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Snezhnost [94]
2 years ago
15

Match each word to its definition.

Mathematics
2 answers:
Citrus2011 [14]2 years ago
7 0

Answer:

1. biased sample: sample not representative of the entire population

2.convenience sample: sample where representatives are easily accessible

3.unbiased sample: sample where every member of the population has an equal chance

4. self-selected sample: sample where members volunteer to take part

5. stratified sample: members are selected from the different subgroups within a population

6. systematic sample: sample members are selected through the use of a rule.

Hope this helps!!

Gre4nikov [31]2 years ago
5 0

1. biased sample: sample not representative of the entire population

2.convenience sample: sample where representatives are easily accessible

3.unbiased sample: sample where every member of the population has an equal chance

4. self-selected sample: sample where members volunteer to take part

5. stratified sample: members are selected from the different subgroups within a population

6. systematic sample: sample members are selected through the use of a rule.

Hope this helps!!

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Find m<br> ∠<br> J<br> L<br> K<br> ∠JLK.
seraphim [82]

Answer:

m∠JLK° = 62°

Step-by-step explanation:

∠JLK = ∠KJL

SO

56°+2(∠JLK)° = 180°

2(∠JLK)° = 180-56

2(∠JLK)° = 124

∠JLK° = 62°

so m∠JLK° = 62°

7 0
3 years ago
Read 2 more answers
Someone help please!! :)
LUCKY_DIMON [66]

Answer:

First one

Step-by-step explanation:

BECAUSE I JUST KNOW OKAY!!! STOP ASKING HARD QUESTIONS BRAINLY!

3 0
3 years ago
A furniture store received an order for 3,456 chairs. they can fit 9 chairs in a large shipping box. how many shipping boxes wil
kykrilka [37]
This is simple :)
If 9 chairs can fit in one box, and you have 3,456 chairs, just divide how many chairs you have by how many can fit in the box in order to find how many boxes you will need.

3,456/9 = 384
384 boxes will be needed
7 0
4 years ago
Write the function f(x) = -4x2 + 24x - 42 in vertex form, and identify its vertex.
Vlad [161]

<u>ANSWER</u>


The vertex form is f(x)=-4(x-3)^2-6



<u>EXPLANATION</u>


We use completing squares


f(x)=-4x^2+24x-42


We factor -4 out of the first two terms


f(x)=-4(x^2-6x)-42

We add and subtract -4(-3)^2, that is coming from, (\frac{b}{2a})^2.


f(x)=-4(x^2-6x)+ -4(-3)^2--4(-3)^2-42

f(x)=-4(x^2-6x+(-3)^2)--4(-3)^2-42


The expression in the first parenthesis is now a perfect square.

f(x)=-4(x-3)^2+36-42


f(x)=-4(x-3)^2-6

The function is now in the form,

f(x)=a(x-h)^2+k, where V(h,k) is the vertex



Hence the vertex is(3,-6)






6 0
4 years ago
Read 2 more answers
How many solutions does ax? - bx+c=0 have if
stich3 [128]
B. No real number solutions
3 0
3 years ago
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