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Anna11 [10]
3 years ago
11

Suppose that you have 10 green cards and 5 yellow cards. The cards are well shuffled. You randomly draw two cards with replaceme

nt. Round your answers to four decimal places.G1 = the first card drawn is greenG2 = the second card drawn is greena. P(G1 and G2) =b. P(At least 1 green) =c. P(G2|G1) =d. Are G1 and G2 independent?
Mathematics
1 answer:
Galina-37 [17]3 years ago
4 0

Answer:

Yes

Step-by-step explanation:

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How many decimals are in a product
enot [183]

Answer: 2 decimal digits

Step-by-step explanation:

When multiplying decimals, placement of the decimal point is very important. Since there is one decimal digit in each factor, there must be two decimal digits in the product. This is because tenths x tenths = hundredths

Hope this helps and good luck! :)

5 0
3 years ago
Read 2 more answers
Jane spent 3 hours exploring a mountain with a dirt bike. First, she rode 55 miles uphill. After she reached the peak she rode f
Neko [114]

Answer:

Her speed on the summit was 35 mph.

Step-by-step explanation:

Her speed on the summit was "x" mph while her speed while climbing was "x - 10" mph. The distance she rode uphill was 55 miles and on the summit it was 28 miles. The total time she explored the mountain was 3 hours. Therefore:

time uphill = distance uphill / speed uphill = 55 / (x - 10)

time summit = distance summit / speed summit = 28 / x

total time = time uphill + time summit

3 = [55 / (x - 10)] + 28 / x

3 = [55*x + 28*(x - 10)]/[x*(x - 10)]

3*x*(x - 10) = 55*x + 28*x - 280

3x² - 30*x = 83*x - 280

3x²  - 113*x + 280 = 0

x1 = {-(-113) + sqrt[(-113)² - 4*(3)*(280)]}/(2*3) = 35 mph

x2 = {-(-113) - sqrt[(-113)² - 4*(3)*(280)]}/(2*3) = 2.67 mph

Since her speed on the uphill couldn't be negative the speed on the summit can only be 35 mph.

6 0
3 years ago
Glenn needs to cut pieces of a lanyard that are each 1 meter long to make lanyard key chains. If he has 3 pieces of lanyard that
Novosadov [1.4K]

Answer:

30

Step-by-step explanation:

3 pieces each 1 dekameter long

1 dekameter = 10 meters

Convert dekameters to meters

3 pieces each 10 meters long

Multiply

Glenn has 30 meters of lanyard

Divide

He can cut 30 1-meter pieces

Hope this helps :)

3 0
3 years ago
PLEASE HELP making brainliest if correct!!
dusya [7]

Answer:

A- sss

Step-by-step explanation:

5 0
2 years ago
Someone plz help me as soon as possible plzzz
Alborosie
Variable: a symbol for a number you don’t know yet
inequality: 60=22+8x
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