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KonstantinChe [14]
3 years ago
10

Barbara bought items for $7.50, $8.25, and $6.15. She gave the clerk $30.00. How much was her change?

Mathematics
1 answer:
aleksley [76]3 years ago
5 0

Answer:

$8.10

Step-by-step explanation:

yes

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An ostrich that is 133 inches tall is 18 inches taller than 5 times the height of a kiwi.
PtichkaEL [24]

Answer:

23

Step-by-step explanation:

133 = 18 + 5x

155 = 5x

23 = x

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3 years ago
Which ordered pair is a solution of the equation y equals x minus 3
Rom4ik [11]
Y = x-3

Basically you just need to plug in an x value and solve for y
y = x - 3
y = (4) - 3
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In this case, the ordered pair of this equation would be (4, 1)

You can do this given any x or y coordinate

Hope this helps 
6 0
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Plz help me have to turn this in today it 5:57
ruslelena [56]

Answer:

454

Step-by-step explanation:

8 0
3 years ago
The probability that a civil servant own a car is 1/6,if two civil servants are selected at random.find the probability that
Elodia [21]

Answer:

The data we have is:

the probability that a civil servant own a car is 1/6

Two civil servants are selected at random.

a) The probability that each own a car.

Ok, here we have two events:

Person 1 haves a car.

Person 2 haves a car.

The probability of each of those events is the same, 1/6.

P1 = 1/6

P2 = 1/6

Now, the probability of both events happening at the same time is equal to the product of the individual probabilities.

P = P1*P2 = (1/6)*(1/6) = 1/36.

b) Only one has a car.

Suppose that Person 1 has the car and Person 2 has not a car.

The probability for person 1 is 1/6.

And for person 2, is the negation of having a car:

So if we have prob of having a car = 1/6

Then the probability of not having a car is = 1 - 1/6 = 5/6.

Then we have:

P1 = 1/6

P2 = 5/6.

The joint probability is:

P = P1*P2 = (1/6)*(5/6) = 5/36.

But we also have the case where person 1 does not have a car, and person 2 does have one, then we have a permutation, and the actual probability is two times the obtained above.

P = 2*(5/36) = 10/36

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3 years ago
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timofeeve [1]
I think it’s D. Hope this helps
6 0
3 years ago
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