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lyudmila [28]
3 years ago
12

If two cards are drawn out of a deck WITH replacement, what's the probability that you draw a red card and then an Ace? ** Remem

ber P(A and B) = P(A) x P(B)
Question 10 options:

a.1/13


b.1/52


c.1/2


d.1/26
Mathematics
1 answer:
katen-ka-za [31]3 years ago
4 0

Answer:

Step-by-step explanation:

The probability of drawing a red card is 1/2, since half of the cards in a deck are red. The probability of drawing an ace from a deck is 1/13, since there is an equal chance to pick any of the 13 numbers.

P(red card and ace)= P(red card)*P(ace)=1/2 * 1/13=1/26

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Y^2-2y+1=x+5<br><br> Make y the theme of the formula in the equation
Tanzania [10]

Answer: y = 1 +/- \sqrt{x+5}

<u>Step-by-step explanation:</u>

y² - 2y + 1 = x + 5

(y - 1)² = x + 5

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

y - 1 = +/- \sqrt{x+5}

y = 1 +/- \sqrt{x+5}

7 0
4 years ago
T takes 46 minutes for 10 people to paint 3 walls.
Tasya [4]

Answer:

69 mins

Step-by-step explanation:

46/10=4.6 mins per wall

46/4=11.5 mins per wall

11.5 x 6=69

6 0
3 years ago
What is an equation of the line that passes through the point (2,−6) and is parallel to the line x−2y=8?
lorasvet [3.4K]

Answer:

y = x/2 - 7

Step-by-step explanation:

First, we need to find the slope of the given equation: x - 2y = 8

Subtract x from both sides

x - 2y = 8

- x        - x

-2y = 8 - x

Divide both sides by -2

-2y/-2 = (8 - x)/-2

y = -4 + x/2

The slope of this equation is 1/2

So the equation of our parallel equation is y = x/2 + b

We have to find b, so plug in the given coordinates

-6 = 2/2 + b

-6 = 1 + b

Subtract 1 from both sides

-6 = 1 + b

- 1    - 1

b = -7

Plug it back into the original equation

y = x/2 - 7

6 0
3 years ago
A survey showed that 35% of the students prefer plain white milk over chocolate milk. If the school has 1200 students. How many
vodomira [7]

Answer:

The number of students who prefer chocolate milk is 780 .

Step-by-step explanation:

Given as :

The total number of students in the school = 1200

The percentage of students who prefer plain white milk = 35 %

Let the number of students who prefer chocolate milk = x

Now, ∵ The percentage of students who prefer plain white milk = 35 %

∴ The percentage of students who prefer chocolate milk = 100 % - 35 % = 65%

So , As The number of  students who prefer chocolate milk = x

Or, 65 % of total number of students in school = x

So, x = \frac{65}{100} × 1200

or, x = \frac{65\times 1200 }{100}

∴  x = 780

So, the number of students who prefer chocolate milk = x = 780

And  students who prefer plain white milk = 1200 - x = 1200 - 780 = 420

Hence, The number of students who prefer chocolate milk is 780 . Answer

4 0
3 years ago
Confused on what to do
timurjin [86]

Answer:

the answer is jk

Step-by-step explanation:

5 0
3 years ago
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