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nasty-shy [4]
3 years ago
9

a) If four cards are drawn from a standard deck of 52 cards and ARE replaced, what is the probability of getting at least one he

art? b) If the cards are NOT replaced, what is the probability of getting at least one heart? *
Mathematics
1 answer:
Vlad [161]3 years ago
5 0

Answer:

The answer is B

Step-by-step explanation: because if you divide 52 by 2 and pick out the hearts then divide the hearts to get your answer


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A man on the fifth floor of a building shouts down to a person on the street. If the angle of elevation from the street to the m
AleksandrR [38]

Answer: 57 ft

Step-by-step explanation: Because drawing it up, we can make a right angled triangle with the right angle between the height of the man in the building and the distance out from the building of the man in the street, and the 35 degrees between the line connecting the man in the street with the man in the building, and the line out from the building of the man in the street. Then, tan of the 35 degree angle is = to opposite (40ft)/adjacent (to solve for). By cross multiplication, the A or adjacent (dist out from the building) = 40/0.7 (0.7 = tan of 35 degrees) so the answer is 57 ft. 

3 0
3 years ago
Read 2 more answers
Will mark brainlist for anyone who answers these parts correctly and properly showed their work.
dalvyx [7]

Answer:

The rise is -5 the run is 4

Step-by-step explanation:

Slope (m) =

ΔY

ΔX

=

-5

4

=

-1.25

θ =  

arctan(

ΔY

) + 360°

ΔX

=

308.65980825409°

ΔX = 2 – -2 = 4

ΔY = -1 – 4 = -5

Distance (d) = √ΔX2 + ΔY2 = √41 = 6.4031242374328

Equation of the line:

y = -1.25x + 1.5

or

y =  

-

5

x

4

+  

3

2

When x=0, y = 1.5

When y=0, x = 1.2

Please give brainliest PLZPLZ

I really hope this helps have a beautiful day

3 0
3 years ago
Jerry bought 6.95 lbs of cherry and lime jelly beans for his birthday party. If 1.75 lbs were cherry flavor, how many pounds wer
cricket20 [7]
You would have 5.2 pounds of lime flavor 
since
6.95-1.75=5.2

HOPE THIS HELPS
8 0
3 years ago
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The scale factor of figure JKLMN to figure PQRST is 3:2. If KL = 9 cm and MN = 15 cm, what is the length of side QR?
Alecsey [184]
The length of side QR is 6 cm
5 0
3 years ago
Please help. 2/3 (x - 6) = 6
vagabundo [1.1K]

Answer:

6=6

Step-by-step explanation

if 2/3x=10

therefore

x=3/2x10

x=15

substitute x with 15

2/3 (15 - 6)=6

2/3(9)=6

6=6

6 0
3 years ago
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