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stich3 [128]
3 years ago
11

A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. You draw the first marble, return it to the box and draw

a second marble. What is P(both marbles are orange)?
Mathematics
1 answer:
GrogVix [38]3 years ago
6 0

Answer:

1/15

Step-by-step explanation:

1/5+3+2        all of the marbles

2/10              odds of drawing an orange marble(bc 2 orange marble)

3/9                 because to get 3 green and 1 marble is removed and 9 is total          marbles left

2/10*3/9=1/15  muliply  odds because 2 draws of marbles    

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Camilias as backyard is in the shape of a rectangle and has a length of 16.5 feet. It costs her $976 to fence in the yard. If fe
Bumek [7]

Answer:

14 feet

Step-by-step explanation:

To calculate the width of the patio, we will use the formula of the perimeter, in the case of the rectangle it has the formula of:

p = 2 * l + 2 * w

Now we know that the total fencing value is $ 976 and that per foot is $ 16

that is, we can calculate the value of the perimeter, like this:

976/16 = 61

We know that the perimeter is 61 feet and that the length is 16.5, therefore it only remains to replace:

61 = 16.5 * 2 + 2 * w

solving for w:

w = (61 - 33) / 2

w = 14

which means that the width of the patio is 14 feet.

8 0
3 years ago
A diner asks patrons for their preference for waffles or pancakes and syrup or fruit topping.
prohojiy [21]

Answer:

P (Waffles | Syrup)\neq P(Waffles)

Step-by-step explanation:

From the table we have to:

Probability of syrup is 0.96

Probability of waffles and syrup is 0.32

P (Waffles | Syrup) = P (Waffles and syrup) / P (syrup)

So:

If this equality is met, the probabilities are dependent, if on the contrary

P (Wafles | Syrup) = P (Wafles) then are independent probabilities.

P (Wafles | Syrup) = 0.32 / 0.96 = 0.333 \neq 0.32

So we have to:

P (Waffles | Syrup)\neq P(Waffles)

The probabilities are dependent.

7 0
3 years ago
Read 2 more answers
2 and square root of 2 + square root of 8 - 4 and square root of 1 over 2
Orlov [11]

Answer:

2.828427125, 2.82 or just round it to 3 if you want

Step-by-step explanation:

All you have to do is type it into the Desmos Scientific Calculator exactly how you see it.

3 0
3 years ago
219.44 in word form
Naily [24]

Answer:

two hundred nineteen and 44

OR

two hundred nineteen point 44

Step-by-step explanation:

do not say AND before nineteen. saying AND represents a decimal point. Both can be used (point or and)

6 0
3 years ago
Read 2 more answers
_____ terms are also expressions.
Lubov Fominskaja [6]

Answer:

Some.

Terms that include a number and a letter are expressions.

4 0
3 years ago
Read 2 more answers
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