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lyudmila [28]
3 years ago
6

A card is randomly drawn from a deck of cards. (There are 52 cards in a deck, with 13 cards of each suit.) You record the follow

ing results for the experiment.
Hearts Clubs Spades Diamonds
Times Drawn 28 32 18 22
Which of the following are true?


The experimental probability of drawing a club is 32%.
The theoretical probability of drawing a diamond is 25%.
Based on the experimental probability, there would be 90 spades drawn in 500 trials.
Based on the theoretical probability, there would be 120 hearts drawn in 500 trials.
Mathematics
2 answers:
VikaD [51]3 years ago
7 0
I got the first option 
lyudmila [28]3 years ago
3 0
I believe it would be the first option but I'm not sure.
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A system of two equations is shown below. What will you need to multiply the
irga5000 [103]

Answer:

the right answer is : -3

Step-by-step explanation:

\left \{ {{x+y=4} \atop {3x+4y=14}} \right. \\\left \{ {{-3(x+y)=-3*4} \atop {3x+4y=14}} \right. \\\left \{ {{-3x-3y=-12} \atop {3x+4y=14}} \right. \\\left \{ {{-3x-3y+3x+4y=2} \atop {3x+4y=14}} \right. \\\left \{ {{-3y+4y=2} \atop {3x+4y=14}} \right. \\\left \{ {{y=2} \atop {3x+4*2=14}} \right. \\\left \{ {{y=2} \atop {3x=14-8=6}} \right. \\\left \{ {{y=2} \atop {x=\frac{6}{3}=2 }} \right.

3 0
3 years ago
M&lt;1=115<br> M&lt;2<br> Could y’all give answers for all though
Makovka662 [10]

Answer:

1) m<2 = 115°

2) m<5 = 83°

3) m<8 = 45°

4) m<4 = 137°

Step-by-step explanation:

When two lines cross over each other, creating four angles, the opposite angles are equal.

So in question one, <1 is equal to <2, the angle opposite it, and so it is 115°.

Similarly, in question two, <5 = <6 = 84°.

In question three, <8 = <9 = 45°.

and in question four, <3 = <4 =137°.

3 0
3 years ago
Read 2 more answers
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