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Gnesinka [82]
3 years ago
11

Triangles ABC and DEF are similar. Find the lengths of AB and EF. Right triangles A B C and D E F. Side A B is 5 x, side B C is

4, and hypotenuse A C is unknown. Side D E is 5, E F is x, and hypotenuse D F is blank. a. AB = 2; EF = 10 c. AB = 20; EF = 4 b. AB = 10; EF = 2 d. AB = 4; EF = 20 Please select the best answer from the choices provided
Mathematics
1 answer:
Doss [256]3 years ago
7 0

Answer:

Ummm...

Step-by-step explanation:

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How many 3 letter codes are possible using a-j without repeats?
Dennis_Churaev [7]
There are 10 letters in the set {a, b, c, d, e, f, g, h, i, j} which is the pool of letters to choose from when making these three letter codes.

We have 10 choices for slot 1
Then 9 choices for slot 2. This is because we can't reuse the choice for slot 1
Then 8 choices for slot 3

Overall, there are 10*9*8 = 90*8 = 720 different permutations

Answer: 720

Note: you can use the nPr permutation formula with n = 10 and r = 3 to get the same answer
5 0
3 years ago
What is the factored form of x2 - 10x + 24
umka2103 [35]

Answer:

(x-6) (x-4)

Step-by-step explanation:

x^2 - 10x + 24

What 2 numbers multiply to 24 and add to -10

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(x-6) (x-4)

4 0
3 years ago
You and your best friend have decided to go out Friday night to spend the money you received from having a great report card. Th
slega [8]

Answer:

Step-by-step explanation: X=-4y+4

3 0
3 years ago
How do u solve this?
malfutka [58]

you can work it out or put in random numbers until the two sides are equal

3 0
3 years ago
What is the equation of the exponential graph shown?
Evgesh-ka [11]

Answer:

  • f(x) = 100*(1/2)ˣ

Step-by-step explanation:

<u>Exponential function is:</u>

  • f(x) = a*bˣ

<u>Use two points on the graph to determine the value of a and b:</u>

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<u>Find the values of a and b:</u>

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  • f(1) = a*b¹ = ab = 100b = 50 ⇒ b = 50/100 = 1/2

<u>The function is:</u>

  • f(x) = 100*(1/2)ˣ
7 0
2 years ago
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