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iVinArrow [24]
3 years ago
11

Is y=2x+3 a proportional relationship?​

Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
5 0

Answer:

no

Step-by-step explanation:

2x plus 3 is not proportional to y on a graph

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If an article costs a store $17.45 and if it sells the article for $22.95, what percentage markup is it using?
Hoochie [10]
1.) Sales Price - Original Cost / Sales Price * 100 = Percentage Markup
2.) Now substitute the values:
     Sales Price - Original Cost / Sales Price * 100 = Percentage Markup
                             $22.95 - $17.45 / $22.95 * 100 = Percentage Markup
                                                 $5.5 / 22.95 * 100 = Percentage Markup
.                                                          .2397 * 100 = 23.97%                        
3.) Therefore, the store uses 23.97% as Percentage Markup
5 0
3 years ago
Please help me with this
TiliK225 [7]
The answer is c sorry if I am not correct
8 0
3 years ago
What is the answer of 81g^2 - 36f^2 ?????
sveticcg [70]

Answer:

(9g - 6f)(9g + 6f)

Step-by-step explanation:

81g^2 - 36f^2 =

(9g)² - (6f)² =

(9g - 6f)(9g + 6f)

3 0
3 years ago
Which of the following is a polynomial with roots 3,5i, and -5i​
Strike441 [17]

Answer:

f(x)=x^3-3x^2+25x-75

Step-by-step explanation:

Solve for x:

x^3 - 3 x^2 + 25 x - 75 = 0

The left hand side factors into a product with two terms:

(x - 3) (x^2 + 25) = 0

Split into two equations:

x - 3 = 0 or x^2 + 25 = 0

Add 3 to both sides:

x = 3 or x^2 + 25 = 0

Subtract 25 from both sides:

x = 3 or x^2 = -25

Take the square root of both sides:

Answer:  x = 3 or x = 5 i or x = -5 i

3 0
3 years ago
Original price: $26<br> Sales tax: 3%
zubka84 [21]

Answer:

$25.22

Step-by-step explanation:

26 x .03= 0.78

26-0.78= $25.22

i hope this helps :)

8 0
3 years ago
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