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ivann1987 [24]
3 years ago
13

Jennifer has 84 yards of fabric. She makes 6 identical curtains and has 18 yards of fabric left over. Which equaton and solution

shows the correct amount yards, y, she used per curtain?
Mathematics
1 answer:
kondor19780726 [428]3 years ago
8 0

Answer:

a) 6x + 18 = 84

b) 11 yards

Step-by-step explanation:

a) You have that Jennifer made 6 identical curtains. If you chose x as the number of yards of fabric used for one curtain, you have that the total number of yards in the 6 curtains o fabric is

6x

Furthermore, if you sum 18 yards to the 6x yards, the total amount of yards must be 84. Thus, you have the following equation:

6x+18=84

b) Next, you solve the equation for x:

6x+18=84\\\\6x=84-18\\\\6x=66\\\\x=\frac{66}{6}=11

Then, 11 yards were use to make each curtain.

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Study the pattern and predict the nth term <br><br> a) 2,5,10,17,.......<br> b)0,1,4,9,.....
Rasek [7]
A)  nth term is n^2 + 1

b) nth term is (n - 1)^2
8 0
3 years ago
a plumber charges $80 an hour for making house calls to do plumbingwork.He works between 2 to 6 hours a day.​What is the domain
Zanzabum

Answer:

The domain is (x :  2 < x < 6}

The range is {y : 160 < y < 480}

Step-by-step explanation:

Assume that y is the total charge for x hours

∵ He charges $80 an hour

∵ The number of hours is x

∴ y = 80 x

x is the domain and y is the range

∵ He works between 2 to 6 hours a day

- That means x is between 2 and 6

∴ 2 < x < 6

∵ x represents the domain

∴ The domain is {x : 2 < x < 6}

Lets find the value of y at x = 2 and x = 6 to find the range

∵ x = 2

∴ y = 80(2)

∴ y = 160

∵ x = 6

∴ y = 80(6)

∴ y = 480

- That means y is between 160 and 480

∴ 160 < y < 480

∵ y represents the range

∴ The range is {y : 160 < y < 480}

3 0
3 years ago
QUICK! Please help, will give brainliest
Lelechka [254]

The answer is D none of the above

7 0
3 years ago
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What is the sixth term of (a - b)7?
yanalaym [24]
21a to the second and b to the 5
7 0
3 years ago
In a survey, 15 high school students said they could drive and 15 said they could not. Out of 60 college students surveyed, 30 s
Citrus2011 [14]

Answer:

No.

Step-by-step explanation:

#1, the sample size is not indicative of a proper high school population, unless of all there is a small amount of students in the high school (or even only 30 students in it). On a individual basis, it can vary widely, and so data analysis such as this is not correct. The data size is skewed as well for the college, especially as college campuses typically house more students then usual. To only ask 60 college students also skew the data gotten. Another sample error may be locational error, in which the location of the schools may warrant the need for a driver license, or if it is not needed, as well as the distance of the student's house and/or where needed facilities are to accommodate a student's needs and desires.

If we were to set all these problems aside and focus more on the question, 15 high school students said they could drive, and 15 said they could not, which makes the sample size of 30 high school students in all. 15 say they can drive, therefore:

15/30 = 1/2, or there is a 50% chance of obtaining a student that can drive.

On the other hand, out of 60 college students surveyed, 30 said they can drive, therefore:

30/60 = 1/2, or there is a 50% chance of obtaining a student that can drive.

∴ Micah's prediction is incorrect in obtaining a college student that can drive more easily then obtaining one that can drive in a high school.

However, remember that too small of a data size can lead to a heavy skew, and it will not represent reality as well.

~

8 0
3 years ago
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