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Marina CMI [18]
3 years ago
14

While shopping with your friend, Rory, you remember you have a coupon for 10% off any item. The thing you want is $100 and it is

on sale for 15% off. Rory tells you that if you use your coupon, you will get 25% off the original price. Is Rory correct? How much will the item cost you after getting both discounts?
Mathematics
1 answer:
Fofino [41]3 years ago
8 0

Answer:

it is b i did it on eg 2020

Step-by-step explanation:

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Solve for x: |3x|=12
Dennis_Churaev [7]

Answer:

x = 4; x = -4

Step-by-step explanation:

|3x| = 12

3x = 12

3x/3 = 12/3

x = 4

3x = -12

3x/3 = -12/3

x = -4

3 0
3 years ago
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Someone please help me with my homework
spin [16.1K]
Answer: 
20700 feet per hour

Explanation: 
Convert 345 feet per minute to 345 feet per hour. 
First find how many minutes are in an hour:
60 minutes = 1 hour. 
1 minute • 60 = 1 hour
345 feet • 60 = 20700 feet per hour.
3 0
3 years ago
Helppp please im confused a bit
fredd [130]

So for this one, all you have to do is plot the points it's giving you :)

Then you connect the lines and you get a shape from A-b-c-d

4 0
3 years ago
The Report of the Presidential Commission on the Space Shuttle Challenger Accident in 1986 shows a plot of the calculated joint
laiz [17]

Answer:

NO, as per study, I cant see any other problem than the sample size in the procedure.

From the graph there is a slight quadratic relationship between temperature and number of O-rings.

As in the graph, we can see that above 50°F but below 55°F number of O-rings in 3 but after 55°F as temperature goes on increasing the number of O-rings decreases and remains constant up to 70°F and above 70°F the number of O-rings increases to 2. Hence, we can say that there is a relationship between temperature and number of O-rings.

If we want to fit a linear regression through these seven observations, the slope would be positive as linear regression line passes through the average.

Looking at the relationship, slope must be significantly different from zero as there is a relationship between two variables, where as slope significantly zero implies no relationship. However, we have only seven points so drawing a conclusion is difficult as the nature of the relationship is not clearly visualized by this graph.

8 0
3 years ago
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Write an equation that is 10 less than 3 times a number y, multiplied by 2 and divided by 4. (10 less than 3 times a number y is
IgorC [24]

Answer: (3y - 10)*2÷4

Step-by-step explanation:

Because 10 less than 3 times a number, y, is done first, it is in parenthesis.  The 3 is there to represent the "three times" and the -10 is there to represent the "ten less".  The *2 is there to represent the "multiplied by two" and the ÷4 is there to represent the "divided by 4"

Hope it helps, and tyvm <3

8 0
3 years ago
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