Answer please thanks

Mathematics

2 answers:

Naddik [55]2 years ago

5 0

Answer:

-37/6

Step-by-step explanation:

alekssr [168]2 years ago

4 0

Here, you will made X the subject. So.... 5 will go to the LHS from positive to negative... 3/8-5=-37/8.. so 3/4x=-37/8 so -37/8 divided by 3/4 is -37/6 so therefore x= -37/6

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What is addition of 2/3 + 1/4

Anuta_ua [19.1K]

Answer: 2/3 + 1/4 = 11/12

The least common denominator of both denominators is 12.

The first fraction , 3 x 4 = 12

2 2x4 8
— = —— = —
3 3x4 12

The second is the same , 4 x 3 = 12
1 1x3 3
— = —— = —
4 4x3 12

Add both fractions:

8 3 8 + 3 11
— + — = ——— = —
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2 years ago

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:

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