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Nikolay
8 days ago
15

1. Pada pertandingan sepak bola yang dilaksanakan sebanyak 20 kali, ternyata Tim Indonesia menang 12 kali, seri 6 kali dan kalah

2 kali. Berapakah peluang Tim Indonesia akan menang?
Mathematics
1 answer:
zzz [4K]8 days ago
7 0

Jawaban:

n(menang) = 6

n(seluruh) = 20

P(menang) = n(menang)/n(seluruh) = 6/20 = 3/10 atau 0,3 atau 30%

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Imagine that after washing 5 distinct pairs of socks, you discover that two socks are missing! of course, you would like to have
Zina [3914]
Part A:

Considering the best possible outcome

The ideal case occurs if the two missing socks are from the same pair.
Consequently, there are 4 complete pairs remaining.

To choose 2 from the total of 10 socks (5 pairs), the number of combinations is given by 10C2 = 45.

Choosing 2 that are from the same pair means selecting one from 5 pairs, so the count is 5C1 = 5.

Thus, the probability for this best case is 5 / 45 = 1 / 9.

Part B:

Considering the worst-case outcome

This scenario occurs when the two missing socks are from different pairs.
As a result, we have 3 complete pairs left.

The total ways to select 2 socks from 10, again, is 10C2 = 45.

To select 2 that do not belong to the same pair, we calculate as follows: 10C2 - 5C1 = 45 - 5 = 40.

Therefore, the probability for the worst-case scenario is 40 / 45 = 8 / 9.
5 0
2 days ago
Which statement is true about the graphed function
tester [3916]

From -∞ to -4 the blue line is situated above the X axis, indicating that it is >0

Between -4 and -3, the blue line is below zero


Thus, the correct answer is: F(x) > 0 over the interval (-∞,-4)

8 0
11 days ago
Read 2 more answers
A company buys pens at the rate of $7.50 per box for the first 10 boxes, $5.50 per box for the next 10 boxes, and $4.50 per box
tester [3916]

Let's start by calculating the cost of the first 10 boxes, which totals $75, and the next 10 boxes cost $55.

Together, these 20 boxes amount to $130 spent. With $18 remaining, you can purchase 4 more boxes since 18 divided by 4.5 equals 4.

Therefore, the maximum number of boxes you can buy with $148 is 24.

4 0
16 days ago
You’re working in a pharmacy, and are making a table to help with dosage amounts for a certain drug. The recommended dosage is 4
lawyer [4008]

Answer: Children who weigh 10 pounds require 12 teaspoons, those at 15 pounds need 18 teaspoons, and for 30 pounds, it is necessary to have 36 teaspoons.

Step-by-step explanation:

We have a recommended dose of 40 mg per 2.2 pounds of weight, given in three doses throughout the day every 8 hours.

Thus, for a single pound, the daily required dosage is calculated as \dfrac{40}{2.2}=18.18\ ml.

Each individual dose corresponds to \dfrac{18.18}{3}=6.06\ ml of the drug.

This means for one pound, the dosage needed per dose is 6.06 ml.

Thus, for 10 pounds, the calculation is 10 x 6.06 ml = 60.6 ml

To convert ml to teaspoons, knowing that 1 teaspoon equals 5 ml, we find: (60.6 ml ÷ 5) = 12.12 ≈ 12 teaspoons.

For a weight of 15 pounds, the drug requirement is 15 x 6.06 ml = 90.9 ml.

This translates to (90.9 ml ÷ 5) = 18.18 ≈ 18 teaspoons.

For the weight of 30 pounds, it is calculated as 30 x 6.06 ml = 181.8 ml.

Converting this gives us (181.8 ml ÷ 5) = 36.36 ≈ 36 teaspoons.

Therefore, children weighing 10 pounds need 12 teaspoons, those at 15 pounds require 18 teaspoons, and those at 30 pounds need 36 teaspoons.

7 0
10 days ago
superstore and cheap store are two supermarkets that sell boxes of the same type of cereal each supermarket has a special offer
tester [3916]

Answer:

Step-by-step explanation:

Cheapstore:

500p divided by 10 equals 50p, multiplied by 2 gives 100p or £1

£4 corresponds to 600g

Superstore:

600g divided by 10 results in 60g, which when multiplied by 3 yields 180g, added to 600g

£5 equals 780g

600 divided by 4 amounts to 150g for each pound

780 divided by 5 results in 156g for each pound

The box from the Superstore offers the best value

8 0
7 days ago
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