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Nookie1986 [14]
2 years ago
13

Answer for 30 points and brainilest

Mathematics
1 answer:
Fantom [35]2 years ago
6 0
Answer: 15.7 cups of popcorn

Step by step solutions:

V=pi*r^2*h
V=3.14*3^2*8
V=226.08 in^3

Now divide the volume by the volume of a cup of popcorn.

226.08 in^3/(14.4 in^3)=15.7 cups
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In ∆ABC the angle bisectors drawn from vertices A and B intersect at point D. Find m∠ADB if: m∠C=130°
Zepler [3.9K]

Answer:

  m∠ADB = 155°

Step-by-step explanation:

  m∠ADB = (m∠C)/2 + 90° = 130°/2 + 90°

  m∠ADB = 155°

_____

Reference brainly.com/question/17443119 for the derivation.

3 0
3 years ago
Read 2 more answers
A private opinion poll is conducted for a politician to determine what proportion of the population favors adding more national
Ksju [112]

Answer:

n≅376

So sample size is 376.

Step-by-step explanation:

The formula we are going to use is:

n=pq(\frac{z_{\alpha/2}}{E})^{2}

where:

n is the sample size

p is the probability of favor

q is the probability of not in favor

E is the Margin of error

z is the distribution

α=1-0.98=0.02

α/2=0.01

From cumulative standard Normal Distribution

z_{\alpha/2}=2.326

p is taken 0.5 for least biased estimate, q=1-p=0.5

n=0.5*0.5(\frac{2.326}{0.06})^{2}\\n=375.71

n≅376

So sample size is 376

4 0
3 years ago
Can someone please help solve this probelm ​
Vika [28.1K]
Multiply all the numbers of options together, so 5x3x4 to get 60 possible outfits.
8 0
3 years ago
The ABC company's brand has a market share of 30%. Suppose that in a survey, 800 consumers of the product are asked which brand
Anna007 [38]

Answer: 0.68

Step-by-step explanation:

given data:

ABC market share = 30%

number of customers surveyed = 800

probability that more than 32% prefers ABC

Solution:

32% of 800

= 256 persons

p ( x ≥ 256 )

= 1 - ( 256/800 )

= 1 - 0.32

= 0.68

the probabiliy that more than 32% of those who carried out the survey would prefer ABC brand is 0.68.

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3 years ago
What is the surface area? Please show work
Naddika [18.5K]
Total of area of faces so (20*6+20*4+4*6)*2=448 cm ^2
8 0
3 years ago
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