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Marat540 [252]
3 years ago
12

I’ll mark Brainliest if correct ||question: which of the following shows the correct evaluation for the expression (2/5)^5

Mathematics
2 answers:
Nitella [24]3 years ago
4 0

The 1st one

Well it's the same as normal exponents so you multiply  2/3 x 2/3 x 2/3 x 2/3 x 2/3

bixtya [17]3 years ago
3 0

Answer:

2/3×2/3×2/3×2/3×2/3=32/243 show the correct evaluation for the expression (2/5)^5

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The probability that a randomly selected elementary or secondary school teacher from a city is a female is , holds a second job
julsineya [31]

Answer:

The probability that an elementary or secondary school teacher selected at random from this city is a female or holds a second job is 0.90.

Step-by-step explanation:

Denote the events as follows:

<em>X</em> = an elementary or secondary school teacher from a city is a female

<em>Y</em> = an elementary or secondary school teacher holds a second job

The information provided is:

P (X) = 0.66

P (Y) = 0.46

P (X ∩ Y) = 0.22

The addition rule of probability is:

P(A\cup B)=P(A)+P(B)-P(A\cap B)

Use this formula to compute the probability that an elementary or secondary school teacher selected at random from this city is a female or holds a second job as follows:

P(X\cup Y)=P(X)+P(Y)-P(X\cap Y)\\=0.46+0.66-0.22\\=0.90

Thus, the probability that an elementary or secondary school teacher selected at random from this city is a female or holds a second job is 0.90.

4 0
3 years ago
The y intercept of the line 5y + 2x -3=0
Alecsey [184]

5y+2x-3=0

5y=-2x+3

y=-2/5 x+3

Sope intercept of the line is y=-2/5 x+ 3/5.

The intercept is 3/5.

Check: x=0 when y=3/5

5y+2x-3=0

5(3/5)+2x-3

3+2x-3=0

2x=0

x=0

Correct

The answer is 3/5.

5 0
3 years ago
Find the value of x pls
Basile [38]

Step-by-step explanation:

As we can see it a right angled triangle

so <y =90°

Now

3x + 11° + 25° + 90° = 180°{being sum of angles of triangle}

3x + 126° = 180°

3x = 54°

X = 18°

6 0
2 years ago
3x²+2x²+x-2 divided x+2​
ICE Princess25 [194]

Answer:

3x^2-4x+9 remainder -20/x+2

Step-by-step explanation:

7 0
3 years ago
Please help, what is the slope?
NikAS [45]

Answer:

0

Step-by-step explanation:

i think sorry if wrong

7 0
3 years ago
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