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krek1111 [17]
3 years ago
14

I didn't understand PART C PLEASEEE HELP

Mathematics
1 answer:
Marianna [84]3 years ago
5 0
One thirtieth of an hour more because he spent twenty four thirtieths of an hour on monday and twenty five thirtieths of an hour on tuesday
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I’m unsure of what this is. help someone
JulsSmile [24]
<h2>Part 1)</h2>

Let's analyze each part of the function:

FROM x = 0 TO x = 5:

We can find the equation of this line by using The Slope-Intercept Form of the Equation of a Line, that states:

The \ graph \ of \ the \ equation: \\ \\ y=mx+b \\ \\ is \ a \ line \ whose \ slope \ is \ m \ and \ whose \ y-intercept \ is \ (0, b)

So the y-intercept here is (0,4) and m=\frac{4}{5}, therefore:

\boxed{y=\frac{4}{5}x+4}

FROM x = 0 TO x = 5:

From the previous line, we know that at x=5 the output is:

y=\frac{4}{5}x+4 \\ \\ y=\frac{4}{5}(5)+4 \\ \\ y=4+4=8

So the point P_{1}(5,8) lies on both lines.

For this new line, the slope is m=-\frac{3}{5}

So, with the Point-Slope Form of the Equation of a Line we can find the equation of this other line:

The \ equation \ of \ the \ line \ with \ slope \ m \\ passing \ through \ the \ point \ (x_{1},y_{1}) \ is:\\ \\ y-y_{1}=m(x-x_{1})

So:

y-8=-\frac{3}{5}(x-5) \\ \\ y=8-\frac{3}{5}x+3 \\ \\ \boxed{y=-\frac{3}{5}x+11}

The graph is shown below.

<h2>Part 2)</h2>

The graph of the linear function f(x)=ax+b is a line with slope m=a and y-intercept at (0,b). From the items, we can assure that the following equations are linear functions:

\bullet 3y=2x-1.5 \ because \ y=\frac{2}{3}x-\frac{1}{2} \\ \\ \\ \bullet y=1 \ because \ y=m(0)+1 \\ \\ \\ \bullet 5(x+y)=-25 \ because \ 5x+5y=-25 \ \therefore 5y=-5x-25 \therefore y=-x-5

In conclusion, the other functions are nonlinear and they are:

\bullet \ y=x^2+3 \\ \\ \bullet \ y=x^3 \\ \\ \bullet \ y=12-x^2

7 0
3 years ago
What is the slope of the line represented by the following equation y=—4x—5
LuckyWell [14K]

Answer:

8/-2

Step-by-step explanation:

6 0
3 years ago
Which values are equivalent to the fraction below? Check all that apply
vodka [1.7K]

Answer:

A,B,E

Step-by-step explanation:

3^{5} /3^{8}=3^{5-8}=3^{-3}=1/27=(1/3)^{3}

4 0
3 years ago
Let A be an nxn matrix. Determine whether the statement below is true or false. Justify the answer. The determinant of a triangu
Triss [41]
I feel like it’s a because Once you are able to recognize the mathematical pattern of the basic sentence, it is time to move up to the next linguistic equation: the paragraph. I recently opened a new writing class by asking students how many sentences comprise a paragraph. The answers came with as much confidence as they were varied: 3 to 5, 4 to 6, 6 to 8. Students looked at one another with surprise as they waited for me to validate the answer they were taught, but the truth is simple. An effective paragraph must have at least 2 sentences: (1) an effective topic sentence that states the purpose of the paragraph, and (2) clear and specific evidence to support that purpose. The choice between a single sentence providing evidence or multiple sentences providing evidence depends entirely on the writer’s purpose and audience. When we complicate the simple math with preferences like 4, 6, or 8, we muddle the simplicity of basic linguistic structure. Equation #2: a topic sentence + evidence = a paragraph. confidence as they were varied: 3 to 5, 4 to 6, 6 to 8. Students looked at one another with surprise as they waited for me to validate the answer they were taught, but the truth is simple. An effective paragraph must have at least 2 sentences: (1) an effective topic sentence that states the purpose of the paragraph, and (2) clear and specific evidence to support that purpose. The choice between a single sentence providing evidence or multiple sentences providing evidence depends entirely on the writer’s purpose and audience. When we complicate the simple math with preferences like 4, 6, or 8, we muddle the simplicity of basic linguistic structure. Equation #2: a topic sentence + evidence = a paragraph.
7 0
3 years ago
The graph shows an image of a dilation about the origin with a scale factor of One-half.
kicyunya [14]
It would be -8,-12 since we get a prime by dividing by 1/2.
4 0
4 years ago
Read 2 more answers
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