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OverLord2011 [107]
2 years ago
12

Can you please help me with this?

Mathematics
1 answer:
crimeas [40]2 years ago
4 0
The answer to your question is Y=0
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Answer:

Step-by-step explanation:

0.1025 is the answer to your question

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110 or something really close to that number

Step-by-step explanation:

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Please help i need to finish it by todayyy​
dem82 [27]
A is proportional because it starts at 0 whereas B isn’t bc it doesn’t start at 0
8 0
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What is the value of x (distance from the edge of the screen to the end of the wall) if the area of the screen is 40 m^2?
erica [24]

The value of x that is the length from the edge of the screen to the end of the wall is equal 3. This is derived from an equation which serves as a function of the Area. See the solution below.

<h3>

What is the calculation for the solution above?
</h3>

Recall that the area of the entire wall is 40m².

(10-2x) (16- 2x) = 40

Expanding the brackets, we have

160-20x-32x + 4x² = 40
4x² - 52x + 120 = 0
x² - 13x +30 = 0

Using the quadratic equation

x = (-b±√b²-4ac)/2a

Where a = 1
b  = 13
c = 30

x = (13 ± 7)/2

Thus x = 10; or x = 3.

x cannot be the answer because it invalidates 16-x<0;

Hence, the correct answer is x = 3

Learn more about Areas at:
#SPJ1

7 0
2 years ago
.
marusya05 [52]

Answer:

i)

Find the attached

ii)

The mathematical model that best fits the data is;

The quadratic model

Step-by-step explanation:

i)

A scatter-plot can easily be constructed using applications such as Ms. Excel.

In Ms. Excel, enter the data into any two adjacent columns. Next, highlight the data, then click the insert ribbon and select the scatter-plot option.

Excel returns a scatter-plot chart as shown in the attachment below.

ii)

After obtaining the scatter-plot, we shall need to add a trend line in order to determine the mathematical model that best fits the data given.

Click anywhere inside the chart, then select the design tab under chart tools. Click on the Add Chart element in the upper left corner of the excel workbook and select more trend-line options. This feature will enable us to fit any trend-line to our data.

Select any trend line option ensuring you check the boxes; Display Equation on chart and Display R-squared value on chart.

Find the attached for the various trend-lines fitted.

The mathematical model that best fits the data is;

The quadratic model

Since it has the largest R-squared value of 1.00

4 0
3 years ago
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