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Zolol [24]
3 years ago
6

Samantha and Luis are attempting to determine the average number of library books that seventh-grade students check out at

Mathematics
1 answer:
san4es73 [151]3 years ago
6 0

Answer:

Luis because the sample is taken from the population of all seventh graders.

Step-by-step explanation:

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Step-by-step explanation:

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2 years ago
A line contains the points (82, −96) and (87, −86). what is the slope of the line in simplified form?
True [87]
-96-(-86)     -10     -2
------------=  ------= -----= -2
  82-87        -5        1
3 0
3 years ago
The graph on the left represents a system of
zalisa [80]

Answer:1. find the intersection, 2.) 0 and 1, 3,) 2 and 3, 4.) 0.4, 2.8

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What is the equation of the quadratic graph with a focus of (3, 1) and a directrix of y = 5?
lbvjy [14]

Answer:

The equation of the quadratic graph is f(x)= - (1/8) (x-3)^2 + 3 (second option)

Step-by-step explanation:

Focus: F=(3,1)=(xf, yf)→xf=3, yf=1

Directrix: y=5 (horizontal line), then the axis of the parabola is vertical, and the equation has the form:

f(x)=[1 / (4p)] (x-h)^2+k

where Vertex: V=(h,k)

The directix y=5 must intercept the axis of the parabola at the point (3,5), and the vertex is the midpoint between this point and the focus:

Vertex is the midpoint between (3,5) and (3,1):

h=(3+3)/2→h=6/2→h=3

k=(5+1)/2→k=6/2→k=3

Vertex: V=(h,k)→V=(3,3)

p=yf-k→p=1-3→p=-2

Replacing the values in the equation:

f(x)= [ 1 / (4(-2)) ] (x-3)^2 + 3

f(x)=[ 1 / (-8) ] (x-3)^2 + 3

f(x)= - (1/8) (x-3)^2 + 3

4 0
3 years ago
346772.99378 x 222222666886=
nordsb [41]

Answer:

7.706081948 lowecase10uppercase16

Step-by-step explanation:

I hope it helps u.

6 0
3 years ago
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