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Triss [41]
3 years ago
10

When writing a set of hypotheses for a situation, which of the following is true?

Mathematics
2 answers:
Elden [556K]3 years ago
8 0

<em>*100% CORRECT ANSWERS</em>

Question 1

When writing a set of hypotheses for a situation, which of the following is true?

 The null hypothesis is a claim the researcher is trying to disprove  

Question 2

When writing a set of hypotheses for a situation, which of the following is true?

 The alternate hypothesis is a claim the researcher is trying to prove  

Andre45 [30]3 years ago
4 0

Answer:

The Null hypothesis is a claim the researcher is trying to disprove. (I think)

Step-by-step explanation:

The null hypothesis states that there is no relationship between the two variables being studied (one variable does not affect the other). It states results are due to chance and are not significant in terms of supporting the idea being investigated.

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Answer:

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Step-by-step explanation:

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angel is picking mountain blueberries for a delicious pie. she can pick 1/6 cup of blueberries in 2 minutes. if she needs 2 1/2
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Find the product of the complex numbers. Express your answer in trigonometric form. z1 = 5(cos(25) + isin(25)) z2 = 2(cos(80) +
zmey [24]

solution:

Z1 = 5(cos25˚+isin25˚)

Z2  = 2(cos80˚+isin80˚)

Z1.Z2  = 5(cos25˚+isin25˚). 2(cos80˚+isin80˚)

Z1.Z2  = 10{(cos25˚cos80˚ + isin25˚cos80˚+i^2sin25˚sin80˚) }

Z1.Z2  =10{(cos25˚cos80˚- sin25˚sin80˚+ i(cos25˚sin80˚+sin25˚cos80˚))}

(i^2 = -1)

Cos(A+B) = cosAcosB – sinAsinB

Sin(A+B) = sinAcosB + cosAsinB

Z1.Z2 = 10(cos(25˚+80˚) +isin(25˚+80˚)

 Z1.Z2     = 10(cos105˚+ isin105˚)


5 0
4 years ago
Solve the problems<br><br>9^2<br><br>4^3<br><br>3^2<br><br>2^3<br><br>5^2
Darina [25.2K]

Answer:

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Step-by-step explanation:

hope this helps!

3 0
3 years ago
Evaluate -a - 12a^2 for a = -1<br><br> a. -13<br> b. 13<br> c.-11
Gelneren [198K]

C

substitute a = - 1 into the expression

- (- 1) - 12(- 1)² = 1 - (12 × 1 ) = 1 - 12 = - 11 → C


8 0
4 years ago
Read 2 more answers
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