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Anni [7]
3 years ago
10

50 POINTS! a shirt that normally costs $30 id on sale for $21.75. What percent of the regular price is the sale price

Mathematics
1 answer:
77julia77 [94]3 years ago
7 0

Answer:

72.5%

Step-by-step explanation:

The fraction is $21.75/$30 = 0.725.

To make this a percentage, multiply by 100%:

... 0.725 × 100% = 72.5%

_____

We assume the question is correct as written: "<u>of</u> the regular price." The answer is the complement of this, 27.5%, if the wording is supposed to be "<u>off</u> the regular price."

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What is the vertex of the graph of the function below? y=x^2+6x+5
Maksim231197 [3]

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Use the formula: -b/2a

a = 1

b = 6

- 6 / 2

= -3

The x-coordinate of the vertex is -3

Plug the x value back into the original equation to find the y-coordinate of the vertex


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8 0
3 years ago
If the slope is 2 and the y-intercept is 6, then the linear equation is 2y = 6x.<br> False<br> True
vladimir2022 [97]

Answer:

False

General Formulas and Concepts:

<u>Algebra I</u>

Slope-Intercept Form: y = mx + b

  • m - slope
  • b - y-intercept

Step-by-step explanation:

<u>Step 1: Define</u>

Slope <em>m</em> = 2

y-intercept <em>b</em> = 6

<u>Step 2: Write Function</u>

<em>Substitute into general form.</em>

y = 2x + 6

<u>Step 3: Compare</u>

2y = 6x does not equal y = 2x + 6

7 0
3 years ago
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