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castortr0y [4]
2 years ago
11

A teacher asks students to list the math lessons they learned on nine random school days in the past month. She evaluates the st

udents’ performance on this assignment to get a general picture of how well students are taking notes. This teacher’s method is an example of.
Mathematics
1 answer:
zysi [14]2 years ago
5 0

Answer:

Simple random sampling

Step-by-step explanation:

Hope this work :)

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Plz Help
weqwewe [10]
**y=x+2
when x=0,y=2; A(0,2)
when x=1,y=3; B(1,3)
**y=-x+8
when x=0,y=8; C(0,8)
when x=5,y=-3; D(5,-3)

The solution from the graph is S(2,4).

4 0
3 years ago
Expand: f(x) = x^4 - 3x + x^2 +​
Delicious77 [7]

Step-by-step explanation:

f (x) =y

y=x^4 -3x + x^2

incomplete

6 0
3 years ago
Read 2 more answers
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Butoxors [25]

i'm really good at all kinds of math, but this doesn't make any sense.

7 0
3 years ago
Read 2 more answers
Y=VX+4<br> What’s the answer
shepuryov [24]

Answer: V = slope or  gradient of the equation

Step-by-step explanation:

y = VX + 4

From equation of a straight line

y = mx + c

where m is the gradient or slope

Therefore

V= slope or gradient of the equation

6 0
3 years ago
Describe fully the single transformation that maps triangle A onto triangle B.
Brrunno [24]

9514 1404 393

Answer:

  reflection across the line y = x

Step-by-step explanation:

The orientation of the triangle has changed from CW to CCW (considering sides in order least-to-greatest). This means a reflection is involved.

In order for this to be a single transformation, we need to know the line or point of reflection.

Each point is reflected about the point that is the midpoint joining an image point and the corresponding preimage point. Here, the points of reflection of the vertices all lie on the line y = x. So we can say ...

  the transform is reflection across the line y = x

7 0
3 years ago
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