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Flura [38]
3 years ago
7

I went to the mall to buy four shirts that cost $6.00 dollars each. If you buy three shirts and get the other one 20% off. How m

uch would the fourth shirt cost.
Mathematics
1 answer:
Mice21 [21]3 years ago
5 0
I think it would be It would be 4.80
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Algebra applications: find the value of x and y​
Inga [223]

Answer : The value of x and y is 8 and 10 respectively.

Step-by-step explanation :

As we known that if two parallel lines are cut by a transversal line then consecutive interior angles are supplementary.

From the given figure we conclude that:

5x-y+150=180       ...........(1)

5x-y=180-150

5x-y=30      ............(2)

5x+y+130=180       ...........(3)

5x+y=180-130

5x+y=50        ...........(4)

Now we adding equation 2 and 4, we get the value of x.

5x-y+5x+y=30+50

10x=80

x=8

Now we are putting the value of x in 4, we get the value of y.

5x+y=50

5(8)+y=50

y=50-40

y=10

Therefore, the value of x and y is 8 and 10 respectively.

3 0
3 years ago
Which of the following expressions is correctly written in scientific notation
katrin [286]

Answer:

it is the 3 one

Step-by-step explanation:

7 0
2 years ago
Carol has to buy shirts for her entire family. There are 27 members in Carol's family. She pays $425 for all of the shirts. How
Fittoniya [83]

Answer:

She pays $15.74

Step-by-step explanation:

Divide 425 by 27

5 0
3 years ago
Picture says all 20 charecters needed
Alika [10]

Answers:

Lower bound = 41.3

Upper bound = 41.5

===========================================================

Explanation:

49.15 is the smallest f can be while 49.24 is the largest it can be. Well technically we could have something like 49.2499 or 49.24999 and so on. We slowly approach 49.25 but never actually get there

So the variable f is between 49.15 and 49.25 inclusive of the first value but excluding the second value. We can write it as 49.15 \le f < 49.25

For similar reasoning, 7.75 \le g < 7.85

-----------------

If we wanted to subtract those variables and get the smallest result possible, then we need to pick values that are closest together. It might help to set up a number line.

This means we'd go for f = 49.15 and g = 7.85

The lower bound for f-g is f-g = 49.15-7.85 = 41.3

In contrast, the upper bound is when the two variables are spaced as far apart as possible. The upper bound is f-g = 49.25 - 7.75 = 41.5

7 0
2 years ago
Read 2 more answers
What is the adventure of buying a magnetic bulletin board?
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3 years ago
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