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xenn [34]
3 years ago
11

A 4-column table with 5 rows. The first column is labeled age (years) with entries 1, 2, 3, 4, 5. The second column is labeled g

iven value with entries 15, 12, 9, 5, 4. The third column is labeled predicted value with entries a, 11.9, c, 6.1, 3.2. The fourth column is labeled residual with entries 0.2, b, 0, d, 0.8. John estimates the value of his car over time. The equation for the line of best fit is approximated as y = –2.9x + 17.7, where y represents the value, in thousands of dollars. What values complete the residual table? a = b = c = d =
Mathematics
1 answer:
grandymaker [24]3 years ago
6 0

Answer:

A=14.8  B=0.1  C=9  D= -1.1

Step-by-step explanation:

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-4x + 3 (2x - 5) = 31<br><br> Please help &amp; explain how you got to the answer
denis23 [38]
-4x + 3(2x - 5) = 31          (use distributive property to remove parentheses)
-4x + 6x - 15 = 31            (combine like terms)
2x - 15 = 31                    (add 15 to both sides)
     +15    +15
2x = 46                          (divide both sides by 2)
x = 23
3 0
3 years ago
Use the sample data and confidence level given below to complete parts a through d.
Sholpan [36]

Answer:

Step-by-step explanation:

Given that a research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n=1096 and x=542 who said yes.

i.e. sample size = n=1096\\

who said yes =x=542\\

Sample proportion = p=\frac{542}{1096} =0.4945

Std error of proportion = \sqrt{\frac{p(1-p)}{n} } \\=\sqrt{\frac{0.4945(1-0.4945)}{1096} } \\=0.0151

Margin of error 95% = 1.96 (se)\\=0.0296

Hence confidence interval for proportions

=(0.4945-0.0296, 0.4945+0.0296)\\= (0.4649,0.5241)

a) Point estimate =0.4945

B) Margin of error = 0.0296

C) Conf interval = (0.4649,0.5241

D) We are 95% confident that for large random samples representing the population, the proportion of yes will lie between these two values.

4 0
3 years ago
A salad made such that the difference between twice the ounces of greens and the ounces of carrots is at least 3. Also, the sum
AysviL [449]

Answer:

The  graph of 3rd picture is correct Option.

Step-by-step explanation:

Let x =green and y = carrots

We make equations of the given sentences and then plot them to find the correct answer.

The equation for A salad made such that the difference between twice the ounces of greens and the ounces of carrots is at least 3 is

2x-y ≥ 3

The equation for the sum of the ounces of greens and twice the ounces of carrots is less than 4.

x+2y < 4

We plot both the equations and gain the graph.

The graph is attached in the figure.

The  graph of 3rd picture is correct Option.

7 0
4 years ago
(5v +37v2 - 80v - 69)/(v+9)
valina [46]

Answer:

-67-80v

Step-by-step explanation:

hope this helps!

3 0
3 years ago
Find a function f such that f''() = - 36x² + 302 – 14, f(0) = 9, f(1) = - 1.<br> f(x) =
hjlf

Answer:

−12x³+15x²-14x+9

After getting the integral, we replace the constant by 9

5 0
3 years ago
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