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KATRIN_1 [288]
3 years ago
8

One red marble, two white marbles, and three blue marbles are in a bag. Two marbles are drawn from the bag WITHOUT replacement.

What is the probability that both marbles are blue?
Mathematics
1 answer:
castortr0y [4]3 years ago
8 0

Answer:

1 in 5 (25% chance)

Step-by-step explanation:

The probability of choosing a blue marble the first time is 1 in 2, and then choosing it again would be 2 in 5, and 1:2 times 2:5 = 2:10. there is a 20% chance, or 1 in 5 chance, that a blue marble is drawn.

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You are running a concession stand at a basketball game. You are selling hot dogs and sodas. Each hot dog costs $1.50 and each s
DochEvi [55]

Answer:

<u>x= 35 hot dogs</u>

<u>y= 52 soda</u>

Step-by-step explanation:

x= hot dogs

y= soda

Total sold

1 x + 1 y = 87 .............1

2 x 0.50 y = 78.50 .............2

Eliminate y

multiply (1)by -0.50

Multiply (2) by 1.00

-0.50 x -0.50 y = -43.50

2 x + 0.50 y = 78.50

Add the two equations

1 x = 35.00

/ 1

x = 35.00

plug value of x in (1)

1 x + 1 y = 87

35 + y = 87

y = 87 -35

y = 52

y = 52.00

x= 35 hot dogs

y= 52 soda

6 0
3 years ago
What is the value of e in the equation below ?<br><br> 7(2e-1)-11=6+6e=
IrinaK [193]
14e-7=6+6e=8e=24=e=3
5 0
3 years ago
Name 4 decimals whose sum is 2.35
Sever21 [200]

Answer:

The values of 4 decimals whose sum is 2.35 will be:

  • a\:=\:.35
  • b=.68
  • \:c=.81
  • d=0.51

Step-by-step explanation:

Name 4 decimals whose sum is 2.35

Let us consider that

  • a be first decimal
  • b the second decimal
  • c be the third decimal
  • d be the fourth decimal

According to the condition, we have to determine

a\:+\:b\:+\:c\:+\:d\:=\:2.35

As we have to name 4 decimals whose sum is 2.35.

So, taking the certain values of a, b, c and d as

a\:=\:.35

b=.68

\:c=.81

d=0.51

The sum of a, b, c and d will be:

0.35+0.68+0.81+0.51=2.35

Putting the values of a, b, c and d in the equation a\:+\:b\:+\:c\:+\:d\:=\:2.35.

a\:+\:b\:+\:c\:+\:d\:=\:2.35

0.35+0.68+0.81+0.51=2.35

2.35 = 2.35

Therefore, the values of 4 decimals whose sum is 2.35 will be:

  • a\:=\:.35
  • b=.68
  • \:c=.81
  • d=0.51

Keywords: decimal, sum

Learn more about decimal sum from brainly.com/question/14500716

#learnwithBrainly

3 0
3 years ago
What is the solution of the system of equations?<br> 4x-8y=0<br> 5x+2y=6
katrin [286]

Answer:

x=1,

y=1/2

Step-by-step explanation:

    4x-8y=0

 so     4x=8y

            x=2y

   5x+2y=6

because x=2y

so:

  5x+x=6

      6x=6

         x=1;

then

        x=2y

        1=2y

       y=1/2

7 0
4 years ago
Jenny used her credit card to buy a refrigerator with a base cost of $824. The refrigerator consumed an average of $0.09 in elec
eimsori [14]
I think the answer is A) $1,528.47.
5 0
4 years ago
Read 2 more answers
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