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Alex17521 [72]
3 years ago
9

Any large random sample from a group of people will be representative of the entire group.

Mathematics
1 answer:
Grace [21]3 years ago
6 0
False.

In a random sample each member of the group has the same chances to be choosen. A representative sample replicates the characteristcs that you want of the group. Many times you need to make the sampling not random to pick a sample that represents or replicates the group.
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Which equation represents a line parallel to the line shown on the graph?
aleksley [76]
Your answer It would be y=2x+4

3 0
3 years ago
I WILL GIVE BRAINLEST!!! (6 points!)
vlada-n [284]

Answer:

OPTION A: 2x + 3y = 5

Step-by-step explanation:

The product of slopes of two perpendicular lines is -1.

We rewrite the given equation as follows:

2y = 3x + 2

⇒ y = $ \frac{3}{2}x + 1 $

The general equation of the line is: y = mx + c, where 'm' is the slope of the line.

Here, m = $ \frac{3}{2} $.

Therefore, the slope of the line perpendicular to the line given = $ \frac{-2}{3} $ because $ \frac{3}{2} \times \frac{-2}{3} = -1 $.

To determine the equation of the line passing through the given point and a slope we use the Slope - One - point formula which is:

                                  y - y₁ = m(x - x₁)

The point is: (x₁, y₁) = (-2, 3)

Therefore, the equation is:

y - 3 = $ \frac{-2}{3} $(x + 2) $

⇒ 3y - 9 = -2(x + 2)

⇒ 3y - 9 = -2x - 4

⇒ 2x + 3y = 5 is the required equation.

6 0
3 years ago
Read 2 more answers
A total of 676 tickets were sold for the school play. They were either adult tickets or student tickets. There were 74 fewer stu
katen-ka-za [31]
To find the answer,we can solve this by settin up an equation.

Let x be the number of adult tickets sold.

The number of students ticket sold would be:
x-74

We can then sum them up to set an equation:

x+x-74 = 676
2x = 676 + 74
x = 375

Therefore the adult tickets sold were 375.

Hope it helps!
6 0
3 years ago
Answer three questions for 11 points
Ksenya-84 [330]
3. A 2.b 1.a i think if this is correct then I hope this helps
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3 years ago
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Help. Tell me which one this is
Anit [1.1K]

Answer

look up picture examples of convex or concave

Step-by-step explanation:

6 0
3 years ago
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