3 years ago

Help me with this plz

Mathematics

1 answer:

andriy [413]3 years ago

7 0

1. angle X and and angle 80 are same side interior angles
2. congruent

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1. The company has agreed on a 9- character password format, comprised of uppercase letters, lower case letters, and digits (0-9

pochemuha

Answer: a) 1977060966, b) 146581344.

Step-by-step explanation:

Since we have given that

There are 10 numbers,

There are 26 lower case letters,

There are 26 upper case letters,

Since the first 3 characters have to be digits and next 6 can be upper or lower.

So, a) repetitions are allowed:

$10^3\times (26+26)^6\\\\=10^3\times 52^6\\\\=1977060966$

b) repetitions are not allowed:

$^{10}P_3\times ^{52}C_6\\\\=720\times 20358520\\\\=146581344$

Hence, a) 1977060966, b) 146581344.

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3 years ago

Find the volume in cubic centimeters of a cube with a side length of 5 cm

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Answer:

125 cm3

Step-by-step explanation:

V = l * w * h

V = 5 * 5 * 5

V = 125 cm3

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2 years ago

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koban [17]

1 3   4
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Explanation:

1 + 1 = 2
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3 years ago

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In class, Matthew stated, "I think that a negative is like an opposite. That is why multiplying a negative times a negative equa

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Solve: 3x - 2x + 4 = 5x - 4x - 8 A) 3 B) 6 C) -3 Eliminate D) no solution

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