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Mila [183]
3 years ago
6

What is the probability of drawing five face cards?

Mathematics
1 answer:
anastassius [24]3 years ago
4 0
Total number of cards = 52
Total number of face cards = 12

P( 5 face cards) = (12/52)(11/51)(10/50)(9/49)(8/48) = 33/108290


Answer: 33/108290
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Find the unit rate.<br> 130 feet in 6.5 seconds
madam [21]

Answer:

20 feet per second

Step-by-step explanation:

130/6.5 = 20

6 0
3 years ago
Laden bought 10 bags of small marbles and 8 bags of large marbles.There were 12 marbles in each bag.How many Marbles did Karen b
mihalych1998 [28]

Answer:

216 marbles bought altogether

Step-by-step explanation:

small m- 10

large m- 8

10×12+8×12=

120+96

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6 0
3 years ago
Read 2 more answers
Factor the polynomials 2x4+4x3+6x2?
Shalnov [3]

Answer:x^2+2x+3

Step-by-step explanation:

I’m assuming you meant 2x^4+4x^3+6x^2...

So you can pull out 2x^2 from all of the polynomials...

And this equation isn’t able to be simplified anymore. Hope this helps!

5 0
3 years ago
Please help me I will mark u as brainlyest answer
dsp73

Answer:

D, D, G, G,

Step-by-step explanation:

1st. Decay: This is decay because number being multiplied is less than 1.

2nd. Decay:This is decay because number being multiplied is less than 1.

3rd. Growth: This is growth because the number being multiplied is greater than 1.

4th.Growth:This is growth because the number being multiplied is greater than 1.

8 0
3 years ago
A N S W E R Q U I C K P L E A S E
chubhunter [2.5K]

Answer:

1. A

2. D

3. D

Step-by-step explanation:

The standard form of a parabola is

y=\frac{1}{4p}(x-h)^2+k            ..... (1)

Where, (h,k) is vertex, (h,k+p) is focus and y=k-p is directrix.

1. The directrix of a parabola is y=−8 . The focus of the parabola is (−2,−6) .

k-p=-8                   ...(a)

(h,k+p)=(-2,-6)

k+p=-6            .... (b)

h=-2

On solving (a) and (b),  we get k=-7 and p=1.

Put h=-2, k=-7 and p=1 in equation (1).

y=\frac{1}{4(1)}(x-(-2))^2+(-7)

y=\frac{1}{4}(x+2)^2-7

Therefore option A is correct.

2 The directrix of a parabola is the line y=5 . The focus of the parabola is (2,1) .

k-p=5                   ...(c)

(h,k+p)=(2,1)

k+p=1            .... (d)

h=2

On solving (c) and (d),  we get k=3 and p=-2.

Put h=2, k=3 and p=-2 in equation (1).

y=\frac{1}{4(-2)}(x-(2))^2+(3)

y=-\frac{1}{8}(x-2)^2+3

Therefore option D is correct.

3. The focus of a parabola is (0,−2) . The directrix of the parabola is the line y=−3 .

k-p=-3                   ...(e)

(h,k+p)=(0,-2)

k+p=-2            .... (f)

h=0

On solving (e) and (f),  we get k=-2.5 and p=0.5.

Put h=0, k=-2.5 and p=0.5 in equation (1).

y=\frac{1}{4(0.5)}(x-(0))^2+(-2.5)

y=\frac{1}{2}(x)^2-2.5

y=\frac{1}{2}(x)^2-\frac{5}{2}

Therefore option D is correct.

5 0
3 years ago
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