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zimovet [89]
3 years ago
6

From a standard 52 deck of cards, find the probability that you draw a heart on the first

Mathematics
2 answers:
Alex Ar [27]3 years ago
4 0

Answer:

0.004

Step-by-step explanation:

klasskru [66]3 years ago
4 0

Answer: 0.5

Step-by-step explanation:

There are 13 hearts. The chance of drawing a heart in your first draw is 13/52, or in other words 1/4

There are 13 diamonds. The chance of drawing a diamond on your second draw is 13/52, or in other words, 1/4

The chance of drawing a heart, replacing it, drawing a diamond, are 1/4*1/4=1/2.

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Find a + b + c + d.
Flura [38]

Answer:

a + b + c + d = 230

Step-by-step explanation:

So first, I am going to write down everything that I can find out from the picture.

a + b = 115

c + d + (180 - a) + (180 - b) = 360

Now, I can use a + b = 115 to simplify c + d + (180 - a) + (180 - b) = 360.

c + d + (360 - (a + b)) = 360

c + d + (360 - 115) = 360

c + d +245 = 360

c + d = 115

Now I know that:

a + b = 115

c + d = 115

Now I can find a + b + c + d

a + b + c + d = (a + b) + (c + d) = 115 + 115 = 230

a + b + c + d = 230

8 0
3 years ago
Read 2 more answers
How many hours would you have to ride your bike at 10 mi/h to burn 550 calories? (Per Minute)
vesna_86 [32]

Answer:

The  time spend to burn energy is 3300 minutes  .

Step-by-step explanation:

Given as :

The speed at which the bike ride = 10 miles per hours

The energy burn while riding = 550 calories

Let The time spend to burn energy = t minutes

So, According to question

Time spend = \dfrac{\textrm Energy burn}{\textrm rate of ride}

i.e t = \dfrac{550}{10} hours

∴  t = 55 hours

So, in minutes

The time spend

1 hours = 60 min

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So, The spend to burn energy = t  = 3300 minutes

Hence The  time spend to burn energy is 3300 minutes  . Answer

4 0
3 years ago
Is a line having no slope the same as it having a slope of 0?
Zanzabum
Yes it is the same as having no slope.
4 0
3 years ago
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Drew's weekly allowance is $8.00. C. the video game that drew and Jan want to buy cost $5.5. Write an expression to show how man
Ray Of Light [21]
Is that suppose to be 5.50
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3 years ago
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15 points and brainliest!<br><br> What is the solution for -10 -1<br> x &gt; -19
melomori [17]

Answer:

x=-11

Step-by-step explanation:

8 0
3 years ago
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