The scatter plot shows the number of absences in a week for classes of different sizes. Trevor concluded that there is a positive correlation between class size and the number of absences.
image
Which of the following statements BEST describes why Trevor’s conclusion was incorrect?
A.
The data shows a negative relationship between class size and number of absences.
B.
The data shows no relationship between class size and the number of absences.
C.
The largest class does not have the most absences.
D.
The smallest class does not have the least number of absences.
Answers
The statement which BEST describes why Trevor’s conclusion was incorrect is B. The data shows no relationship between class size and the number of absences.
What is Scatterplots?Scatterplots are the plotting of set of points on a vertical axis and an horizontal axis. The shows the correlation extent between the numbers of the observed quantities.
Given a scatterplot which shows the number of absences in a week for classes of different sizes.
From the scatterplot, we can see that,
For a class size of 15, there are 2 kind of absences, 2 and 10.
For class size of 20, there is a positive correlation.
Then again it increases and decreases for various sizes.
So there is no relationship in particular with the 2 variables.
Hence the correct option is B.
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Answer:
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Step-by-step explanation:
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Answer:
30
Step-by-step explanation:
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Be sure to consider the order of operations!!
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Answer:
[tex]5 + 4( - 20) \\ 5 + ( - 80) \\ 5 - 80 \\ = - 75[/tex]
I hope I helped you^_^
Answer:
5+4(-20)
Step-by-step explanation:
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a man gets a job with a salary of $30,500 a year. he promised a $2,300 raise each subsequent year.
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explaination:
he makes $30,500 per year for five years with a raise of $2,300 every year
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Terry took that SAT and scored a 1410 when his math score, m, was combined with his verbal score, v. His verbal score was 190 points less than his math score. What was his verbal score?
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Answer:
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Which answer is an equation in point-slope form for the given point and slope?
Point: (5, 9); Slope: 2
y-5= 2 (2 +9)
y-9=2(x+5)
y+9= 2(2-5)
y-9=2(x – 5)
Answers
Answer: y-9=2(x-5)
Step-by-step explanation: The point (5,9) satisfies the equation:
y-9=2(x-5) for (5,9)?
9-9=2(5-5) ?
0 = 0 YES
Slope of 2? Rewrite:
y-9=2(x-5)
y = 2(x-5)+9
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Answer:
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Step-by-step explanation:
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why is math so hard like 23/24 × 34/56 in simplest form I just whish math was never a thing
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Hey there! :)
[tex]\frac{23}{24} *\frac{34}{56}[/tex]
Let's reduce our fraction:
We can divide 24 and 34 by 2:
[tex]\frac{23}{12} *\frac{17}{56}[/tex]
Now it's a little easier. All we have to do is multiply 23 times 17 and 12 times 56.
[tex]\frac{391}{672}[/tex]
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b 48
c 16
d 42
Answers
Answer:
it is C 16
Step-by-step explanation:
x² - kx + 64
Since we are looking for a perfect square, then we need to take the square root of 64 to find the factors: √64 = 8
So, the factors are: (x - 8)(x - 8)
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Answer:
[tex]( - 5x - 7)(3 {x}^{2} - 4x - 5) \\ \\ - 15 {x}^{3} + 20 {x}^{2} + 25x - 21 {x}^{2} + 28x + 35 \\ \\ - 15 {x}^{3} + 20 {x}^{2} - 21 {x}^{2} + 25x + 28x + 35 \\ \\ = - 15 {x}^{3} - {x}^{2} + 53x + 35[/tex]
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+ 15 + 15
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Hope this helped
Answer:
c = 15
Step-by-step explanation:
(7c - 7) + (6c - 8) = 180
Simplify
13c -15 = 180
13c = 195
c = 15
Write this polynomial in descending order. Enter exponents using the caret
(). For example, enter x2 as x^2.
-7 + 8x2 - 4x
Answers
Answer: 8x^2 -4x -7
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so it would be 8x^2 -4x -7
The polynomial -7 + 8x² - 4x written in descending order is 8x² - 4x - 7.
To write the polynomial -7 + 8x² - 4x in descending order, we arrange the terms from highest degree to lowest degree.
Here's how to do it step by step:
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The term -7 has a degree of 0 (since it is a constant).
The term 8x² has a degree of 2 (since it has a variable raised to the power of 2).
The term -4x has a degree of 1 (since it has a variable raised to the power of 1).
Step 2: Arrange the terms in descending order based on their degrees:
Start with the term with the highest degree and proceed in decreasing order. In this case, we have only three terms, so we start with the highest degree term:
8x² (degree 2)
Next, we consider the next highest degree term:
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Finally, we have the constant term:
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Step 3: Write the polynomial in descending order:
Putting the terms together in descending order, we have:
8x² - 4x - 7
So, the polynomial -7 + 8x² - 4x written in descending order is 8x² - 4x - 7.
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Answer:
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Step-by-step explanation:
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Step-by-step explanation:
values of x and y are all greater than or equal to 3
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o y=-2/3x+ 1
O y=-2/3x+3
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Answers
We have to find b
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[tex]\\ \sf\longmapsto b=-3[/tex]
Now put in equation
[tex]\\ \sf\longmapsto y=\dfrac{-2}{3}x-3[/tex]
Option D
Solve for x.
х= 2
х = 5
х = 4
х= 10
Answers
Answer:
x=5
Step-by-step explanation:
Intersecting Chords Formula:
(segment piece) x (segment piece) = (segment piece) x (segment piece)
4*x = 10*2
4x = 20
Divide by 4
4x/4 = 20/4
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Answers
Answer:
-47
Step-by-step explanation:
-8(5)+-7
= -40 -7 (+ gets elimanated by the -)
= -47
solve for x
5=7+x
x=
Answers
Step-by-step:
5-x = 7
-x = 7-5
-x = 2
So x = -2
Hope this help~
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Step-by-step explanation:
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Answers
Step-by-step explanation:
(1.6 x 10^*5)(6.7 x 10^*18)
=10.72 × 10²³
=1.072×10²⁴
Hello there!
(1.6x10^5)(6.7x10^18)
1.072x10^24
Hope this helps you! :)
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