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3 years ago

Work out the area of a triangle of base 7.5m And height 6cm! Please and thanks beforehand!❤️

1 answer:

8 0

You're welcome and don't mention it, beforehand.

There's so little to this problem, and it will do you so much
more good to work it out yourself, that I'm just going to
point you in the right direction and give you a little push:

The area of a triangle is half of the product of its base and height.

   A = (1/2) (base) (height)

I know you know what the base and height are, because
you just told them to US.

   Base = 7.5m = 750 cm
   Height = 6 cm.

Write those numbers in the formula in place of the words:

<span>      A = (1/2) (base) (height)</span>

      A = (1/2) (750 cm) (6 cm) .

Do that multiplication, and you've got your area.

Don't forget to keep the units when you multiply,
so that the answer is in units of cm² .

The answer may be a big number, and you may want to
change it to meter² instead of cm², to make it a smaller
number.

If you do that, remember that

   1 meter = 100 cm

1 meter² = (1 meter) · (1 meter)

   = (100 cm) · (100 cm)

   =    10,000 cm²

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2 years ago

Read 2 more answers

A baseball player comes up to bat 3 times during a league game. He either gets a hit or gets an out. How many different combinat

Stella [2.4K]

Answer:

8 different combinations are possible.

Step-by-step explanation:

Here, we have 2 different combinations for each time.

And the player comes out to bat 3 times.

So, total number of combinations are:

$2^{3}$ i.e. a total of 8 number of times.

Let a hit is termed as 'H' and an out is termed as 'O'.

Total combinations are:

{HHH, HHO, HOH, HOO, OHH, OHO, OOH, OOO}

Kindly have a look at the tree diagram attached in the answer area.

In starting, there are 2 combinations possible, i.e. 'O' and 'H'.

After 'O' , 2 possible i.e. 'O' and 'H'.

After 'H' , 2 possible i.e. 'O' and 'H'.

and so on....

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3 years ago

Grading managers. Some companies "grade on a bell curve" to compare the performance of their managers and professional workers.

Monica [59]

Answer:

$\mu = 250, \sigma = 175.781$

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".

Solution to the problem

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

$X \sim N(\mu,\sigma)$