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4 years ago

You randomly choose a marble from a bag containing 2 purple, 5 pink, and 2 Blue.

Mathematics

1 answer:

Novosadov [1.4K]4 years ago

6 0

Answer:

4/9 [Less likely]

Step-by-step explanation:

2 purple

5 pink

2 blue

The total is 9.

5/9 is pink out of total (basically, the whole bag of marbles).

This is if you were picking pink.

Now, we subtract.

9 - 5 = 4 --> 4/9

The reason we do this is because we are finding the probability of not picking pink.

The end result is 4/9 because there is still 4 other marbles (other than pink) out of all 9 that we could pick.

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If there are approximately 1.8 million cars in Vancouver and if each car travels an average of 17,500 kilometres in a year, how

Goryan [66]

Rates are used to measure a quantity over another.

The 1.8 million cars use $1.85 \times 10^{10}$ liters each year

Given

$Cars = 1.8\ million$

$d = 17500km$ --- distance

$r = 40miles/gallon$

First, we calculate the number (n) of gallons used by each car

$r = \frac{d}{n}$

Solve for n

$n = \frac{d}{r}$

So, we have:

$n = \frac{17500km}{40miles/gallon}$

$n = \frac{17500km}{40miles}gallon$

Convert miles to kilometers

$n = \frac{17500km}{40km \times 1.60934}gallon$

$n = \frac{17500km}{64.3738km}gallon$

$n = 271.85\ gallon$

The number of gallons (N), used by all the cars is:

$N = n \times cars$

$N = 271.85 \times 1.8\ million$

$N = 489330000$

Convert to liters

$N = 489330000 \times 3.78541L$

$N = 1852314675.3L$

In scientific notation to 2 decimal places, we have:

$N = 1.85 \times 10^{10}L$

Hence, the number of liters used is $1.85 \times 10^{10}$

Read more about distance and rates at:

brainly.com/question/24659604

4 0

3 years ago

Audrey had $20 and brought him for $1.10, a soda for $.99, and a bag of chips for $3.98. how much money does she have left

topjm [15]

The correct answwere is that he has $14.13 left

3 0

3 years ago

Every day, the Sandoval Family Restaurant serves 5/6 of a bottle of soda to their customers. How many days will 7 1/2 bottles of

bogdanovich [222]

Answer:

9 days

Step-by-step explanation:

1 day: 5/6 2 days: 10/6 3 days: 15/6 4 days: 20/6 5 days: 25/6

6 days: 30/6 7 days: 35/6 8 days: 40/6 9 days: 45/6

If you divide 45 and 6 by 3 you get 15/2. If you put 15/2 into a mixed number you would get 7 1/2. So 9 days would be your answer.

3 0

2 years ago

Read 2 more answers

4 groups of 5 hundredths

natka813 [3]

twenty hundretdths is what I assume the answer is

6 0

3 years ago

Last year Tamera made $42,786 how much did she make each month

LUCKY_DIMON [66]

42,786 divided by 12 = 3,565.5

5 0

4 years ago