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zimovet [89]
4 years ago
6

How many edges and vertices?

Mathematics
2 answers:
mezya [45]4 years ago
4 0
8 edges and 8 verticles i guess
Alekssandra [29.7K]4 years ago
3 0
5 vertices and 8 edges
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a local bank reports that 80% of its customers maintain a checking account, 60% have a savings account, and 50% have both. a. if
VMariaS [17]

The Venn probabilities for this problem are given as follows:

a. 0.9 = 90%.

b. 0.1 = 10%.

<h3>What is a Venn probability?</h3>

In a Venn probability, two non-independent events are related with each other, as are their probabilities.

The "or probability" is given by:

P(A \cup B) = P(A) + P(B) - P(A \cap B)

For this problem, the events are given as follows:

  • Event A: Checking account.
  • Event B: Savings account.

From the text, the probabilities are given as follows:

P(A) = 0.8, P(B) = 0.6, P(A \cap B) = 0.5

From item a, the or probability is given as follows:

P(A \cup B) = 0.8 + 0.6 - 0.5 = 0.9

There is a 0.9 = 90% probability the customer has either a checking or a savings account.

For item b, <u>none is the opposite of either</u>, hence there is a 1 - 0.9 = 0.1 = 10% probability the customer does not have either a checking or a savings account.

More can be learned about Venn probabilities at brainly.com/question/25698611

#SPJ1

8 0
1 year ago
Evaluate the expression using properties of numbers. Name the property used in each step.
Bingel [31]

The properties are listed in the following order:

  1. <em>Given</em>
  2. <em>Conversion from mixed numbers into rational numbers / Associative property</em>
  3. <em>Addition of fractions with different denominators</em>
  4. <em>Mutiplication of fractions</em>
  5. <em>Associative property / Existence of multiplicative inverse / Modulative property / Definition of division</em>
<h3>How to simplify a product of rational numbers</h3>

Herein we are in front of a product of three <em>rational</em> numbers, that is, numbers of the form m / n, where m, n are integers and n ≠ 0. We need to apply definition and theorems from algebra to simplify a given number, whose procedure is shown in detail:

(2 3 / 4) · (1 1 / 8) · 32             Given

(2 + 3 / 4) · (1 + 1 / 8) · 32       Conversion from mixed numbers into rational numbers

(11 / 4) · (9 / 8) · 32                  Addition of fractions with different denominators

(99 / 32) · 32                          Mutiplication of fractions

99                                           Associative property / Existence of multiplicative inverse / Modulative property / Definition of division / Result

To learn more on fractions: brainly.com/question/10354322

#SPJ1

6 0
2 years ago
Jeffrey is making a passcode for his new phone. He decides to create a 6
torisob [31]
About 750 different permutations
6 0
3 years ago
36. 29.Need the work and explanation of why it's that answer ❗️Thanks so much ASAP
Triss [41]
35)

∗ The volume of that wedge is 1/2BHL

∗ The volume of a rectangular prism is LWH


∗ B = 8
∗ H = 5
∗ L = 11

∗ 1/2 • 8 • 5 • 11 = 220

∗ v = 220cm^3

∗ 2 wedges have a volume of 440cm^3

▪
∗ L = 8
∗ W = 12
∗ H = 5

∗ 8 • 12 • 5 = 480

∗ v = 480cm^3

⋆ The answer is c ⋆

∘∘∘∘∘∘∘∘∘∘∘∘∘∘∘∘∘∘
36)

∗ The question says "bikes" which refers to more than 1, and there are 3 people.

∗ It costs $18 a day to rent a bike.

∗ They are renting for 5 days.

∗ Let x represent the number of days.
∗ Let b represent the number of bikes.
∗ Let y represent the total cost.

∗ (b • 18)x = y

∗ (3 • 18)5 = y

∗ 54 • 5 = 270

∗ There are 3 people splitting the cost, so you divide 270 by 3 to get 90.

∗ Each person pays $90

⋆ The answer is D ⋆

3 0
4 years ago
Easy question (easy math question)
Ronch [10]

Answer:

4/5

Step-by-step explanation:

because the ratio is 4:5

6 0
4 years ago
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