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victus00 [196]
2 years ago
5

Can someone solve my homework questions please ?

Mathematics
1 answer:
gulaghasi [49]2 years ago
4 0
A is not congruent
B is not congruent
C is congruent
D is not congruent
E is congruent
Is congruent
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A computer system requires that passwords contain at least one digit. if eight characters are generated at random, and each is e
KIM [24]
Figure this out as though no digits are present. You can choose 8 of the 26 letters and that's it.
26^8 [you can allow repeating letters]  =  2.088 * 10^11
The total number of ways that can be chosen with letters and digits intermixed = 36^8

The probability of getting no numbers is 26^8 / 36^8 or (26/36)^8 = 0.07402
So the probability that there were be at least one digit is
1 - 0.07402 = 0.92598
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3 years ago
Ivan flips a coin 40 times, How many times can he expect head to appear?
aleksklad [387]
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An altitude is drawn from the vertex of an isosceles triangle, forming a right angle
Hatshy [7]

Answer:56.8 inches

Step-by-step explanation:

For perimeter we must find the lengths of the 2 diagonal sides of the triangle which are the same because it is isosceles.

the triangle is cut directly in half so both halves of the base are 17/2

17/2 = 8.5

solve through pythagoren theorum

altitude^2 + (half of base)^2 = (diagonal length)^2

18^2 + (8.5)^2 = (diagonal length)^2

324 + 72.25 = (diagonal length)^2

396.3 = (diagonal length)^2

\sqrt{396.3} = diagonal length

diagonal length = 19.9

diagonal length + diagonal length + base = perimeter

19.9 + 19.9 + 17 = perimeter

56.8 inches = perimeter

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2 years ago
Can someone help me with this ASAP please I’m being timed !
Paladinen [302]

Answer:

A

Step-by-step explanation:

8 0
2 years ago
PLEASE HELP I WILL GIVE BRANLIEST TO WHO ANSWERS FIRST
Olegator [25]
56
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8 0
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