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lisabon 2012 [21]
3 years ago
14

PLEASE PLEASE HELP ME 30 POINTS! x + 20 ≤ -10

Mathematics
2 answers:
Archy [21]3 years ago
8 0

Answer:

x is less than -30

Artemon [7]3 years ago
7 0

X + 20 <= -10

Subtract 20 from both sides:

X <= -30

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An accounting firm has recently recruited six graduates: three men and three women. Three of the graduates are to be selected at
solong [7]

Answer:

a) The probability tree is constructed below

b) the probability that at least two women will be selected is 0.500

Step-by-step explanation:

Given the data in the question;

a) The probability tree is as follows;

                                                 3 men, 3 women

                                                            ↓

           _______________________|________________________

            ↓                             ↓                                  ↓                               ↓

         3 men                    2 men                          1 man                        0 men

      0 women                1 woman                     2 woman                   3 women

b) the probability that at least two women will be selected

p( at least two women would be selected) = P( there are 2 women out of 3 ) + P( there 3 women out of 3

so

p( at least two women would be selected) = C

³C₂ × ³C₁ / ⁶C₃ + ³C₃³C₀ / ⁶C₃  

= 3!/(2!(3-2)!) × 3!/(1!(3-1)!)  / 6!/(3!(6-3)!) + 3!/(3!(3-3)!) × 3!/(0!(3-0)!) / 6!/3!(6-3)!)

= 3 × 3 / 20 + 1 ×  1 / 20

= 9/20 + 1/20

= 0.45 + 0.05

p( at least two women would be selected) = 0.500

Therefore, the probability that at least two women will be selected is 0.500

6 0
2 years ago
Y = x2 - 6x - 8
Usimov [2.4K]

Answer:

I think type answer is A

3 0
3 years ago
Help i'll give 20points​
saul85 [17]

Step-by-step explanation:

512+18=530

423+12=435

5421+14=5435

6324+32=6356

7985+23=8008

5 0
2 years ago
Given the function f(x)=1/2x+8 find x so that, f(x)=10<br><br> please help im stumped
Crank

Step-by-step explanation:

plug y value :

10=1/2x+8

1/2x=2

x=4

3 0
2 years ago
In his truck Robert can drive 70.5 miles on 2 gallons of gas. Find the distance that Robert’s truck can travel on 15 gallons of
ICE Princess25 [194]

Answer:

500 miles

Step-by-step explanation:

70.5 : 2 = 35.25

so 1 galon is 35.25 miles

35.25 x 15 = 528.75 miles

and rounded to the nearest hundredth is 500 miles

5 0
3 years ago
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