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Harman [31]
3 years ago
6

What is the fraction for 45 divided by 20 please show work

Mathematics
1 answer:
lianna [129]3 years ago
4 0

Answer:

9/4

Step-by-step explanation:

The divide symbol is also the line that separates the numerator and the denominator, so 45÷20 can also be written as 45/20.

We can see that both 45 and 20 are divisible by 5, so we can simplify the fraction down to 9x5/4x5, and then we cancel out the 5s and are left with 9/4

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Darina [25.2K]

Solution: We are given:

\mu=0.33,  \sigma =0.7

Let x be the weight (oz) of laptop

We have to find P(x>32)

To find the this probability, we need to find the z score value.

The z score is given below:

z=\frac{x-\mu}{\sigma}

       =\frac{32-33}{0.7}

       =-1.43

Now, we have to find P(z>-1.43)

Using the standard normal table, we have:

P(z>-1.43)=0.9236

0.9236 or 92.36% of laptops are overweight

       


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2 years ago
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Answer:

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Step-by-step explanation:

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2 years ago
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Answer:

its

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Step-by-step explanation:

7 0
3 years ago
An expression to convert 50 miles per hours to miles per minute is shown
MariettaO [177]
Hello

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What is the measure of an anglethat is supplementary to an angle of 37°? A. 127° B. 53° C. 143° D. 323°​
KengaRu [80]

<u>Answer:</u>

143°

option c is correct!

<u>Explanation:</u>

Given:

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Let another angle be x°

= > 37° + x° = 180

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Therefore another angle is 143°.

8 0
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