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a_sh-v [17]
3 years ago
11

How many fish is there if there are 4 fish in a bag and 16 fish in the tank.

Mathematics
1 answer:
expeople1 [14]3 years ago
6 0

Answer:

20 fish in total

Step-by-step explanation:

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Find the value of each trigonometric ratio. 18) cos X Y 24 24 25 24 A) C) 25 B) D) 24 25 25​
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Step-by-step explanation:

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The complement of an angle is 81° what is the measure of the angle
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9°, complementary angles always add up to 90°
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Which is the better buy, 6 ballpoint pens for $4.80 or 8 for $6.48? Explain how you got your answer.
Paha777 [63]

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6 ballpoints pens is the better buy

Step-by-step explanation:

$4.80 x 6 = $28.80

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3 years ago
A researcher plans to conduct a significance test at the 0.01 significance level. She designs her study to have a power of 0.90
Rasek [7]

Answer: 0.10

Step-by-step explanation: The type 2 error is committed when the alternative hypothesis is rejected when it should have been accepted causing the researcher to accept the null hypothesis which is false.

Power is the probability of avoiding a type 2 error. That is ;

Power = 1 - P(type 2 error)

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P(type 2 error)' = 1 - P(type 2 error) = Probability of not committing or avoiding a type 2 error

0.90 = 1 - P(type 2 error)

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6 0
3 years ago
In circle O, the measure of ABC is 68. what is the measure of AC?
mixer [17]
Answer:
A.
Step-by-step explanation:
We have been given a diagram. We are asked to find the measure of angle ABC.
First of all, we will find measure of major arc AC by subtracting 146 from 360 degrees.


Now, we will use tangent-tangent angle theorem to solve for ABC.
Tangent-Tangent angle theorem states that angle formed by two tangents outside a circle is half the difference of intercepted arcs.



Therefore, the measure of angle ABC is 34 degrees and option A is the correct choice.
4 0
3 years ago
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