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dexar [7]
3 years ago
11

Deepak randomly chooses two marbles from the bag, one at a time, and replaces the marble after each choice. What is the probabil

ity he will choose one green marble and then one red marble? Express the probabilities in fraction form.
Mathematics
2 answers:
KIM [24]3 years ago
8 0

it depends how many other colors there are?

Pani-rosa [81]3 years ago
7 0

Answer:

P(green) =  5/14

P(red) =  2/14

P(green and red) =  5/98

Step-by-step explanation:

e2020

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A Rectangular has area 12a^2 and perimeter 14a what are the dimensions of this Rectangular?​
Nataliya [291]

9514 1404 393

Answer:

  3a by 4a

Step-by-step explanation:

For dimensions L and W, the area and perimeter are ...

  A = LW = 12a^2

  P = 2(L+W) = 14a

Using the second equation, we can find L:

  L +W = 7a . . . . . divide by 2

  L = 7a -W

Substituting into the area formula gives the quadratic ...

  (7a -W)(W) = 12a^2

  W^2 -7aW +12a^2 = 0 . . . . arrange in standard form

  (W -3a)(W -4a) = 0 . . . . . . . factor (find factors of 12 that total 7)

Then we have the two solutions ...

  W = 3a, L = 4a

  W = 4a, L = 3a

The rectangle dimensions are 3a by 4a.

5 0
3 years ago
A salesman is carrying a big bag for selling a machine. In addition to the machine that the salesman wants to sell, there is som
stira [4]

The total weight of the bag that the salesman is carrying for selling a machine including some personal stuff is 13.9 Kg.

<h3>What is a fraction?</h3>

A fraction is a rational number that consists of a numerator and a denominator, used to represent a part of the whole thing.

<h3>Calculation:</h3>

It is given that,

A salesman is carrying a big bag for selling a machine.

Consider the weight of the machine = w

So,

The weight of his machine is three kilograms and half a machine. I.e.,

w = 3kg +w/2

⇒ w/2 = 3kg

∴ w = 6kg

Thus, the weight of the machine is 6 Kg.

So, the weight of the repair tool for the machine = a half kilogram and one-fourth of the machine

⇒ 1/2Kg + 1/4w

⇒ 1/2 + 6/4

⇒ 2 Kg

The personal stuff weighs - four kilograms minus a fourth of the weight of the machine.

⇒ 4Kg - w/4

⇒ 4 - 6/4

⇒ 2.5 Kg

He has some supplies that weigh two-fifth of the machine and personal stuff combined.

⇒ 2/5(w + 2.5)

⇒ 2/5 × 8.5

⇒ 3.4 Kg

Thus, the total weight of the bag = 6 Kg + 2 Kg + 2.5 Kg + 3.4Kg =  13.9Kg.

Therefore, the total weight of the salesman's bag is 13.9 Kg.

Learn more about fractions here:

brainly.com/question/78672

#SPJ4

7 0
1 year ago
What is the area in square yards of Kev's field of winter squash? If you have 96ft and 345 ft. Remember to first convert feet to
faltersainse [42]
The answer is 11040 square yards because you have to convert the answer into yards so yeah
5 0
3 years ago
I need help finding the value of n​
Degger [83]
8n+3+9n+7=180
17n+10=180
17n=170
Answer
N=10
6 0
3 years ago
Read 2 more answers
Gap sells jeans that cost $21.00 for a selling price of $29.95. The percent of markup based on cost is
9966 [12]
If Gap sells jeans that cost $21.00 for selling price of $29.95. The percent of markup based on cost is approximately 43%. The markup in price is exactly $8.95.
3 0
3 years ago
Read 2 more answers
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