What is the equation y=2-3x in standard form

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Please explain your answer as well!

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Class A     Class B
1 2 3 4 5 6 7 8       4     1 2
      2 3 4 9       5     9
      1 1 4 8       6 2 4 9
       1   7 1 5 7 8 8
      2 5   8 0 3 4 4 6 6 7
   0   9 2 2 5

Mode and Mean for Class A
Mode: 61
Mean: 57.8

Range and Median for Class B
Range: 54
Median: 78

A line has a gradient of 4 and passes through the post (1,7). what is the equation?

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Answer:

The equation is y = 4x+3

Step-by-step explanation:

The slope intercept form of a line is

y = mx+b where m is the slope and b is the y intercept

y = 4x + b

Substitute the x and y value into the equation

7 = 4(1)+b

7 = 4+b

Subtract 4

7-4 =b

3=b

The equation is y = 4x+3

Answer:

y = 4x + 3

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = 4, thus

y = 4x + c ← is the partial equation

To find c substitute (1, 7) into the partial equation

7 = 4 + c ⇒ c = 7 - 4 = 3

y = 4x + 3 ← equation of line

P(x) x^3+x^2-x-1

Find all zeros of p (x)

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$x^3+x^2-x-1=0\nx^2(x+1)-1(x+1)=0\n(x^2-1)(x+1)=0\n(x-1)(x+1)(x+1)=0\n(x-1)(x+1)=0\nx=1 \vee x=-1$

Of a total of 100 buses operated within a particular town, 48 usually run on time and 36 of these buses are owned by Jerry. Of the 52 buses that usually run behind schedule, only 7 are owned by Jerry.

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The answer is .75 I hope this helps you.

Which is bigger: 0.3 or 1/3

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The bigger number is 1/3. That is, 1/3 is bigger than 0.3

To determine which is bigger between 0.3 and 1/3.

First, we will express 0.3 as a fraction

0.3 = 3/10 as a fraction

Now we are to determine which is bigger between $(3)/(10) \ and \ (1)/(3)$

By LCM method,

$(3)/(10) \ and \ (1)/(3)$ = $(9)/(30) \ and \ (10)/(30)$ respectively

Since, the corresponding numerator(10)of $(1)/(3)$ is greater than the corresponding numerator(9) of $(3)/(10)$ ,

∴ $(1)/(3)$ is bigger that $(3)/(10)$

Hence, 1/3 is bigger than 0.3

Learn more here: brainly.com/question/19272301

First, turn the fraction into a decimal to get a better look at the problem. To do that, divide the numerator (top half) by the denominator (bottom half). 1 divided by 3 = 0.33
0.33 is larger than 0.3. If it helps, add a 0 to 0.3 to get 0.30 and you'll see that 33 is in fact a larger number than 30. (Adding the zero does NOT change the number, it holds no place value it's just there for looks.)

A 2-column table has 4 rows. The first column is labeled x with entries 1, 2, 3, 4. The second column is labeled y with entries 4.5, 6.75, 10.125, 15.1875.What is the multiplicative rate of change of the exponential function represented in the table?

1.5
2.25
3.0
4.5

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The rate of change for the given function is 2.25. Therefore, option B is the correct answer.

What is rate of change of a function?

The rate of change, or the slope, is calculated as Δy/Δx , or (y2−y1)/(x2−x1). The slope-intercept equation of a line is y=mx+b , where m is the slope and b is the initial value.

From the given table, we have (1, 4.5), (2, 6.75), (3, 10.125) and (4, 15.1875).

Using coordinate points (1, 4.5) and (2, 6.75), we get

Rate of change = (6.75-4.5)/(2-1)

= 2.25

Therefore, option B is the correct answer.

Learn more about the rate of change here:

brainly.com/question/8223651.

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Answer:

its 3.0

Step-by-step explanation:

ik bc i took the test

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An epidemiologist is worried about the prevalence of the flu in East Vancouver and the potential shortage of vaccines for the area. She will need to provide a recommendation for how to allocate the vaccines appropriately across the city. She takes a simple random sample of 334 people living in East Vancouver and finds that 43 have recently had the flu. Suppose that the epidemiologist wants to re-estimate the population proportion and wishes for her 95% confidence interval to have a margin of error no larger than 0.03. How large a sample should she take to achieve this?

I don’t know this one