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mylen [45]
3 years ago
12

Harry asked a sample of 4 people how many siblings they had. Here are their responses:

Mathematics
1 answer:
earnstyle [38]3 years ago
6 0

Answer:

Formula of standard deviation = √Variance

Standard deviation = 1

Step-by-step explanation:

X-bar is the variance

Therefore, the answer would be

√X-bar

√1 = 1

!!

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Find the slope and y intercept
zepelin [54]

Answer:

slope = -1

y intercept (0,-2)

Step-by-step explanation:

We can use the two points to find the slope

(-4,2) and (1,-3)

m = ( y2-y1)/(x2-x1)

    = (-3 -2)/(1 - -4)

   = -5 /(1+4)

   = -5/5

 - 1

The y intercept is where it crosses the y axis

y intercept is (0,-2)

5 0
2 years ago
Find the image of O(–2, –1) after two reflections, first across the line y = –5, and then across the line x = 1.
PtichkaEL [24]
The answer is (4,-9). I just took the quiz.
3 0
2 years ago
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A survey asked 36 students to choose their favorite type of music from the choices of rock, pop, and country. The results of the
mina [271]

Answer:the answer is b

Step-by-step explanation:

8 0
3 years ago
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Cy+4=d−9y solve for y
tiny-mole [99]

Answer:

Answer:

y= d−4 /c+9

Step-by-step explanation:

cy+4=d−9y

Step 1: Add 9y to both sides.

cy+4+9y=d−9y+9y

cy+9y+4=d

Step 2: Add -4 to both sides.

cy+9y+4+−4=d+−4

cy+9y=d−4

Step 3: Factor out variable y.

y(c+9)=d−4

Step 4: Divide both sides by c+9.

y(c+9)  c+9 = d−4 /c+9

y= d−4 /c+9

3 0
2 years ago
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To rent a certain meeting room, a college charges a reservation fee of $ 37 and an additional fee of $ 9.70 per hour. The math c
Svetach [21]
So your equation would be 37 + 9.70x

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3 years ago
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