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N76 [4]
3 years ago
8

Couldn't write it out so i took a pic of it

Mathematics
2 answers:
olasank [31]3 years ago
6 0

Answer:

4th is the answer

Step-by-step explanation:

Firlakuza [10]3 years ago
5 0

Answer:

the measure of <ABD = 1/2 the measure of <ABC is the answer :)

Step-by-step explanation:

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Which of the following is not true about cluster sampling?
Aloiza [94]

Answer:

The correct answer is D. It is not true that cluster sampling uses randomly selected clusters and samples everyone within each cluster.

Step-by-step explanation:

Cluster sampling is a method of collecting samples and statistical data, by means of which a certain group formed by people, things, events, etc., is taken as a sample, which are not considered individually but as part of a whole, which is in turn a proportional representation of the universality of samples available in the field.

Now, since this type of sampling allows to embrace large groups of sample units, data are not always obtained from all the components of the cluster, but from those necessary to be able to quantify the desired statistics.

5 0
3 years ago
Read 2 more answers
Ab + 2b²<br> where<br> a = 7 b=4
Veronika [31]

Answer:

60

Step-by-step explanation:

a=7\\b=4\\ab+2b^2\\(7)*(4)+2*(4)^2\\28+2*16\\28+32\\=\fbox{60}

7 0
1 year ago
Please help it is one question please please and give explanation!!
Dafna1 [17]
It is a i think sorry if wrong
5 0
3 years ago
What is the sum of 2 + 3i and −1+7i<br> A 1 + 10i<br> B 3−4i<br> C 5 + 6i<br> D 9 + 2i
poizon [28]
A is the correct answer


2 + 3i + (-1) + 7i
1 + 10i
6 0
3 years ago
Read 2 more answers
Which angle is coterminal with a 645° angle?
velikii [3]

Answer:

C

Step-by-step explanation:

Coterminal angles are angles that have a common terminal side.

So, given an angle θ, its coterminal angles will always be ±360°. This can be repeated.

We have a 645° angle.

Therefore, all values of the equation:

645\pm 360n

Where <em>n</em> is an integer is coterminal with our original angle.

Letting <em>n</em> = 1 and using the negative case, we acquire:

\Rightarrow 645-360=285

Therefore, an angle measuring 285° is coterminal with a 645° angle.

None of the other options can be reached by adding/subtracting 360.

Therefore, our answer is C.

5 0
3 years ago
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