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2 years ago

Convert 1 4/5 into an improper fraction

Mathematics

2 answers:

olchik [2.2K]2 years ago

7 0

9/5 is the answer yea

Wewaii [24]2 years ago

6 0

Answer:

9/5

Step-by-step explanation:

I hope this helps im pretty sure its correct

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The amounts of nicotine in a certain brand of cigarette are normally distributed with a mean of 0.917 g and a standard deviation

Nutka1998 [239]

Answer:

$z = \frac{0.872-0.917}{\frac{0.303}{\sqrt{37}}}= -0.903$

And we can find this probability to find the answer:

$P(z$

And using the normal standar table or excel we got:

$P(z$

Step-by-step explanation:

Let X the random variable that represent the amounts of nocatine of a population, and for this case we know the distribution for X is given by:

$X \sim N(0.917,0.303)$

Where $\mu=0.917$ and $\sigma=0.303$

We have the following info from a sample of n =37:

$\bar X= 0.872$ the sample mean

And we want to find the following probability:

$P(\bar X \leq 0.872)$

And we can use the z score formula given by;

$z=\frac{x-\mu}{\frac{\sigma}{\sqrt{n}}}$

And if we find the z score for the value of 0.872 we got:

$z = \frac{0.872-0.917}{\frac{0.303}{\sqrt{37}}}= -0.903$

And we can find this probability to find the answer:

$P(z$

And using the normal standar table or excel we got:

$P(z$

6 0

3 years ago

Which expression is equivalent to<br> (6x-9x) - (2x - 3)?

NikAS [45]

Answer:

6x^2 -9x -2x-3

6x^2 -11x +3

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

How many cubes of edge 4cm, each can be cut out from cuboid whose length, breadth and height are 20 cm, 18 cm and 16 cm respecti

My name is Ann [436]

Answer:

90 cubes.

Step-by-step explanation:

First we find volume of the cuboid.

Volume = l x b x h = 20 x 18 x 16 = 5760 cm³

Now,

Volume of a single cube = l³ = 4³ = 64

No of cubes that can be cut out from the cuboid is

= Volume of cuboid/ volume of cube

= 5760/ 64

= 90 cubes

3 0

3 years ago

Need help no bots those guys r so annoying

Anastaziya [24]

Answer:

AC = 16

KL = 5.625

Source(s):

Dude trust me

brainliest tho??

7 0

2 years ago

Read 2 more answers

$43.68532 rounded to the nearest dollar is?

Sedaia [141]

Note that when rounding, if the number is:

5 or greater, round up

4 or less, round down

43.68532 rounded to the nearest dollar is 44, as 6 rounds up

$44 is your answer

hope this helps

8 0

3 years ago