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LenaWriter [7]
4 years ago
9

A bag contains 6 white marbles and 4 black marbles. A marble is drawn from the bag and then a second marble is drawn without rep

lacing the first one.
What is the probability of drawing a white marble on the first draw, followed by a black marble on the second?
\frac{?}{?}
Mathematics
1 answer:
Sunny_sXe [5.5K]4 years ago
7 0

Answer:

4/15

Step-by-step explanation:

P(drawing white marble and black marble)

= 6/10 × 4/9 <em>[9 as there is no replacement]</em>

= <u>4</u><u>/</u><u>1</u><u>5</u>

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zlopas [31]
C.12 4/8 because 7+4=11 and 7/8+5/8= 1 4/8
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2 years ago
Read 2 more answers
14. The property tax on a medical center is 1 mill or no of a cent ($0.001)
mezya [45]

Answer:

a) $235.65

b) $57,499.58

Step-by-step explanation:

Tax rate is 1 mill or $0.001 on every $1 of appraised value. This means the tax rate is:

Tax rate = $0.001 per $1 = \frac{0.001}{1} \times 100\%=0.1\%

Part a)

Appraised value of medical center = $ 235,654

Tax rate = 0.1%

Tax Amount due = 0.1% of $ 235,65 = \frac{0.1}{100} \times 235,654= \$ 235.654

Thus, the tax due for 1 mill is $235.65 rounded to nearest cent.

Part b)

New Tax rate = 244 mills = \$ \frac{244}{1000} =$0.244

Tax rate is 1 mill or $0.001 on every $1 of appraised value. This means the tax rate is:

Tax rate = $0.244 per $1 = \frac{0.244}{1} \times 100\%=24.4\%

Tax Amount due = 24.4% of $ 235,65 = \frac{24.4}{100} \times 235,654= \$ 57499.576

Thus, the tax due for 244 mills is $57,499.58 rounded to nearest cent.

5 0
3 years ago
Choose the symbol that compares the fractions.<br> 1/10 7/8
MatroZZZ [7]
1/10 < 7/8

Hope this helps :)
3 0
3 years ago
Porter is visiting India and would like to purchase some local spices. He finds some spices that cost 320.38 rupees. If the curr
ZanzabumX [31]

If Porter is visiting India and would like to purchase some local spices. He finds some spices that cost the amount of 320.38 rupees. The amount that  spices cost in U.S. dollar is : $4.35.

<h3>Amount in U. S dollar </h3>

Given data :

Cost of spices =  320.38 rupees

Current exchange rate =  1 dollar : 73.6500 rupees

Now let determine or find the amount in U. S dollar using this formula

Amount in U. S dollar = Cost of spices / Current exchange rate

Let plug in the formula

Amount in U. S dollar = 320.38  / 73.6500

Amount in U. S dollar = $4.35

Therefore the amount is $4.35.

Learn more about Amount in U. S dollar here: brainly.com/question/28761964

#SPJ1

The complete question is:

Porter is visiting India and would like to purchase some local spices. He finds some spices that cost 320.38 rupees. If the current exchange is 1 dollar : 73.65.00 rupees . How much do the spices cost in U.S. dollars?

$0.04

$4.35

$22.99

$23,595.99

5 0
2 years ago
Naomi and Sofia go to the movie theater and purchase refreshments for their friends. Naomi spends a total of $111.25 on 9 drinks
NeTakaya

Answer:

111.25=9x+8y

33.25=3x+2y

Cost of 1 popcorn bag  = $5.75


Step-by-step explanation:

We are given that Naomi spends a total of $111.25 on 9 drinks and 8 bags of popcorn and Sofia spends a total of $33.25 on 3 drinks and 2 bags of popcorn.

We need to find system of equations that can be used to find the price of one drink and the price of one bag of popcorn.

Let cost of 1 drink = $x

So, cost of 9 drinks = $9x

So,cost of 3 drinks = $3x

Now, Let cost of 1 popcorn bag = $y

So,Cost of 8 popcorn bags = $8y

So,Cost of 2 popcorn bags = $2y

Since Naomi spends a total of $111.25 on 9 drinks and 8 bags of popcorn.

So, equation will be : 111.25=9x+8y  --(A)

Since, Sofia spends a total of $33.25 on 3 drinks and 2 bags of popcorn.

Thus, equation will be :  33.25=3x+2y--(B)

We will solve A and B by using substitution method

Finding value of x from equation B :

x = (2y-33.25)/3

Putting this value in Equation (A)

⇒111.25=9{(2y-33.25)/3}+8y

⇒111.25=99.75-6y+8y

⇒111.25=99.75+2y

⇒y = 5.75

Hence cost of 1 popcorn bag =y = $5.75

Now put value of y in equation A to get value of x

⇒111.25=9 x+8(5.75)

⇒111.25-46 = 9x

⇒65.25 = 9x

⇒65.25/9 = x

⇒$7.25 = x

Hence, The cost of 1 drink = $x = $7.25



6 0
3 years ago
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