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Molodets [167]
2 years ago
11

Please Help Me Answer These Question Need Help With Question 2 And 3

Mathematics
1 answer:
3241004551 [841]2 years ago
5 0

Answer:

2. 9

Step-by-step explanation:

Plug in 20 for the perimeter the, subtract 2 which gets you 18 and divide by 2 and you get 9

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Solve for y. y - 4 = -3(x - 3)​
Doss [256]

Answer:

y=-3x+13

Step-by-step explanation:

y- 4 = -3(x - 3)​

y-4=-3x+9

y=-3x+13

6 0
3 years ago
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wai and kuri were digging in the sand at the beach. wai dug a hole that was 15 inches below the surface and kuri dug a hole that
xxTIMURxx [149]

Answer: Wai's hole is 6 inches deeper. (-6)

Step-by-step explanation:

15 minus 9  is equal to 6 so the difference is negative 6 inches

7 0
3 years ago
This is an arithmetic sequence -4, 1, 6, 11...<br> For y = mx + b, m is <br> and b is
Liono4ka [1.6K]

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it is an arithmetic sequence

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7 0
2 years ago
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Which of the pairs of events below is mutually exclusive?
Nady [450]

Answer:

Drawing an ace of spades and then drawing another ace of spades without replacement from a standard deck of cards.

Step-by-step explanation:

Given four pair of events:

1. Drawing an ace of spades and then drawing another ace of spades without replacement from a standard deck of cards

2. Drawing a 2 and drawing a 4 with replacement from a standard deck of cards

3. Drawing a heart and then drawing a spade without replacement from a standard deck of cards

4. Drawing a jack and then drawing a 7 without replacement from a standard deck of cards

To find:

Which of the pairs is mutually exclusive?

Solution:

First of all, let us have a look at the definition of mutually exclusive events.

Mutually exclusive events do not have any case in common.

In other words, two events are known as mutually exclusive when both the events can not occur at the same time.

Now, let us have a look at the given options one by one:

1. Drawing an ace of spades and then drawing another ace of spades without replacement from a standard deck of cards.

We know that there is only one ace of spades in a standard deck.

Therefore, the two events can not occur one after the other, so these are mutually exclusive events.

2. Drawing a 2 and drawing a 4 with replacement from a standard deck of cards.

The two events can occur one after the other, so these are not mutually exclusive.

3. Drawing a heart and then drawing a spade without replacement from a standard deck of cards.

Separate cards are drawn one after the other, so not mutually exclusive.

4. Drawing a jack and then drawing a 7 without replacement from a standard deck of cards.

Separate cards are drawn one after the other, so not mutually exclusive.

3 0
3 years ago
Factor 30b2 + 48b - 24
iogann1982 [59]
IM going to assume that the "2" is to be squared. If so, then the answer is 2(15x^2+8)
6 0
2 years ago
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