Suppose you choose a marble from a bag containing 4 red marbles, 2 white marbles, and 3 blue marbles. You return the first marble to the bag and thenchoose again. Find P(red and blue).
A. 4/3
B. 2/3
C. 7/9
D. 4/27

Answers

Answer 1

Answer: Your probality would be C. 7/9

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Equation for horizontal line at 0,-7

Answers

y=-7

there’s no slope so there’s no x

it’s just the y intercept which is -7

HELPPPPPPPP PLEASEEEE

Answers

Answer: 5

Step-by-step explanation: look at each one carefully, 8-3 is 5

Can someone please help me with this math question PLEASE HELP THIS IS URGENT

Answers

Answer:

(- 1, 4 )

Step-by-step explanation:

x = 1 is a vertical line passing through all points with an x- coordinate of 1

The point P(3, 4) is to units to the right of x = 1.

Hence the refection will be 2 units to the left of x = 1

P' = (1 - 2, 4 ) = (- 1, 4 )

What is the quotient of 22 and 7?
Is it 22/7 or 7/22? (division)

Answers

The quotient of 22 and 7 (22/7) would be 3 R 1

What is the 10th term of the geometric sequence 400, 200, 100...?

Answers

ANSWER

$a_ {10} = (25)/(32)$

EXPLANATION

The given geometric sequence is

400, 200, 100...

The first term is

$a_1=400$

The common ratio is

$r = (200)/(400) = (1)/(2)$

The nth term is

$a_n=a_1( {r}^(n - 1) )$

We substitute the known values to get;

$a_n=400( (1)/(2) )^(n - 1)$

$a_ {10} =400( (1)/(2) )^(10 - 1)$

$a_ {10} =400( (1)/(2) )^(9)$

$a_ {10} = (25)/(32)$

Chloe drives from her house to her grandma's house 53 miles away in an hour and 4 minutes. How fast was she driving on average?

Answers

Answer

49.67mph

Step-by-step explanation:

Data: 53 miles

1 hour 4 minutes.

Convert 4 minutes to hours:

4/60 = .067

Add like terms (hours)

1+ 0.067= 1.067

mph = m/h

mph = 53/1.067 = 49.67mph

The average speed of the car will be 49.67mph.

What is speed?

The speed is defined as the ratio of the time distance traveled by the body to the time taken by the body to cover the distance. The speed is a scalar quantity and does not require any direction to represent it.

Given that Chloe drives from her house to her grandma's house 53 miles away in an hour and 4 minutes. The speed will be calculated by using the formula below:-

Distance traveled = 53 miles

Time = 1 hour 4 minutes.

Convert 4 minutes to hours:

4/60 = .067

Add like terms (hours)

1+ 0.067= 1.067

Now the speed will be:-

Speed = Distance / Time

Speed = 53 / 1.067

Speed = 49.67 mph

Therefore, the average speed of the car will be 49.67mph.

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