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Andru [333]
3 years ago
14

2. A shirt that normally costs $30 is on sale for

Mathematics
1 answer:
exis [7]3 years ago
7 0

Answer:27.5%

Step-by-step explanation:

To calculate the percentage discount between two prices, follow these steps:

  1. Subtract the post-discount price from the pre-discount price.
  2. Divide this new number by the pre-discount price.
  3. Multiply the resultant number by 100.
  4. Be proud of your mathematical abilities.
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What are the points when you graph y = -7x -1
olganol [36]

Answer: I believe you mean x and y intercepts? They are (0, -1) and (-1/7, 0)

Step-by-step explanation:

Plug in 0 for x and y (one at a time) for each intercept. eg The x intercept is at y=0 and the y intercept is at x=0.

6 0
3 years ago
Tom and David get their haircut at the barber shop on Saturdays.Tom gets his hair cut every 3 weeks. David gets his hair cut eve
MrMuchimi

Answer:

On Saturday, when 12 weeks passed

Step-by-step explanation:

Tom gets his hair cut every 3 weeks.

David gets his hair cut every 4 weeks.

Find the least common multiple of numbers 3 and 4:

3=3\\ \\4=2\cdot 2\\ \\LCM(3,4)=3\cdot 2\cdot 2=12

This means that Tom and David will get their hair cut on the same day at 12th week (if the first week when they started has number 0).

You can think in another way:

Tom gets his hair cut every 3 weeks. He got his hair cut after 3 weeks, after 6 weeks, after 9 weeks, after 12 weeks passed.

David gets his hair cut every 4 weeks. He got his hair cut after 4 weeks, after 8 weeks, after 12 weeks passed.

6 0
3 years ago
2x + 7 + (3 - y) = -4 + 6i
Pavlova-9 [17]

Answer:

2.50 is the answer i hope its right i doubled checked it with my algebra teacher

5 0
3 years ago
Need help, please<br> Find EF
KonstantinChe [14]

Answer:

sorry

Step-by-step explanation:

8 0
2 years ago
Here is a table of values for y = f(x).
DanielleElmas [232]

the complete question in the attached figure

statements

case A) f(15)=8-----> is correct

for x=15

f(x)=8

case B) the domain of f(x) is the set {5,6,7,8,10,11,12,13}--> is not correct

because the domain of f(x) is the set {0,5,10,15,20,25,30,35,40}

case C) f(5)=6-----> is  correct

for x=5

f(x)=6

case D) the range for f(x) is all real numbers----> is not correct

because

the range of f(x) is the set {5,6,7,8,9,10,11,12,13}

the answer is

A and C

7 0
3 years ago
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