A bag contains 5 black marbles and 4 white marbles. A spinner has 3 equal sections labeled 1 through 3. What is the probability of drawing a black marble from the bag and spinning a 1 on the spinner?

Answers

Answer 1

Answer: $5+4=9 \leftarrow \text{marbles in total}$

$\text{The probability of drawing a black marble is } (5)/(9)$

$\text{The probability of spinning a 1 is } (1)/(3)$

$\text{The probability of both is } (5)/(9)\cdot(1)/(3)=(5)/(27)$

Related Questions

by using the quadratic equation.
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Leslie has two cups containing different colored paper clips. The first cup contains 7 pink paper clips and 3 blue paper clips. What is the probability that Leslie will randomly select a blue paper clip from the first cup and then randomly select an orange paper clip from the second cup
mr. Hightower recorded the amount of each project that had been completed at the end of the week. the line plot describes the information he record ed. what fraction of the projects were 3/4 complete?
For questions 1 and two find the volume of the given prism. Round to the nearest tenth if necessary.

What’s the volume of this rectangular prism? base 1/5cm height 10/3cm length 4/5cm

Answers

Answer:

53/100cm^2 (0.53cm^2)

What fraction has the greatest valie: 1/3; 3/10; 1/4; 2/12

Answers

Answer: 1/3 has the greatest value. hope this helped!!

Step-by-step explanation:

The cost of 2 tv and 3 DVD player is $1421. The cost of 1 dvd is half of the tv. What's the cost of the tv

Answers

The cost of one tv is double than cost of one DVD;

The cost of 2 tv is 4 times more cost one DVD ;

The cost of 2 tv and 3 DVD player is 7 times more cost one DVD ;Then, 1 DVD cost 1421 ÷7 = 201 $ ;
1 tv cost = 2 * 201 = 402 $ ;

Final answer:

To solve the problem, you set up two equations based on the information given. Then, you substitute one equation into the other to solve for the cost of the TV, which comes out to be approximately $405.43.

Explanation:

To answer this question, you need to use algebra. We can create two equations based on the information given. Let's say the cost of a TV is x and the cost of a DVD player is y. According to the problem, we have two equations:

2x + 3y = $1421 (This comes from the total cost of the 2 TVs and 3 DVD players)
y = 0.5x (This comes from the fact that the cost of a DVD player is half the cost of a TV)

We can then substitute the second equation into the first to get:

2x + 3(0.5x) = $1421
2x + 1.5x = $1421
3.5x = $1421

To find the cost of the TV 'x', you can divide both sides of the last equation by 3.5 resulting in x = $405.43. So the cost of one TV is approximately $405.43.

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What is the surface area of the composite solid?(Picture 1)

A. 119 m2
B. 146 m2
C. 162 m2
D. 174 m2

Answers

Hence surface area of figure is option d-174 $m^(2)$

What is surface area ?

The surface area of an object is the entire area filled by its surfaces. Varying 3D shapes have different surface areas in geometry, which may readily be determined using the formulas we'll learn in this lesson. The surface area is divided into two groups lateral and total.

How to solve ?

the figure contains 3 , 3-d figures

one cube-3 m each,

1 cuboid-legth-9 m,height-3m-breadth-2 m,

1 cuboid- length-5 m, breadth-2m,height-2 m

hence surface area of 3 figures=

cube= $6x^(2)$ =24 $m^(2)$

cuboid=2(lb+bh+hl)=2(10+4+10)=48 $m^(2)$

cuboid=2(lb+bh+hl)=2(18+6+27)=102 $m^(2)$

add all we get =174 $m^(2)$

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Answer:

Correct answer is C. 162 m2

Step-by-step explanation:

The graph of a line passes through the points (0, -2) and (6.0). What isthe equation of the line?

Answers

Answer:

$y=(1)/(3)x-2$

Step-by-step explanation:

The equation of a line is given in the form $y=mx+b$

Where

m is the slope with formula $m=(y_2-y_1)/(x_2-x_1)$

and

b is the y-intercept [y axis cutting point of line]

Given the two points (0, -2) and (6,0),

x_1 = 0

y_1 = -2

x_2 = 6

y_2 = 0

Now, we find m using formula:

$m=(0+2)/(6-0)=(1)/(3)$

Now we have

$y=(1)/(3)x+b$

Finding b, we plug in any (x,y) point. Lets put (6,0) and find b:

$y=(1)/(3)x+b\n0=(1)/(3)(6)+b\n0=2+b\nb=-2$

Thus,

equation of line = $y=(1)/(3)x-2$

Of the 800 people at the concert, 42% of them are teenagers. How many teenagers are at the concert?

Answers

Answer:

There are 336 teenagers in the concert. Please Mark me brainliest if I am correct thank you and have a nice day.

Step-by-step explanation:

Answer: 336 teenagers

Step-by-step explanation: 42 percent = 21/50.

21/50 times 800 = 336!