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Scrat [10]
3 years ago
14

The dance committee has a budget of $125 to decorate the gym for the spring dance. They have already spent $65. Some members wan

t to buy helium balloons that cost $0.80 each. Write an inequality to show the number of balloons that the dance committee could buy.
Mathematics
2 answers:
Georgia [21]3 years ago
6 0

Answer:60 balloons

Step-by-step explanation: 0.80 times 75 is 60 and 125- 65 is 60

-Dominant- [34]3 years ago
5 0

Answer:

60

Step-by-step explanation:

75 x 0.80 = 60

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You have two biased coins. Coin A comes up heads with probability 0.1. Coin B comes up heads with probability 0.6.However, you a
Andrews [41]

Answer:

The probability that our guess is correct = 0.857.

Step-by-step explanation:

The given question is based on A Conditional Probability with Biased Coins.

Given data:

P(Head | A) = 0.1

P(Head | B) = 0.6

<u>By using Bayes' theorem:</u>

P(B|Head) = P(Head|B) \times \frac{P(B)}{P(Head)}

We know that P(B) = 0.5 = P(A), because coins A and B are equally likely to be picked.

Now,

P(Head) = P(A) × P(head | A) + P(B) × P(Head | B)

By putting the value, we get

P(Head) = 0.5 × 0.1 + 0.5 × 0.6

P(Head) = 0.35

Now put this value in P(B|Head) = P(Head|B) \times \frac{P(B)}{P(Head)} , we get

P(B|Head) = P(Head|B) \times \frac{P(B)}{P(Head)}

P(B|Head) = 0.6 \times \frac{0.5}{0.35}

P(B|Head) = 0.857

Similarly.

P(A|Head) = 0.857

Hence, the probability that our guess is correct = 0.857.

7 0
3 years ago
A basketball-player scores a free-throw with probability 0.9. What is the probability that her first miss occurs on the 6th shot
-BARSIC- [3]

Answer:

Pr = 0.059049

Step-by-step explanation:

Given

p = 0.9 --- probability of scoring

Required

Probability that his first miss is his 6th shot

Let q represent the event that he did not score.

Using complement rule:

q = 1 - p = 1 - 0.9 = 0.1

The event that his first miss is his 6th is represented as:

p p p p p q ---- That he scoress the first 5 attempts

So, the probability is:

Pr = p^5 * q

Pr = 0.9^5 * 0.1

Pr = 0.059049

7 0
3 years ago
I put more points, sorry
Murljashka [212]

Answer:

I dont understand. It isnt clear on what they want you to do.

3 0
2 years ago
Given quadrilateral ABCD is congruent to Quadrilateral A'B'C'D', What is the measure of B'C'?
Vadim26 [7]
The measure of B’C’ is 18 inches
4 0
2 years ago
While shopping Marcy spent $59. If the amount she spent is 25% of her savings, how much savings did she have before she shopped
aliya0001 [1]

Answer:

Savings= $236

Step-by-step explanation:

Giving the following information:

Money spent= $59

Proportion of savings= 25% = 0.25

<u>To calculate the total savings before shopping, we need to use the following formula:</u>

Savings= money spent / proportion of savings

Savings= 59 / 0.25

Savings= $236

7 0
3 years ago
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