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Svet_ta [14]
3 years ago
5

PLEASE HELP!!!!! In a card game, Alfred picks a card from a deck, notes the color, and then puts it back into the deck. Later, V

icky picks a card from
the same deck
In this experiment, the event that Alfred picks a card from the deck is independent of the event that Vicky picks a card from the
same deck. What can be changed in this experiment so that these events become dependent?
A. It is not possible to make the second event dependent of the first event.
B.
Alfred should not put the card back into the deck after picking a card.
C.
Vicky should pick a card from another deck.
D.
The deck should be split into two piles, and Alfred should pick from one pile, while Vicky picks from the other.
Mathematics
1 answer:
leva [86]3 years ago
3 0
I think it’s d but I’m not sure
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Give an example of an event that is certain and an event that is impossible. What are the probabilities for each event?
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1 .Fridays and Saturdays, she works 16 hours

16 x $9.70  = $155.20
answer: her gross pay in a week: $155.20

2.  7 hours on Wednesday, 6 hours on Thursday, and 9 hours on Friday. His gross pay for all three days was $196.90
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196.90 / 22 = $8.95
answer: his hourly rate was $8.95

3.hourly rate of $11.28 per hour worked 46 hours last week. She works overtime for hours exceeding 40 hours in a week. She is paid overtime at a rate of time and a half. What was her gross pay last week?

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46 - 40 = 6 (6 hours over time)

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6 * $16.92 = $101.52

$451.20(40hours) +  $101.52(6hours overtime) = $552.72

answer: her gross pay last week was $552.72

4. Paul received a $15 tip on a meal that cost $120. What percent of the meal cost was the tip?

15 / 120 = .125
.125 * 100 = 12.5%

answer: percent of the meal cost was the tip was 12.5%

5. Carly earns a weekly salary of $720 plus 4% commission. Last week, she sold $3250 worth of products. What was her gross pay?

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5 0
3 years ago
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Find all solutions in the interval [0, 2π) sin2x + sin x = 0
Molodets [167]
Sin 2 x + sin x = 0
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3 0
3 years ago
A box with a square base and open top must have a volume of 13,500 cm3. Find the dimensions of the box that minimize the amount
Alex17521 [72]

Answer:

Step-by-step explanation:

Let the side of the square base be x

h be the height of the box

Volume V = x²h

13500 = x²h

h = 13500/x² ..... 1

Surface area =  x² + 2xh + 2xh

Surface area S =  x² + 4xh  ...... 2

Substitute 1 into 2;

From 2; S =  x² + 4xh

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0 = 2x³ - 54000

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Since V = x²h

13500 = 30²h

h = 13500/900

h = 15cm

Hence the dimensions of the box that minimize the amount of material used is 30cm by 30cm by 15cm

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