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Sergio [31]
3 years ago
8

I WILL MARK BRAINIEST Give the arrow notation for a 270° rotation

Mathematics
1 answer:
Lelechka [254]3 years ago
3 0

Convert from degrees to radians using the ratio  

π/180.  3aπ/2   radians

is this what you need?

or 90 degress

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a standard deck of cards missing the queen of hearts in the 2 of clubs what is the probability of pulling either an ace or a spa
Butoxors [25]
<h3>Answer:  8/25</h3>

=======================================================

Explanation:

In a standard deck, there are 52 cards.

If this deck is missing the queen of hearts and 2 of clubs, then we really have 52-2 = 50 cards in the deck.

There are 4 aces and 13 spades. Those values add to 4+13 = 17, but we need to subtract off 1 to account for the ace of spades counted twice. We have 17-1 = 16 cards that are either an ace, a spade, or both.

Or you can think of it like saying 13 spades + 1 ace of hearts + 1 ace of diamonds + 1 ace of clubs = 16 cards total.

-----------------

The event space has A = 16 cards in it, while the sample space has B = 50 cards.

The probability we're after is A/B = 16/50 = 8/25

5 0
2 years ago
Negative decimals on a number line 4
nekit [7.7K]

Answer:

b

Step-by-step explanation:

its closest to -.9 so it has to be that one

4 0
2 years ago
Read 2 more answers
Simplify the power of i^15
TiliK225 [7]

Answer:

this cant be simplified unless you have an integer in place of "i"

4 0
3 years ago
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The sum of the measures of the angles of a triangle is 180. The sum of the measures of the second and third angles is five times
mafiozo [28]
  • Answer:

<em>a = 30°</em>

<em>b = 70°</em>

<em>c = 80°</em>

  • Step-by-step explanation:

<em>Hi there ! </em>

<em />

<em>a ; b ; c = angles</em>

<em>a + b + c = 180°</em>

<em>b + c = 5a</em>

<em><u>replace (b + c)</u></em>

<em>a + (b + c) = 180</em>

<em>a + 5a = 180</em>

<em>6a = 180</em>

<em>a = 30°</em>

<em />

<em>b + c = 180 - a</em>

<em>b + c = 150</em>

<em>c = b + 10</em>

<em><u>replace c</u></em>

<em>b + (b + 10) = 150</em>

<em>2b = 150 - 10</em>

<em>2b = 140</em>

<em>b = 70°</em>

<em>c = b + 10</em>

<em>c = 80°</em>

<em>Good luck !</em>

3 0
3 years ago
1 2 points What quadrant number will this order pair (-4,-5) appear in? O Quadrant 4 Quadrant 1 Quadrant 3 O Quadrant 2.​
Savatey [412]

Quadrant 3

Since both the x and y are negative, it will be in the third quadrant.

7 0
3 years ago
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