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LenKa [72]
3 years ago
11

Hugo and Viviana work in an office with eight other coworkers. Out of these 10 workers, their boss needs to choose a group of fo

ur to work together on a project.
(a) How many different working groups of four can the boss choose?
(b) Suppose Hugo and Viviana absolutely refuse, under any circumstances, to work together. Under this restriction, how many different working groups of four can be formed?
Mathematics
1 answer:
Doss [256]3 years ago
3 0

Answer:182 ways

Step-by-step explanation:

Given

there are total of 10 workers in office

No of ways to select 4 workers out of 10 workers =^{10}C_4

=\frac{10\times 9\times 8\times 7}{4\times 3\times 2\times 1}=210

(b)If hugo and Viviana refuse to work together then

then no of ways in which hugo anf Viviana work together

=^{8}C_2=28

Therefore total no of ways in which Hugo and Viviana do not work together is =210-28=182\ ways

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2 years ago
A standard die (a six-sided cube with the numbers 1‚ 2‚ 3‚ 4‚ 5‚ and 6 on the sides) is rolled 150 times. Which of the following
Mama L [17]

Answer:

50

Step-by-step explanation:

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7 0
3 years ago
Ms santos seashells into 4 row she puts 6 seashells in each row how many seachells are there altogether
kati45 [8]
4 rows and 6 seashells in each row. 
Row 1: 0 0 0 0 0 0
Row 2: 0 0 0 0 0 0
Row 3: 0 0 0 0 0 0
Row 4: 0 0 0 0 0 0

You add all of them together 6+6+6+6=24 
Or you could do 6x4 and your answer would be 24
So the answer to the question is 24 seashells. 
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2 years ago
9. Write the slope-intercept form of the equation of the line through the given points. Write answer as y=mx+b. through: (-4, 5)
densk [106]

Answer:

y = -x + 1

Step-by-step explanation:

(-4,5) (1,0)

Find distance through a number line.

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(5,-5)

Slope form:

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-5/5

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To find the y-intercept get x to be at zero and see where y ends. Let's use the point (1,0):

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= (0,1)

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Now write in slope-intercept form:

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so,

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3 0
3 years ago
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Deffense [45]
Just multiply the numers given
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