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RoseWind [281]
3 years ago
15

Q1. 12.5g of medicine cost 1,075 naira. What is the cost of 1g of medicine. Q2. What is the total pay for someone who works 42 h

ours and gets 645 naira per hour
Mathematics
1 answer:
Natalija [7]3 years ago
3 0

Step-by-step explanation:

Q1. 1,075÷12.5 =8

So Therefore 1g of medicine cost 8 naira

Q2.645÷42=15.3

so therefore 1 hour cost 15.3 naira

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Answer:

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Step-by-step explanation:

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5 0
3 years ago
The area of fort worth is 139.1 square miles greater than the area of denver. the area of denver is 67.7 square miles greater th
cluponka [151]
292.5-139.1=153.4
153.4-67.7=85.7
Area of honolulu is 85.7 square miles.
4 0
3 years ago
When playing the roulette at a casino, you have exactly 1/35 chance of winning in each round if you play a single number. Your f
Vikentia [17]

Answer:

0.2275 = 22.75% probability that you actually won that round

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

P(B|A) = \frac{P(A \cap B)}{P(A)}

In which

P(B|A) is the probability of event B happening, given that A happened.

P(A \cap B) is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Fireworks going off

Event B: You won

Probability of fireworks going off.

100% of 1/35 = 0.0286(when you win)

10% of 34/35 = 0.9714(you lost). So

P(A) = 0.0286 + 0.1*0.9714 = 0.12574

Probability of you winning and fireworks going off:

100% of 1/35, so P(A \cap B) = 0.0286

If you failed to see the outcome of a round, but you see the fireworks going off, then what is the probability that you actually won that round?

P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.0286}{0.12574} = 0.2275

0.2275 = 22.75% probability that you actually won that round

8 0
3 years ago
Find the area: (I will give brainliest) +50 points.
scZoUnD [109]

Answer:

A_{total} = 16\ cm^2

Step-by-step explanation:

<u>Step 1:  Determine the area of the top rectangle</u>

We can tell that the total shape seems like two rectangles glued together.  We can separate the top rectangle and determine the area of it and then determine the area of the bottom rectangle and combine them.  Lets first solve the left rectangle.

A=l*w

A_{top\ rectangle}=6\ cm * 2\ cm

A_{top\ rectangle}=12\ cm^2

<u>Step 2:  Determine the area of the bottom rectangle</u>

A=l*w

A_{bottom\ rectangle}=2\ cm * 2\ cm

A_{bottom\ rectangle}=4\ cm^2

<u>Step 3:  Determine the total area</u>

A_{total}=A_{top\ rectangle}+A_{bottom\ rectangle}

A_{total}=12\ cm^2+4\ cm^2

A_{total} = 16\ cm^2

Answer:  A_{total} = 16\ cm^2

8 0
2 years ago
Read 2 more answers
Suppose a 5-digit number is formed using the digits from 1 to 9 (without replacement). What is the probability that it will be a
zhuklara [117]

Answer:

  1. First take 5 empty. Digits.
  2. The no of digits are 9 (1-9).
  3. The last no must be even so . The total no of even no’s . Are 4 (2,4,6,8)
  4. The probability of last digit is 4
  5. There are remaing 8 digits so. Place them where. U required. The probability are. 8, 7,6,5(no reputations)
  6. The final answer is 4*8*7*6*5=6720 ways

6 0
2 years ago
Read 2 more answers
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