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Naya [18.7K]
3 years ago
9

We have 6 face red cards (JQK x 2) and 16 black cards, so a total of 22 cards.The red face cards and the black cards numbered 2-

9 are put into a bag. Four cardsare drawn at random without replacement. Find the following probabilities:
a) All 4 cards are red
b) 2 cards are red and two cards are black
c) At least one of the red cards is red.
d) All four cards are black
Mathematics
1 answer:
In-s [12.5K]3 years ago
5 0

Answer:

I dont know

Step-by-step explanation:

only doing it for points

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Increase 220kg by 12.5%
Sidana [21]

Answer:

247.5kg

Step-by-step explanation:

u find 12.5% of 220, then add it

220*12.5% =27.5

220+27.5=247.5

3 0
3 years ago
How to find slope when giving two equations that equal each other?
9966 [12]

slope formula.:

m = (y_2 - y_1) / (x_2 - x_1)

so you just need two points from whatever function you have

Or if you already have the function formula, then just the number of the first term (if your function is this: y=ax^2 + bx + c then the a is the slope)

Hope this helps!

4 0
3 years ago
Please help with this question
svetlana [45]

Answer:

Segment JK is a chord in circle H

Line LM is a secant to circle H

Step-by-step explanation:

* Lets revise some definition in the circle

- The radius of the circle is a line segment drawn from the center of  

 the circle to a point on the circumference of the circle

- The chord of a circle is a line segment whose endpoints lie on the

 circumference of the circle

- The secant is a line intersect the circle in two points

- The tangent is a line touch or intersect the circle in one point

* Now lets solve the problem

- In circle H

∵ JK is a segment in circle H

∵ Point J lies on the circumference of circle H

∵ Point K lies on the circumference of circle H

∴ Segment JK is a chord in circle H

∵ LM is a line

∵ LM intersect circle H in two points L and M

∴ Line LM is a secant to circle H

4 0
3 years ago
find the three consecutive odd integers such that the sum of the smallest and four times the largest is 61.
Fiesta28 [93]
I believe that the answer is 9,11,13
6 0
4 years ago
The price of a denim shirt at a shop is £9.60 On special offer day, there is 1/3 off the normal price. Billy has £13 Has he enou
joja [24]

Answer: Yes he does.

Step-by-step explanation:

The shirt costs £9.60 and is on discount by 1/3.

1/3 = 0.3333

The discounted price is therefore:

= 9.60 * (1 - 0.3333)

= £6.43

The price of two shirts is:

= 6.43 + 6.43

= £12.86

Billy has £13 which is above the price of two so he will be able to buy 2 shirts.

6 0
3 years ago
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