2 years ago

Help so please answer fast............

Mathematics

1 answer:

Naddik [55]2 years ago

3 0

Cos x = 8/13 = 52

So your answer is 52.

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Bobby is dividing 50 feet below sea level at the beach. His sister is at the swimming pool deck, which is 15 feet above sea leve

Anettt [7]

Answer:

Step-by-step explanation:

Bobby is at negative 50 and his sister is above 15 feet (positive) so it is 35

4 0

2 years ago

If ABCD is dilated by a factor of 3, the

vaieri [72.5K]

Answer:

i think it would be (6, -6)

Step-by-step explanation:

if the letter d is already at (2, -2) you have to multiply those numbers by 3. that gives the coordinates (6, -6)

6 0

2 years ago

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liraira [26]

To simplify this expression would be 4x-3

8 0

2 years ago

Is the square root of eight a rational or irrational number

shutvik [7]

$\bf \sqrt{8}\implies \sqrt{2\cdot 2\cdot 2}\implies \sqrt{2^2\cdot 2}\implies 2\sqrt{2}$

it just so happen that √2 is an irrational number, so any product with it as a factor, will yield an irrational number as well.

factoid: Ancient Greeks were scared of irrational numbers, and they steered clear from √2.

8 0

2 years ago

Statistics show on average an adult person receives 425 pieces of mail each year with a standard deviation of 50. What are the m

Kisachek [45]

Answer:

The answer is 60.11

Step-by-step explanation:

An adult person receives 425 pieces of mail each year with a standard deviation of 50.

Now, we have the following details :

Mean of sample = 425

sigma = 50

Standard error = $\frac{425}{\sqrt{50} }$

= $\frac{425}{7.07}$ = 60.11

4 0

2 years ago