A jar contains 3 blue marbles and 6 red marbles. Suppose you choose a marble at
random and do not replace it. Then you choose a second marble. Find the probability of
both of the marbles you select are red.

Select the correct answer
A: 1/18
B: 5/12
C: 1/3

Answer:

Number of red beads = 6

Number of blue beads = 15

Step-by-step explanation:

Number of total beads = 21

Ratio of red beads to the blue beads = 2 : 5

Therefore, number of red beads I have = [tex]\frac{2}{2+5}(\text{Total number of beads})[/tex]

                                                                  = [tex]\frac{2}{7}\times 21[/tex]

                                                                  = 6 beads

Number of blue beads = [tex]\frac{5}{2+5}\times (21)[/tex]

                                      = [tex]\frac{5}{7}\times 21[/tex]

                                      = 15 beads

Therefore, number of red beads = 6

And number of blue beads = 15

Answer:

5 (x - 2)

Step-by-step explanation:

1. Factor by grouping

5 (x - 2)

This is the answer.

I hope this helps      :)

Answer:

He has 76 pages left

Answer:

x = 1

Step-by-step explanation:

it's because it is an isosceles triangle

Answer:

x = 1

Step-by-step explanation:

8x + 5 = 2x + 11      (since ∠D = ∠E, triangle is isosceles)

combine like terms:

6x = 6

x = 1

Answer:

Step-by-step explanation:

[tex]y^2=10-x^2\\ \\ 0=10-\sqrt{10}^2\\ \\ 0=10-10\\ \\ 0=0\\ \\ (\sqrt{10},\ 0)[/tex]

Answer:

The answer isn't there

Step-by-step explanation:

We can divide the figure into a rectangle and triangle and add the areas. The area of the rectangle would be length times width: 14 × 12 = 168. The area of a right angled triangle is [tex]\frac{ab}{2}[/tex], where a and b are both legs. a=12 and b=8, so the area would be [tex]\frac{12*8}{2}[/tex] which equals [tex]\frac{96}{2}[/tex], which is 48. Then we add both the areas, 168 + 48 = 216

40 seventh-graders are expected to attend summer camp.

Because

6/30=x/200

6/30= 6 divided by 30= 0.2

0.2x200=40

Answer: -v^2 + 8v + 401

Step-by-step explanation:

Answer:

The answer is 0

Hope this helps!

Answer:

0

Step-by-step explanation:

please brainliest

72/9 - 1 x 2^3

8 - 8

= 0

Answer:

Is a or c

Step-by-step explanation:

step- by- step explanation

Answer:x>-3

Step-by-step explanation:

Step-by-step explanation:

la respuesta es -12 pero le puedes sacar la mitad osea -6

Answer:

28/6 yeah thats right wasp

Answer:

Step-by-step explanation:

Answer:

En una semana gastará 705,6 litros.

Step-by-step explanation:

Con la información proporcionada, puedes calcular cuánta agua gastará por día usando una regla de tres teniendo en cuenta que un día tiene 24 horas y estas equivalen a 1440 minutos. Además, puedes convertir los 700 ml a litros, considerando que 1 litro son 1000 mL, lo que significa que los 700 mL equivalen a 700/1000=0,7 Litros.

 10 min    →  0,7 L

1440 min →       x

x=(1440*0,7)/10

x=100,8 L

Ahora que conoces la cantidad de agua que gastará por día, puedes multiplicar esta cantidad por 7 que es el número de días en una semana:

100,8*7=705,6 L

De acuerdo a esto, la respuesta es que en una semana gastará 705,6 litros.

Answer:

10% Change

10% increase

Step-by-step explanation:

Hope this helps!

(percent) of its value 24.4

Answer:

6.37532246E18

Step-by-step explanation:

Answer: You would need at least 5 arrangements to make Blooms a better deal

Step-by-step explanation:

Petals Plus

y= 35.17x+67

Blooms

y= 25.03x+108

35.17x+67 =25.03x+108

10.14x= 41

x= 4.05

Answer: 165 miles

Step-by-step explanation:

Answer:

The correct answer is A(-3,-5)

Answer: There are 3 even numbers on the cube. There are 2 sides to a coin. there is a 1/2 chance of the cube landing on an even number. There is a 1/2 chance of the coin landing on tails.

There is a 1/4 chance of these events occurring together.

Answer:

Here's a screenshot. Hope this helps

Answer:

i think

]-infinte,1[u]1,+infinte[

Answer:

look at the picture i sent.......

Answer and Step-by-step explanation:

10 and 20 are the initial amounts, so they don't get a variable. The 3 dollars and 2 dollars every mile gets the variable since the occur every mile.

The equations are:

Blank 1: 3x + 10

Blank 2: 2x + 20

To find when they are equal, we equal the equations together.

3x + 10 = 2x + 20

x = 10

Plug 10 into either equation and solve.

Blank 3: 10 (At 10 miles, the equations are equal)

Blank 4: $40 (The will equal $40)

I hope this helps!

#teamtrees #PAW (Plant And Water)

Answer:

14 hours

Step-by-step explanation:

Answer:

14 hours a month

Step-by-step explanation:

Answer:

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Answer:

y=[tex]\frac{-5}{6}[/tex]x+14[tex]\frac{5}{6}[/tex]

Step-by-step explanation:

The equation of a line is y=mx+b

to find the equation of the line you need its gradient(m) and its y intercept(b)

the gradient is

[tex]\frac{y1-y2}{x1-x2}[/tex]  

y1= the y value of the first point which is -9

y2=the y value of the second point which is -4

x1=the x value of the first point which is 7

x2=the x value of the first point which is 1

then input the values into the equation

[tex]\frac{(-9)-(-4)}{(7)-(1)}[/tex]

=[tex]\frac{-9+4}{6}[/tex]

=[tex]\frac{-5}{6}[/tex]

to find the y just times the x by the gradient and then minus it from the y

-9-(7 x [tex]\frac{-5}{6}[/tex])=14[tex]\frac{5}{6}[/tex]

making the equation y=[tex]\frac{-5}{6}[/tex]x+14[tex]\frac{5}{6}[/tex]

Answer:

no

Step-by-step explanation:

The sum of the angles of a triangle must be equal to 180

50+65+70

185

This is not equal to 180 so it does not make a triangle

Answer:

the slope of the line is 2/3x

Step-by-step explanation:

i hope this helps :)