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Sedbober [7]
3 years ago
9

Help for brianly plzzzzzzzz

Mathematics
2 answers:
lyudmila [28]3 years ago
6 0
find the area of the base times the height
seropon [69]3 years ago
4 0

Answer:

find the are of the base times the height

Step-by-step explanation:

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Plz help will mark brainliest
Talja [164]

Answer:

50.4

Step-by-step explanation:

8 0
3 years ago
How do you solve this pls help
Ne4ueva [31]
The first one is right because the mean is the average so it has to be in between. Usually. Hoped this helped!
3 0
3 years ago
I=$70, P=$700, t=4 years
Marta_Voda [28]

Answer:

what is the question?

Step-by-step explanation:

8 0
3 years ago
A set of data has a normal distribution with a mean of 5.1 and a standard deviation of 0.9. Find the percent of data between 4.2
Yuliya22 [10]

A set of data has a normal distribution with a mean of 5.1 and a standard deviation of 0.9. Find the percent of data between 4.2 and 5.1.

Answer: The correct option is B) about 34%

Proof:

We have to find P(4.2

To find P(4.2, we need to use z score formula:

When x = 4.2, we have:

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

          =\frac{4.2-5.1}{0.9}=\frac{-0.9}{0.9}=-1

When x = 5.1, we have:

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

          =\frac{5.1-5.1}{0.9}=0

Therefore, we have to find P(-1

Using the standard normal table, we have:

P(-1= P(z

                               =0.50-0.1587

                               =0.3413 or 34.13%

                               = 34% approximately

Therefore, the percent of data between 4.2 and 5.1 is about 34%

7 0
4 years ago
Find the radius of a circle is the circumference is 50.24cm. (Hint: Use C=2 x pi x radius to work backwards. Use the following s
g100num [7]

Answer:

r = 8 cm

Step-by-step explanation:

Circumference of circle = 50.24 cm

                         2πr         = 50.24

                    2 * 3.14 * r   = 50.24

                                   r = \frac{50.24}{2*3.14}=\frac{5024}{2*314}\\\\\\\\

                                  r = 8 cm

8 0
4 years ago
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