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Natasha2012 [34]
3 years ago
15

Given the data set for the height and shoe size of every student in a math class, hypothesize a relationship between the variabl

es. A. I would expect the data to be positively correlated. B. I would expect the data to be negatively correlated. C. I would expect no correlation. D. There is not enough information to determine correlation.
Mathematics
1 answer:
polet [3.4K]3 years ago
8 0

Answer: A) I would expect the data to be positively correlated


Step-by-step explanation: Taller people have been shown to have bigger feet.  It's how humans are engineered.  Your feet have to support your entire body while also providing balance.  Larger feet help taller people keep their balance because the pressure is distributed among a larger surface.  Sure some people may have smaller feet even though they're tall, but that doesn't mean a majority of tall people have small feet.  


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Determine the exact value of sin 240
iren2701 [21]

simplify : the exact value of sin 240

Explanation: sin(240)=sin(60+180)=-sin60

\begin{gathered} -sin60=-\frac{\sqrt{3}}{2} \\ =-0.87 \end{gathered}

Final answer: the required vaalue of the sin 240 is -0.87

7 0
11 months ago
Please help, only reply if you know answer
34kurt

Answer:

see explanation

Step-by-step explanation:

The translation represented by \left[\begin{array}{ccc}1\\4\\\end{array}\right]

interprets as a shift of 1 unit to the right ( add 1 to x- coordinate ) and a

shift of 4 units down ( subtract 4 from the y- coordinate ), then

(1, 4 ) → (1 + 1, 4 - 4 ) → (2, 0 )

(4, 4 ) → (4 + 1, 4 - 4 ) → (5, 0 )

(6, 2 ) → (6 + 1, 2 - 4 ) → (7, - 2 )

(1, 2 ) → (1 + 1, 2 - 4 ) → (2, - 2 )

8 0
2 years ago
X^2 + 3x + c = 7/4 + c. What is the value of c?
Elena-2011 [213]
the value of c is 18
7 0
3 years ago
Evaluate the expression 3log3(6) and simplify it completely
Bond [772]
Gg easy

some properties
alogₓb=logₓbᵃ
logₐaˣ=x
logₐa=1
log(ab)=loga+logb
logₐx=y means a^y=x


3log₃6=log₃216=log₃(2³ times 3³)=log₃(2³)+log₃(3³)=log₃(8)+3

answer is log₃(8)+3 or 3(log₃(3)+1)
3 0
3 years ago
Which equation represents a circle that contains the point (-5, 3) and has a center at (-2, 1)? Distance formula: vaa -02 (x - 1
natali 33 [55]

Given:

The center of the circle = (-2,1).

Circle passes through the point (-5,3).

To find:

The equation of the circle.

Solution:

Radius is the distance between the center of the circle and any point on the circle. So, radius of the circle is the distance between the points (-2,1) and (-5,3).

Distance=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

r=\sqrt{(-5-(-2))^2+(3-1)^2}

r=\sqrt{(-5+2)^2+(2)^2}

r=\sqrt{(-3)^2+(2)^2}

On further simplification, we get

r=\sqrt{9+4}

r=\sqrt{13}

The standard form of a circle is:

(x-h)^2+(y-k)^2=r^2

Where, (h,k) is the center of the circle and r is the radius of the circle.

Substitute h=-2, k=1 and r=\sqrt{13}.

(x-(-2))^2+(y-1)^2=(\sqrt{13})^2

(x+2)^2+(y-1)^2=13

Therefore, the equation of the circle is (x+2)^2+(y-1)^2=13.

8 0
3 years ago
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