluate 4r(t – v) if r = 3, t = 5, and v = 2.
A watch was purchased for $25. The wholesale cost was $16. What percentage was the markup?64% 1.56% 56.25% 0.56%
What is the answer to 5×5
Distance between (-3 , -3 ) and (-6 , 1)
HELP ASAP!!!The markup on candy at the discount store is 45%. A bag of candy has a wholesale cost of $1.15. What will be the retail price for the candy?A. $1.45B. $1.60C. $1.67D. $1.78

Please help asap 30 pts

Answers

C. (1,2). You would graph the parabola, and the highest point/vertex would be at x=1,y=2. 

HELP ASAP PLEASE!!!Explain how to tell if a point is a solution for a system of equations.

Answers

Explanation:

When you put the solution values into each equation, the equation becomes a true statement. If all equations become true statements, the point is a solution to the system.

_____

For example, consider the system of equations ...

  • x + y = 6
  • x - y = 4

The point (x, y) = (5, 1) is proposed as the solution. When we put those values into the equations, we get ...

  5 + 1 = 6 . . . . . true

  5 - 1 = 4 . . . . . .true

(x, y) = (5, 1) is the solution to this system of equations. (Since it is a system of two independent linear equations in an equal number of unknowns, we know there is only one solution.)

Which of the sets shown includes the elements of set Z that are both odd numbers and multiples of 7?Z={-21, -14, -7.0, 7, 14, 21}
A {-21, 21)
B. {-21.-7. 7. 21)
C: {-14, 0.14)
D. {-21, -14, -7)

Answers

Answer:

B. {-21.-7. 7. 21)

Step-by-step explanation:

The set made up of odd numbers and multiples of 7 is given as;

       {-21.-7. 7. 21)

Multiples of 7 are usually those numbers where 7 is  factor.

Odd numbers are numbers that cannot be divide by 2.

 So, the most fitting answer is B.

How are parallelogram related to triangles and rectangles

Answers

Parallelograms are related to trailed because you can divide the parallelogram into triangles by adding diagonals lines in it.

They are related to rectangles because the parallelogram is just tilted a little

Keiko spent a total of $60
at the grocery store. Of this amount, she spent
$27
on fruit. What percentage of the total did she spend on fruit?

Answers

she spent 27 out of 60
27/60 = 0.45...multiply by 100 to get the percent 0.45(100) = 45%

The formula for density is given by p=m/v where p is density, M is mass and V is volume. If a substance has a mass of 27.82 grams and a volume of 3.6 ml, what is the most accurate density of the substance in g/ml7.7
7.7278
7.73
0.1

Answers

p = [27.82] ÷ [3.6] 
p = 7.727·
p = 7.728 (3dp) 

The answer is B)

Answer:

Option 2nd is correct

p = 7.7278 g/ml

Step-by-step explanation:

Formula for the density is given by:

p = (m)/(v)          .....[1]

where,

p is the density

m is the mass

v is the volume

As per the statement:

If a substance has a mass of 27.82 grams and a volume of 3.6 ml

m = 27.82 g and v = 3.6 ml

Substitute in [1] we get;

p = (27.82)/(3.6) = 7.72777778 g/ml

Therefore, the most accurate  density of the substance in g/ml is, 7.7278