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Eduardwww [97]
3 years ago
11

Please Help! Solve this system of equations { 1/2x+6y+2 y=x+15

Mathematics
1 answer:
REY [17]3 years ago
4 0

I dont know of you wanted the graph too so here

everything is in the pictures here, also sorry if I am wrong

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Constance wants to purchase an school jacket. She saw the same jacket at a few stores. Store A had the jacket for 15% off the or
soldi70 [24.7K]

Store A will be the better buy.

The price will be $53.70 after sales tax at store A.

Step-by-step explanation:

Price of Jacket at store A = $59.60

Discount = 15%

Discount Amount = \frac{15}{100}*59.60\\

Discount Amount = 0.15*59.60=\$8.94

Price after discount = Original price - Discount amount

Price after discount = 59.60 - 8.94 = $50.66

Price of Jacket at store B = $50.99

The price at store A becomes less than store B after discount, therefore, buying from store A is better.

Sales tax = 6%

Sales tax amount = \frac{6}{100}*50.66

Sales tax amount = 0.06*50.66=\$3.0396

Price after sales tax = Discount price at store A + Sales tax amount

Price after sales tax = 50.66 + 3.0396 = $53.6996

Rounding off to nearest hundredth;

Price after sales tax = $53.70

The price will be $53.70 after sales tax at store A.

Keywords: percentage, addition

Learn more about percentages at:

  • brainly.com/question/10557938
  • brainly.com/question/10600222

#LearnwithBrainly

8 0
3 years ago
Simplify: 2 (x+6) + 8x<br><br> when x = 3
IceJOKER [234]

Answer:42

Step-by-step explanation:

2(3+6)+(8)(3)

=(2)(9)+(8)(3)

=18+(8)(3)

=18+24

=42

leave a like if this helped please

8 0
3 years ago
Calculate the correct answer. <br>17x - 3 = 48​
Nadya [2.5K]

Answer: x = 3

Step-by-step explanation:

Simplifying

17x + -3 = 48

Reorder the terms:

-3 + 17x = 48

Solving

-3 + 17x = 48

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '3' to each side of the equation.

-3 + 3 + 17x = 48 + 3

Combine like terms: -3 + 3 = 0

0 + 17x = 48 + 3

17x = 48 + 3

Combine like terms: 48 + 3 = 51

17x = 51

Divide each side by '17'.

x = 3

Simplifying

x = 3

6 0
3 years ago
Is 63.90 greater than 63.990
djverab [1.8K]

Answer:

63.90 is greater than63.990

3 0
2 years ago
Read 2 more answers
Use the function to evaluate the indicated expressions and simplify.
Musya8 [376]

9514 1404 393

Answer:

  • f(x²) = x² +5
  • (f(x))² = x² +10x +25

Step-by-step explanation:

Put the argument in place of x and evaluate the desired expression.

__

1. f(x²) = x² + 5 . . . . . . straight substitution for x

__

2. (f(x))² = (x +5)²

  = (x +5)(x +5) = x(x +5) +5(x +5) = x² +5x +5x +25

  (f(x))² = x² +10x +25

6 0
3 years ago
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