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olya-2409 [2.1K]
3 years ago
7

If a card is drawn at random from a​ well-shuffled deck, is getting a diamonda diamond independent of the card colorcard color l

eft parenthesis red or black right parenthesis question mark (red or black)? explain.
Mathematics
1 answer:
liraira [26]3 years ago
6 0
You should ask your parent/guardian
 or teacher if needed! Merry Christmas!
You might be interested in
PLEASE HELP!!
slava [35]

Answer:

99   (cm^2)

Step-by-step explanation:

Perpendicular to the AB segment at points D and C, the graph is divided into two triangles and a rectangle.

The area of the middle rectangle is equal to 8*9=72. The hypotenuse of the right triangle is 10cm, and one of the right sides is 9cm, so the other side is SQRT (10^2-9^2) = SQRT (19).

One side of the left triangle is 9cm long and the other side is 14-8-sqRT (19) = 6-sqRT (19) cm.

Then, add the area of the three parts.

72+9*sqrt(19)/2+9*(6-sqrt(19))/2=99    (cm^2)

4 0
3 years ago
Which equation represents the hyperbola in general form?
valina [46]

ANSWER

D.

9 {y}^{2}  - 4 {x}^{2}- 36y + 16x - 16 = 0

EXPLANATION

The standard equation of the hyperbola is

\frac{ {(y - 2)}^{2} }{4}  -  \frac{ {(x - 2)}^{2} }{9}  = 1

We multiply through by 36 to obtain:

9 {(y - 2)}^{2}  - 4( {x - 2)}^{2}  = 36

We now expand to get,

9( {y}^{2}  - 4y + 4) - 4( {x}^{2}  - 4x + 4) = 36

Expand :

9 {y}^{2}  - 36y + 36  - 4 {x}^{2}  + 16x - 16 = 36

To get the general form, we equate everything to zero to get,

9 {y}^{2}  - 4 {x}^{2}- 36y + 16x - 16 = 0

The correct choice is D.

7 0
3 years ago
Find the solution(s) to the equation sin(x/2) + cos x - 1 = 0 on the interval 0 less than or equal to x 2pie
quester [9]

Answer:

A: 0

B: pi/3

E: 5pi/3

Step-by-step explanation:

8 0
3 years ago
Write a rule for each sequence. Find the next three terms.<br><br> 8,14,20,26
anastassius [24]
Aruthmetic sequene is
an=a1+(n-1)d
where d=common difference between terms
adds 6 every time
d=6
first term is 8
a1=8
8+6(n-1)
distribute
8+6n-6
8-6+6n
2+6n is answer
8 0
3 years ago
Use a trigonometric ratio to find the value of x. Round your answer to the nearest<br> tenth.
belka [17]

Answer:

x=63.256%   63.3-rounded to the nearest tenth.

Step-by-step explanation:

8 0
3 years ago
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