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lukranit [14]
3 years ago
11

Hiro painted his room. After 333 hours of painting at a rate of 888 square meters per hour, he had 282828 square meters left to

paint.
Let yyy represent the area (in square meters) left to paint after xxx hours.
Which of the following information about the graph of the relationship is given?
Choose 1 answer:
Mathematics
2 answers:
lisov135 [29]3 years ago
8 0

Answer:

Slope and a point that is not an intercept

Step-by-step explanation:

To describe a point on the graph, we need a corresponding (x,y) pair.

In our case, these are corresponding values of hours of painting and area left to paint.

To describe the slope of the graph, we need information about the rate of change of the relationship.

In our case, this is the rate at which the area left to paint changes over time (in square meters per hour).

Hiro painted his room at a rate of 8 square meters per hour. This corresponds to a slope of -8.

After 3 hours of painting, Hiro had 28 square meters left to paint. This corresponds to the point (3, 28) and is not an intercept.

The slope and a point that is not an intercept are given.

Hope this helps:)

Vinvika [58]3 years ago
4 0

Answer:

y = 52 - 8x

Step-by-step explanation:

Add both axisis together, nd divide

Hope this helped, and please mark as Brainliest <3

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Listed below are head injury measurements from small cars that were tested in crashes. The measurements are in​ "hic," which is
Sholpan [36]

The question is incomplete! Complete question along with answer and step by step explanation is provided below.

Question:

Listed below are head injury measurements from small cars that were tested in crashes. The measurements are in​ "hic," which is a measurement of a standard​ "head injury​ criterion," (lower ​ "hic" values correspond to safer​ cars). The listed values correspond to cars​ A, B,​ C, D,​ E, F, and​ G, respectively.

514 541 302 400 507 406 369

Find the

a.​ mean,

b.​ median,

c.​ midrange,

d. mode for the data.

Also complete parts e. and f.

e. Which car appears to be the safest?

f. Based on these limited results, do small cars appear to have about the same risk of head injury in a crash?

Answer:

a) Mean = 434.14

b) Median = 406

c) Midrange = 421.5

d) Mode = 0

e) Car C appears to be the safest

f) The small cars does not appear to have about the same risk of head injury in a crash.

Step-by-step explanation:

We are given the head injury measurements from small cars that were tested in crashes.

The measurements are in​ "hic," which is a measurement of a standard​ "head injury​ criterion.

The listed values are;

A = 514

B = 541

​C = 302

D = 400

​E = 507

F = 406

G = 369

a)​ Mean

The mean of the measurements is given by

Mean = Sum of measurements/ Number of measurements

Mean = (514 + 541 + 302 + 400 + 507 + 406 + 369)/7

Mean = 3039/7

Mean = 434.14

b)​ Median

Arrange the measurements in ascending order (low to high)

302, 369, 400, 406, 507, 514, 541

The median is given by

Median = (n + 1)/2

Median = (7 + 1)/2

Median = 8/2

Median = 4th

Therefore, the 4th measurement is the median that is 406

Median = 406

c)​ Mid-range

The midrange is given by

Midrange = (Max + Min)/2

The maximum measurement in the data set is 541

The minimum measurement in the data set is 302

Midrange = (541 + 302)/2

Midrange = 843/2

Midrange = 421.5

d)​ Mode for the data

The mode of the data set is the most repeated measurement.

302, 369, 400, 406, 507, 514, 541

In the given data set we don't have any repeated measurement therefore, there is no mode or we can say the mode of this data set is 0.

Mode = 0

e) Which car appears to be the safest?

Since we are given that the measurements are in​ "hic," which is a measurement of a standard​ "head injury​ criterion," (lower ​ "hic" values correspond to safer​ cars)

The lowest hic value corresponds to car C that is 302

Therefore, car C appears to be the safest among other cars.

f) Based on these limited results, do small cars appear to have about the same risk of head injury in a crash?

302, 369, 400, 406, 507, 514, 541

As you can notice, the hic values differ a lot from each other therefore, we can conclude that the small cars does not appear to have about the same risk of head injury in a crash.

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Answer:

See below:

Step-by-step explanation:

Hello! I hope you are having a nice day.

We can solve this equation in a single step, we just need a bit of theory and a graph.

We can first see that its in y=mx+b form. Which is also known as Slope-Intercept form.

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