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Flura [38]
3 years ago
5

An extra security passcode for a certain account is made up of two digits followed by one letter. The digits maybe the same. Hec

tor choose is a passcode for this account. Values to answer the questions below. How many different possible pass codes are there? What is the probability of guessing each individual piece of Hector's pass card correctly
Mathematics
2 answers:
Nuetrik [128]3 years ago
7 0

Answer: 26,000

Step-by-step explanation:

maria [59]3 years ago
5 0
10*10*26=26,000 possibilities
Hope this helps
Plz mark me as brainliest I really need it to advance a level
Plz
:D
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I need help ASAP
Firdavs [7]
I think it’s B I’m not sure
7 0
3 years ago
If the hypotenyse of an isosceles triangle is 8 inches, is there enough information to find the length of the legs? If yes, find
OLga [1]

Answer: 5..6 in.

Step-by-step explanation:

Given

Hypotenuse of isosceles triangle is 8 inches

In isosceles triangle two sides are equal

Suppose the other side is x

Using Pythagoras we can write

\Rightarrow x^2+x^2=8^2\\\Rightarrow 2x^2=64\\\Rightarrow x^2=32\\\Rightarrow x=4\sqrt{2}\approx 5.6\ in.

Therefore, the lengths of the legs is 5.6 inches

3 0
4 years ago
I NEED HELP PLEASE, THANKS! :)
Fiesta28 [93]

Hey there! :)

Answer:

d ≈ 3.49 units

Step-by-step explanation:

Use the distance formula for polar coordinates to determine the distance:

d = \sqrt{r_{1} ^{2}+r_{2} ^{2}-2r_{1}r_{2}cos(0_{1}- 0_{2} )   } (The '0' is supposed to be theta)

Plug in the values given in the question. Convert radians to degrees to simplify the process.

217π/180 = 217°

-23π/36 = -115°.

Therefore:

d = \sqrt{7 ^{2}+5 ^{2}-2(7)(5)cos(217-(-115) )   }

Begin simplifying:

d = \sqrt{74-70cos(332)   }

d = \sqrt{74-61.81   }

Solve:

d = \sqrt{12.19  }

d ≈ 3.49 units

6 0
4 years ago
Evaluate 8x – y2 – 3 when x = -_and y = 3.<br><br> The value of the expression is .
sweet-ann [11.9K]
1.)Substitute using given information: 8x-2(3)-3

2.)Simplify: 8x-6-3=8x-9

8x-9
8 0
3 years ago
(3.5x10^-5)(3x10^-10) express in scientific notation
kirza4 [7]
Your to you problem is 1.05 times 10^-14
7 0
3 years ago
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