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LuckyWell [14K]
2 years ago
13

The point A(−7,−3) is reflected over the point (−1,−4) and its image is point B. What are the coordinates of point B?

Mathematics
1 answer:
Nana76 [90]2 years ago
8 0

Answer:

Step-by-step explanation:

Hope this helps answer your question(s). Please mark brainliest and enjoy the rest of your day!

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A diner has collected data about customer coffee-drinking habits. They have calculated that P(cream) = 0.5, P(sugar) = 0.6, and
frozen [14]

Answer:

P(cream and sugar) = 0.4

Step-by-step explanation:

* Lets study the meaning of or , and on probability

- The use of the word or means that you are calculating the probability

 that either event A or event B happened

-  Both events do not have to happen

- The use the word and, means that both event A and B have to happen

* The addition rules are:

# P(A or B) = P(A) + P(B) ⇒ mutually exclusive (events cannot happen

 at the same time)

# P(A or B) = P(A) + P(B) - P(A and B) ⇒ non-mutually exclusive (if they

 have at least one outcome in common)

- The union is written as A∪B or “A or B”.

- The intersection is written as A∩B or “A and B”

* Lets solve the question

∵ P(cream) = 0.5

∵ P(sugar) = 0.6

∵ P(cream or sugar) = 0.7

- To find P(cream and sugar) lets use the rule of non-mutually exclusive

∵ P(A or B) = P(A) + P(B) - P(A and B)

∴ P(cream or sugar) = P(cream) + P(sugar) - P(cream and sugar)

- Lets substitute the values of P(cream) , P(sugar) , P(cream or sugar)

 in the rule

∵ 0.7 = 0.5 + 0.6 - P(cream and sugar) ⇒ add the like terms

∴ 0.7 = 1.1 - P(cream and sugar) ⇒ subtract 1.1 from both sides

∴ 0.7 - 1.1 = - P(cream and sugar)

∴ - 0.4 = - P(cream and sugar) ⇒ multiply both sides by -1

∴ 0.4 = P(cream and sugar)

* P(cream and sugar) = 0.4

5 0
3 years ago
Read 2 more answers
Susan and John are buying cold drinks for a neighborhood picnic. Each person is expected to drink one can of soda. Susan says th
zhannawk [14.2K]
John's method will find you the price of each individual can of soda.Susan's method will find you the total cost of the soda. total number of cost = the number of things x the cost of each thing 
8 0
3 years ago
Read 2 more answers
Tom started his hike at 2:15pm. he arrived at his destination at 4:30pm. how long did he hike??
Alex

Answer:2:15 minutes is how long he hiked

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Please answer this in two minutes
tangare [24]

Answer:

<h2>H = 60° </h2>

Step-by-step explanation:

To find angle H we use tan

tan ∅ = opposite / adjacent

From the question

The opposite is 2√21

The adjacent is 2√7

So that's

tan H = 2√21/ 2√7

H= tan-¹ 2√21/ 2√7

<h3>H = 60° </h3>

Hope this helps you

8 0
3 years ago
Solve the proportion 4/x=8/(x-3)
jenyasd209 [6]

Answer:

x=-3

Step-by-step explanation:

4/x=8/(x-3)

We can solve this using cross products

4 ( x-3) = 8x

Distribute

4x -12 = 8x

Subtract 4x from each side

4x-4x-12 = 8x-12-4x

-12 =4x

Divide each side by 4

-12/4 = 4x/4

-3 =x

4 0
3 years ago
Read 2 more answers
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