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3 years ago

A store advertises 15% off an ítem that regularly sells for $300. What is the sale price of the item?

Mathematics

1 answer:

fomenos3 years ago

8 0

Answer:

$255

Step-by-step explanation:

To find amount that is subtracted off of the original price, you would need to multiply 300 by 15% as a decimal

The decimal form of 15% is 0.15, meaning that you would have to multiply 300 and 0.15

Once you do this, you will get 45

To find the sale price, you need to subtract the amount that is discounted, 45, from 300

Once you do this, you will get 255

This means that the sale price of the item is $255

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3 years ago

Please explain how to find the proportional relationship.

zvonat [6]

Answer:

The table A represent a proportional relationship

The table B not represent a proportional relationship

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $k=\frac{y}{x}$ or $y=kx$

In a proportional relationship the constant of proportionality k is equal to the slope m of the line and the line passes through the origin

Verify each table

Table A

Find the value of k

For x=1,y=2 ------> $k=\frac{2}{1}=2$

For x=3,y=6 ------> $k=\frac{6}{3}=2$

For x=4,y=8 ------> $k=\frac{8}{4}=2$

For x=5,y=10 ------> $k=\frac{10}{5}=2$

All the values of k are the same

The table A represent a proportional relationship

The equation of the proportional relationship is equal to

$y=2x$

Table B

Find the value of k

For x=1,y=3 ------> $k=\frac{3}{1}=3$

For x=2,y=4 ------> $k=\frac{4}{2}=2$

The values of k are different

The table B not represent a proportional relationship

7 0

3 years ago

NEED ASAP!!!

dsp73

Answer:

30%

Step-by-step explanation:

15+10+25=50

50x2=100

15x2=30

30/100=30%

5 0

3 years ago

What is 0.506 rounded to the nearest thousandth

olchik [2.2K]

The answer will 0.51 because 0.506 you have to round 6. So you have to make the zero a 1. So the answer is 0.51

4 0

3 years ago

If somebody's good at slope intercept forms i'd love your help on these questions

QveST [7]

Answer:

the answer would be A

Step-by-step explanation:The reason i belive its A is because once 1/4 is simplified to its lowest form it would be -4x which you would then subtract by 7 to get your answer

5 0

3 years ago

Read 2 more answers