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lapo4ka [179]
3 years ago
5

There are 2 brown marbles, 3 black marbles, and 4 gold marbles in a bag. What is the probability of drawing 2 brown marbles if t

he first is replaced after it is drawn?
Mathematics
1 answer:
prohojiy [21]3 years ago
5 0

Answer:

.049 (2sf)

Step-by-step explanation:

\frac{2}{9}  \times  \frac{2}{9}  = 0.4938

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Find x on this special right triangle, 45 is not an option!!!!
zloy xaker [14]

let the line between 2 tria be y

sin 60/8√2 = sin 90/y

y=13.06

sin 45/13.06 = sin 90/x

x=18.46

7 0
3 years ago
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A town has a population of 19000 and grows at 4.5% every year. To the nearest tenth of a year, how long will it be until the pop
steposvetlana [31]

Answer:

If the population grows by 4% each year then

the population in any given year is 104% of

the previous year or 1.04 times as much

P(t) = P0(1.04)t

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P0 = initial population = 11,000

t = number of years = 15

P(15) = 11,000(1.04)15

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Step-by-step explanation:

3 0
3 years ago
If three pounds of coffee costs $22.56, what is the cost of 1
NeX [460]

Answer:

$7.52 = 7 dollars and 52 cents.

Step-by-step explanation:

Given that three pounds of coffee = $22.56

1 pound of coffee = $22.56/3

Thus, we would have:

\frac{22.56}{3} = 7.52.

A pound of coffee = $7.52

$7.52 = 7 dollars and 52 cents.

8 0
3 years ago
What is the product 3x^5(2x^2 +4x+1)
juin [17]

Answer:

6x^7 + 12x^6 + 3x^5

Step-by-step explanation:

Simplify the expression.

5 0
3 years ago
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Ivanna has to carry 308 apples from a farm to the market. How many baskets will she need, given that each basket
Arisa [49]

Answer: I would say 9 baskets

Step-by-step explanation: if you divide 308 by 36, it would be 8.55. Logically speaking, you can’t have 8.5 baskets. So 9 it is.

7 0
3 years ago
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