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Sedbober [7]
2 years ago
8

A researcher is studying the relationship between the number of TVs owned by a family and the size of the family's electric bill

. After collecting data, he finds that the relationship is best modeled by the equation B = 2.43T + 95.66, where B is one month's electric bill in dollars and T is the number of TVs owned by the family. Which of these is a good interpretation of the y-intercept of this model?
Mathematics
2 answers:
zheka24 [161]2 years ago
5 0

Answer:

Step-by-step explanation:

No choice is given but here is the general interpretation.

Y-intercept is where the plot crosses the y-axia at x=0. In this case, x is T which represents number of TVs owned by the family. T=0 meaning there is no TV and B = 96.66 is the one month's electric bill in dollars for all other appliances in the home.

pashok25 [27]2 years ago
4 0

Given function

  • B=2.43T+95.66

Now

Compare to slope intercept form y=mx+b

  • Slope=m=2.43
  • Y intercept=b=95.66

Here y intercept may be the fixed charge .

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What is the value of f(-1)?
NISA [10]

Answer:

What is the whole function?

Step-by-step explanation:

8 0
3 years ago
James fenced in his backyard. The perimeter of his fence is 20 feet, and the width of his yard is 2 feet wide. Use the perimeter
algol [13]
Plug in what we know
P = 20 feet, W = 2 feet
20 = 2L + 2(2)
20 = 2L + 4
16 = 2L, L = 8 feet
Convert feet to inches
1 foot = 12 inches
12 * 8 = 96 inches

Solution: 96 inches
4 0
2 years ago
Hagrid paid 18.20, including tip, for a meal that costs 14$. what percentage tip did he give
Anuta_ua [19.1K]

Answer:

The tip was 30% percent

Step-by-step explanation:

All you have to do is the following, total price difference/ original price. 4.20/14 is 0.3, so 30 percent.

6 0
2 years ago
Todd says that he can make 10 if he adds 32 coins to 28 coins. Is he correct? Explain how you know using words.
Andreas93 [3]
He was wrong, you cannot make 10 coins by adding 32 coins to 28 coins. If you want to obtain 10 coins from 32 coins and 28 coins, you can subtract 28 coins from 32 coins.
This can be illustrated as follows:
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5 0
3 years ago
The descriptive statistics are shown.
Cloud [144]

The median is always at the center of the box, we can say the median of our question is also at the middle of the box.

<h3>What is a graph?</h3>

A graph is the representation of the data on the vertical and horizontal coordinates so we can see the trend of the data.

The description of the measures given has been done below and also what they indicate about the shape of the box and whisker plot have been given.

From the given data we see that;

Mean = 39,500

Median = 20000

Mode = 23000

Minimum = 15,000

Maximum = 255000

A general view of a box and whisker plot has been attached.

From the attached file, we can see the following;

- whiskers to the left and right of the box.

- The box starts from the lower quartile and stops at the upper quartile.

- The median is at the middle of the box

- The minimum is at the end of the left whisker

- The maximum is at the end of the right whisker.

1) Now, since median is always at the center of the box, we can say the median of our question is also at the middle of the box.

2) The median is 20000 but the minimum which is the end of the left whisker is 15000 while the maximum which is the end of the right whisker is 255000. This means the minimum is very close to the median and as such the left whisker would be very short. In contrast, the right whisker will be very long since the maximum is far larger than the median.

3) Since the right whisker is far larger than the left whisker, then we can say the shape of the box and whisker plot is heavily skewed to the right.

To know more about graphs follow

brainly.com/question/25020119

#SPJ1

5 0
2 years ago
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