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geniusboy [140]
2 years ago
11

frac{1}{2} \div \frac{1}{3} " alt=" \frac{1}{2} \div \frac{1}{3} " align="absmiddle" class="latex-formula">
what is the answer and how do we find it​
Mathematics
2 answers:
saul85 [17]2 years ago
8 0
1.5 hopes this helps
Leya [2.2K]2 years ago
6 0

Answer:

1 1/3

Step-by-step explanation:

The first thing that we need to know is how to divide fractions. In this case, we would use KCF(Keep Change Flip) Meaning that we KEEP 1/2 as is. CHANGE the division sign to a multiplication sign. FLIP 1/3 to 3/1.

The next step would be to solve. To do that we would look at our expression. 1                    3                       3

_         *         _           =          _

2                    1                       2

3/2 is an improper fraction. We need to convert it to a mixed number. To do that we would divide 2 by three. We get 1 remainder 1. So to put that in fraction form we would keep the whole number (1)  and put the other 1 over three.

Thus your answer being: 1 1/3

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An aquarium tank can hold 5400 liters of water. There are two pipes that can be used to fill the tank. The first pipe alone can
Nady [450]

Answer:

36 minutes when both pipes are working together

Step-by-step explanation:

capacity of tank = 5400 liters

Pipe A flow per mint. = 5400/90 = 60 liters per mint.

Pipe B flow per mint. = 5400/60 = 90 liters per mint.

Flow of A + B per mint. 60 + 90 = 150 liter per mint.

Therefore, 5400 / 150 = 36 minutes to fill the tank

8 0
2 years ago
The life expectancy in the US is 75 with a standard deviation of 7 years. A random sample of 49 individuals is selected. What is
victus00 [196]

Answer:

0.02275

Step-by-step explanation:

We use this z score formula to solve for this question

z-score is is z = (x-μ)/σ/√n

where x is the raw score

μ is the population mean

σ is the population standard deviation

From the above question,

x = 77

μ = 75

σ = 7

number of samples = 49

Hence, the z score = 77 - 75/ (7/√49)

= 2/(7/7)

= 2/1

= 2

Hence, the z score = 2

Using the z table to find probability

P(x<77) = 0.97725

P(x>77) = 1 - P(x<77)

= 1 - 0.97725

= 0.02275

Therefore, the probability that the same mean will be larger than 77 years

is 0.02275

7 0
2 years ago
A triangular pyramid has these dimensions.
marishachu [46]

Answer: 42 cm3

Step-by-step explanation:

7 0
3 years ago
Can someone please tell me if this is correct if it’s not can u tell me what’s the correct answer
bearhunter [10]

Answer:

2. option D and 3. option A

Step-by-step explanation:

2. 7 + y = 30

<u>7 - 7</u> + y = <u>30 - 7</u>

y = 23

3. w - 32 = 55

w <u>-</u><u> </u><u>32</u><u> </u><u>+</u><u> </u><u>32</u> = <u>55</u><u> </u><u>-</u><u> </u><u>32</u>

w = 87

Basically the answers you choose are right. Hope this helps, thank you :) !!

8 0
2 years ago
What is the unit cost per bottle if a pack of 4 bottles of juice sells for $3?
iragen [17]
A is the answer for your question
5 0
2 years ago
Read 2 more answers
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