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sladkih [1.3K]
3 years ago
10

Few Questions! NEED HELP PLEASE , CONFUSED!!

Mathematics
1 answer:
Firdavs [7]3 years ago
7 0
Multiples of 11 between 1 and 30:

11, 22

So there are 2 numbers that are multiples of 11 in the bin. There are a total of 30 cards, so the probability is written as 2/30. Or we can simplify it to 1/15.

For the next question:

There are a total of 3 + 8 = 11 balls in the bag.

The probability of choosing a red ball is 3/11.

The probability of choosing a green ball is 8/11.

Multiply the three fractions:

3/11 * 3/11 * 8/11 = 72/1331

So the probability is 72/1331.

For the last question:

A standard deck of cards has 52 cards.

There are 4 queens and 4 kings in the deck.

Probability of choosing a queen is 4/52, and the probability of choosing a king AFTER you already chose a queen is 4/51.

Multiply the two fractions:

4/52 * 4/51 = 16/2652

So the probability is 16/2652 or 4/663
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6n = 21 what is the answer<br>​
UkoKoshka [18]

Answer:

Decimal: n = 3.5

Fraction: n = 7/2

Step-by-step explanation:

6n = 21

n = 21/6

n = 7/2

n = 3.5

7 0
3 years ago
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There are 60 students in a speech contest. Yesterday, 2/3 of them gave their speeches. Today, 3/5 of the remaining students gave
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Answer:

2\3x60=40

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12+40=52

60-52=8

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3 years ago
Please help me by answering the following questions!!
gulaghasi [49]

Answer:

1. A number having 2, 3, 7 or 8 at unit's place is never a perfect square. In other words, no square number ends in 2, 3, 7 or 8. The number of zeros at the end of a perfect square is always even. In other words, a number ending in an odd number of zeros is never a perfect square.

2. Only those numbers, when squared will have 6 at their unit place are 4 and 6 Because 4×4 = 16 and 6×6 = 36(i dont know if this is what you were looking for)

3. the square root of 24336 consists of three digits and those digits are 156

Step-by-step explanation:

i am sorry my brain hurts lol, i will answer the 7 other questions later

8 0
3 years ago
Rex is currently taking physics as one of his electives in school. His grade at the end of the year is determined by
enyata [817]

Answer:

The answer is A) 98.

Step-by-step explanation:

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3 years ago
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-0.615, -5/8, -0.62 least to greatest
ludmilkaskok [199]

Answer:

-5/8,  -0.62, -0.615

Step-by-step explanation:

For -5/8, dividing -5 by 8 will result in -0.63, that's why it's the least (the farthest negative number from 0).

Next is -0.62

Since -0.615 isn't rounded up to the nearest hundredths, it is the greatest because it's closest to 0.

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