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Semmy [17]
3 years ago
6

The price of a video game was reduced from $65.00 to $45.00

Mathematics
1 answer:
77julia77 [94]3 years ago
3 0
First, find the difference between the original price and the reduced price;

65 - 45 = $20 difference

Then, divide the difference by the original amount;

20/65 ≈ 0.3077

Then, multiply this by 100 to convert the decimal into a percentage;

0.3077 * 100 = 30.77%

The percent of change would be about 30.77%
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Cameron went into a grocery store and bought 4 apples and 7 mangos, costing a total of $17.75. Gavin went into the same grocery
Mekhanik [1.2K]

Answer:

  • apple: $2.25
  • mango: $1.25

Step-by-step explanation:

Let "a" and "m" represent the cost of an apple and a mango, respectively. Then Cameron's purchase can be represented as ...

  4a +7m = 17.75

Gavin's purchase can be represented as ...

  2a +5m = 10.75

Subtracting the first equation from twice the second gives ...

  2(2a +5m) -(4a +7m) = 2(10.75) -(17.75)

  3m = 3.75

  m = 1.25

Then the price of an apple can be found from the second equation:

  2a +5(1.25) = 10.75

  2a = 4.50 . . . . . . . . . . subtract 6.25

  a = 2.25 . . . . . . . . . . . divide by 2

The price of an apple was $2.25; the price of a mango was $1.25.

3 0
3 years ago
Factor the expression using distributive property: 72b + 45
ANTONII [103]
The answer would be 9(8b+5)
this is how you do it...
1. find the GCF of both numbers in this one the GCF would be 9 
now, what do you multiply 9 by to get 72... 8, so 8 would go into the parenthesis and because there is a variable there which is 'b' the 8 would become '8b' now what do you multiply 9 with to get 45? '5' so you would add 5 into the parenthesis and that would be your answer!

Hope this helped! :D
8 0
2 years ago
What are the zeros of f(x) = (x - 3)(x+ 8)? Select all that apply.
Lilit [14]
C and D are the answers
6 0
3 years ago
Sheesh i need help… first to get it right earns the brainliest !!
Olin [163]

Answer:

They are congruent, they are right angles

Step-by-step explanation:

Just in general, all vertical angles are congruent.

But in this situation, perpendicular lines will always create right angles.

4 0
2 years ago
What is this equation x2 – 2x – 6 in vertex form?
Lena [83]

Answer:

In vertex form, the parabola's equation is y=(x−1)^2 +5.

Step-by-step explanation:

7 0
3 years ago
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