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prisoha [69]
3 years ago
15

There is a bag filled with 4 blue and 5 red marbles. A marble is taken at random from the bag, the colour is noted and then it i

s replaced. Another marble is taken at random. What is the probability of getting 2 blues?
Mathematics
1 answer:
Orlov [11]3 years ago
7 0

Answer:

Its a good probability

Step-by-step explanation:

You might be interested in
Tony is saving money to purchase a new TV that costs $276.99. He has $135 in his savings account already. If he earns $8.50 per
Natasha2012 [34]

Answer:

I believe that Tony will have to work 16 or 17 hours to have enough money to buy the TV

Step-by-step explanation:

$276.99 - 135 = $141.99

$8.50 x 8 = $68

$8.50 x 16 = $136

$8.50 x 17 = $144.50

$8.50 x 33 = $280.50

$136 < $141.99 $144.50 > $141.99

$8.50 x 16 or $8.50 x 17

Check to see if the numbers are correct.

If they are you will have to make a choice.

I hope this helped. ☺

6 0
3 years ago
2. Three times a number is less than two times the same number. Find the number.
Talja [164]

Answer:

Step-by-step explanation:

3x2=6 x2 =12

8 0
1 year ago
Sonia had 2 1/3 of candy bar she promised to give 1/2 of candy to her brother so how much is left after giving to her brother
Advocard [28]

1.83333333333 will be left

3 0
3 years ago
Austin needed to get his computer fixed. He took it to the repair store. The technician at the store worked on the computer for
klasskru [66]

The cost of labour per hour is $90.56

The total amount paid by Austin is the sum of the total cost of labour and the cost of the parts

Total amount paid = total cost of labour + cost of parts

$553.50 = total cost of labour + $126

total cost of labour = $533.50 - $126

= $407.50

The total cost of labour = cost of labour per hour x total time worked

$407.50 = xx × 4.5

xx = $407.50 / 4.5

xx = $90.56

A similar question was solved here: brainly.com/question/21400699?referrer=searchResults

7 0
3 years ago
In triangle A B D , the measure of angle A is 10 degree less than the measure of angle B . The measure of angle D is 20 degree m
elixir [45]

Answer:

<u><em>Measure of angle A is 27 7/9 degrees.</em></u>

Step-by-step explanation:

Lets call measure of angle A is <em><u>X-10</u></em>

Lets call measure of angle B is X

Lets call measure of angle D is 2.5X+20

We know that the sum of triangles add up to 180 degrees

X+X-10+2.5X+20=180

X=37 7/9

So measure of angle A is 27 7/9 degrees.

I hope this is right. :)

8 0
3 years ago
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