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Rasek [7]
3 years ago
9

Plz help with number 18 thx

Mathematics
1 answer:
bulgar [2K]3 years ago
5 0

Answer:

a

Step-by-step explanation:

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I really don’t get this one please i’ve been stuck forvever
expeople1 [14]

Answer:

ASA

Step-by-step explanation:

The Angle Side Angle Postulate (ASA) says that "triangles are congruent if any two angles and their included side are equal in the triangles. An included side is the side between two angles."

Hope this helps! :)

7 0
1 year ago
Read 2 more answers
Riley wants to buy a car and has a choice between two different banks. One bank is offering a simple interest rate of 4.5% and t
Volgvan
The bank that offers compound interest should get Riley more money.

let's assume he puts 10,000 in each account, and he is saving for 10 years.

the account that gives him simple interest will give him .045 * 10,000 * 10 = 4500 in interest, which gives him a total of 14,500 at the end of 10 years.

the account that gives him annual compound interest will give him 10,000 * 1.045 ^ 10 = 15,529.69422 at the end of the 10 years.

the difference is that he is earning interest on his interest in the annual compound account, while he is only earning interest on his principal in the simple interest account.

Hope this helps. Good luck !!
5 0
3 years ago
If f(x) = x2 – 2x, find:<br> f(-3) = [?]
allsm [11]

Answer:

\boxed{\sf f(-3) = 9}

Given:

\sf f(x) =  {x}^{2}  - 2x

To Find:

Value of f(x) when x = -3

Step-by-step explanation:

\sf \implies f(x) =  {x}^{2}  - 2x \\  \\  \sf \implies f( - 3) =  {( - 3)}^{2}  - 2 ( - 3) \\  \\  \sf \:  \:  \:  \:  \:  \:   \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 3 - ( - 6) \\  \\  \sf \:  \:  \:  \:  \:  \:   \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  =3 + 6 \\  \\  \sf \:  \:  \:  \:  \:  \:   \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  =9

5 0
4 years ago
Toby plans to enroll for 2 semesters per year of college. How can he calculate the extra mo ey he needs for each semester? What
AnnZ [28]

Hey there!

Sorry if I answered your question too late, but here is the answer!

Step-by-step explanation:

Toby will require $2,000 for expenses for one year of college. He plans to enroll for 2 semesters per year, so Toby has to divide $2,000 by 2 to find the expenses for each semester. He can set up the division as $2,000 ÷ 2 or 2 ⟌2,000.

Answer: He will need $1,000 for each semester.

You are free to use the Step-by-step explanation to show your work. Have a great day! :))

4 0
3 years ago
Suppose that on the leeward side of the island of Oahu, in the small village of Nanakuli, about 30% of the residents are of Hawa
Lelu [443]

Answer:

The expected number of people you must meet until you encounter the first person of Hawaiian ancestry in the village of Nanakuli is 3.3

Step-by-step explanation:

For each person, there are only two possible outcomes. Either they are of Hawaiian ancestry, or they are not. The probability of a person being of Hawaiian ancestry is independent of any other person. So we use the binomial probability distribution to solve this question.

Binomial probability distribution:

The expected number of trials to find r sucesses, with p propability, is given by:

E(X) = \frac{r}{p}

30% of the residents are of Hawaiian ancestry.

This means that p = 0.3

What is the expected number of people you must meet until you encounter the first person of Hawaiian ancestry in the village of Nanakuli?

This is E when r = 1. So

E(X) = \frac{r}{p} = \frac{1}{0.3} = 3.3

The expected number of people you must meet until you encounter the first person of Hawaiian ancestry in the village of Nanakuli is 3.3

5 0
4 years ago
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